Best 3d Printing Filaments for ASA: 15 Spec-Based Picks
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Selecting the right 3d printing filament for ASA protects your outdoor components from sunlight exposure and elevated temperatures. We compared 15 options strictly against the specifications published on their listings. Polymaker ASA 1.75mm Filament (1kg) takes the top spot because its 100°C heat resistance and UV stability supply the toughness required for exterior functional builds.
This guide clarifies key parameters such as spool weight, temperature tolerances, and dimensional precision. It helps you choose the optimal filament for your printer hardware and specific application.
Quick picks
The best fit for you
- You need standard weather-resistant filament for outdoor builds Polymaker ASA 1.75mm Filament (1kg) It provides 100°C heat tolerance and UV stability in a 1kg spool for reliable outdoor performance.
- You need maximum rigidity and high heat resistance Polymaker Fiberon Carbon Fiber ASA 0.5kg Its carbon fiber reinforcement and 103°C thermal resistance deliver structural rigidity in a compact 0.5kg format.
- You want to print outdoor parts at rapid speeds Creality Hyper ASA 1.75mm Filament It supports high-speed printing up to 350mm/s while maintaining heat resistance up to 100°C.
- You need precise red functional parts for exterior use iSANMATE Red ASA Filament 1.75mm 1kg It features a red finish paired with tight +/- 0.02mm dimensional accuracy for outdoor components.
Our 15 picks
Polymaker ASA 1.75mm Filament (1kg)
Best for: weather-resistant outdoor functional parts
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensions
- 7.87 × 7.87 × 2.36 inches
- Weight
- 2.2 pounds
This 1kg spool gives you 1.75mm weather-resistant ASA filament rated to withstand heat up to 100°C. You print it using a 250°C nozzle and a 90°C heated bed at 50mm/s speeds. It matches ABS mechanical strength and impact resistance while resisting ultraviolet degradation outdoors. You will find it suits functional brackets, housings, and external vehicle parts that require structural durability under direct sunlight exposure.
Pros
- Withstands heat up to 100°C (212°F)
- Ultraviolet and weather-resistant formulation
- High impact resistance and tensile toughness
- Standard 250°C nozzle and 90°C bed settings
Cons
- Requires an enclosure to prevent warping on large prints
- Base print speed rated at 50mm/s
- Requires 90°C heated bed capability
Good fit if
- You need UV and weather resistance for outdoor mechanical parts.
- You have an enclosed printer capable of reaching 250°C hotend and 90°C bed temperatures.
- You require components that resist heat up to 100°C.
Skip if
- You use an open-frame printer for large prints prone to warping.
- You require high-speed profiles beyond the standard 50mm/s rating.
Verdict: Polymaker ASA 1.75mm Filament (1kg) provides reliable UV stability, 100°C heat tolerance, and ABS-equivalent toughness for functional outdoor builds. It serves as a dependable standard when your printer maintains a 250°C hotend and 90°C bed inside an enclosed chamber.
Polymaker Fiberon Carbon Fiber ASA 0.5kg
Best for: rigid outdoor fixtures needing high heat tolerance
- Compatible Material
- ASA (what this guide is about)
- Material Type
- Carbon Fiber ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 0.5kg
- Surface Finish
- Matte
- Weight
- 1.1 pounds
This 0.5kg spool blends ASA with 8 wt% carbon fiber for increased rigidity, dimensional stability, and UV resistance. It requires a wear-resistant nozzle running at 260–280°C alongside a heated bed at 90–100°C. With a heat deflection temperature of 103°C, it suits your outdoor functional parts, brackets, and fixtures where standard ASA lacks stiffness, provided your hardware supports the higher thermal settings and abrasive composite material.
Pros
- 8 wt% carbon fiber reinforcement provides a 3.61 GPa Young’s modulus
- Heat deflection temperature reaches 103°C at 0.45 MPa
- High UV and weather resistance for functional outdoor parts
- X-Y tensile strength rated at 43.5 MPa with 69.1 MPa bending strength
Cons
- Supplied in a smaller 0.5kg spool size
- Requires a wear-resistant nozzle due to abrasive carbon fiber
- Unprinted filament snaps if bent below 60 mm diameter
Good fit if
- You need rigid, UV-resistant parts for outdoor brackets or housings.
- You possess a printer with a hardened nozzle capable of 280°C.
- You prefer a smaller 0.5kg spool for targeted engineering projects.
Skip if
- You lack a wear-resistant nozzle to handle abrasive carbon fiber strands.
- You require a full 1kg spool for large, continuous prints.
- You run an open printer without a bed capable of reaching 90–100°C.
Verdict: Polymaker Fiberon Carbon Fiber ASA 0.5kg delivers carbon-reinforced rigidity and 103°C thermal resistance in a compact spool. It functions as an ideal material for outdoor structural components if your printer handles abrasive filaments.
iSANMATE Red ASA Filament 1.75mm 1kg
Best for: outdoor functional parts in red
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Max Print Speed
- 100mm/s
- Dimensional Accuracy
- +/- 0.02mm
This 1kg spool of red 1.75mm ASA filament from iSANMATE is designed for outdoor functional parts requiring weather and UV resistance. It features a dimensional accuracy of plus or minus 0.02mm and prints at nozzle temperatures between 240 and 270 degrees Celsius with a heated bed between 80 and 100 degrees Celsius. You will find it fits your projects if you need outdoor parts with stable thermal performance.
Pros
- Dimensional accuracy of +/- 0.02mm
- Nozzle temperature range of 240°C to 270°C
- UV and weather resistant formulation
- Vacuum-sealed packaging with desiccant
Cons
- Printing speed capped at 30 to 100mm/s
- Requires heated bed temperature of 80°C to 100°C
- Manufacturer recommends an enclosed environment and bed glue
Good fit if
- You need red 1.75mm filament for outdoor functional parts.
- You have a 3D printer that reaches nozzle temperatures up to 270°C.
- You can maintain heated bed temperatures between 80°C and 100°C.
Skip if
- You print on an open machine without an enclosure.
- You need print speeds exceeding 100mm/s.
- You lack a heated print bed capable of reaching 80°C.
Verdict: iSANMATE Red ASA Filament 1.75mm 1kg provides weather resistance and tight dimensional accuracy for outdoor functional components. You will need a heated bed capable of reaching at least 80°C and an enclosure for reliable results.
ELEGOO 1.75mm Warm White ASA Filament
Best for: outdoor functional prototypes and automotive components
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1KG
- Printing Technology
- FDM
- Application
- Functional Parts
ELEGOO ASA 1.75mm filament provides weather and impact resistance for your functional FDM prints. It features a heat deflection temperature up to 99 °C (210 °F) and shields parts against sunlight and water exposure. The material arrives dried and vacuum-sealed with desiccant on a 1kg spool. This spool suits you if you produce outdoor drone frames, automotive components, or mechanical prototypes that require dimensional stability inside an enclosed 3D printer.
Pros
- Heat deflection temperature up to 99 °C (210 °F)
- Resists UV exposure, rain, and weathering without yellowing
- Pre-dried and vacuum-sealed with desiccant
- Formulated for impact resistance and high mechanical toughness
Cons
- Requires an enclosed 3D printer for optimal warping control
- No 2.85mm diameter option listed
Good fit if
- You print outdoor components requiring UV and water resistance.
- You operate an enclosed FDM 3D printer.
- You need heat resistance up to 99 °C for functional parts.
Skip if
- You print on an open-frame printer without an enclosure.
- You use a 3D printer that requires 2.85mm filament.
Verdict: ELEGOO 1.75mm Weather-Resistant ASA Filament delivers solid thermal resistance up to 99 °C and UV protection for outdoor functional prototypes. Its enclosed-printer requirement ensures stable layer adhesion and minimal warping for your technical components.
Creality Hyper ASA 1.75mm Filament
Best for: high-speed outdoor and mechanical 3D prints
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1KG
- Max Print Speed
- 350mm/s
- Dimensions
- 8.27 × 8.27 × 2.76 inches
Creality Hyper ASA 1.75mm Filament is an outdoor-grade material spool designed for high-speed 3D printing. It supports print speeds up to 350mm/s while maintaining dimensional stability in operating temperatures up to 100°C. Engineered with UV, aging, and weather resistance, it serves you well when fabricating durable mechanical parts or outdoor prototypes on compatible high-speed hardware like the Creality K1 series or Ender-5 S1.
Pros
- Rated for high-speed printing up to 350mm/s
- Maintains dimensional integrity at temperatures up to 100°C
- Resistant to UV rays, aging, and outdoor corrosion
- Compatible with Creality K1, K1 Max, K1C, and Ender-5 S1
Cons
- No specific nozzle or bed temperature ranges listed in specs
- Only available in 1kg spool capacity
Good fit if
- You print functional outdoor prototypes at high speeds up to 350mm/s.
- You require component stability in thermal conditions up to 100°C.
- You run high-speed systems such as the Creality K1 series or Ender-5 S1.
Skip if
- You need materials rated for thermal environments exceeding 100°C.
- You prefer buying filament in spool sizes larger than 1kg.
Verdict: Creality Hyper ASA 1.75mm Filament delivers reliable high-speed printing up to 350mm/s alongside 100°C thermal endurance. It provides the weather resistance and toughness you need for outdoor mechanical components.
OVERTURE 1kg White ASA Filament 1.75mm
Best for: accurate white outdoor functional prints
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensional Accuracy
- + / - 0.02 mm
- Color
- White
OVERTURE 1kg White ASA Filament 1.75mm is a weather-resistant 3D printing material engineered for outdoor applications. It features a standard 1.75 mm diameter held to +/- 0.02 mm tolerance, dried for 24 hours before packaging in resealable foil. This ASA provides UV and heat stability for functional prints. It suits you if you need a reliable white spool ready for outdoor use without immediate pre-drying.
Pros
- Strict +/- 0.02 mm diameter tolerance
- Dried for 24 hours prior to packaging
- Packaged in resealable foil for moisture defense
- Formulated for UV, weather, and heat resistance
Cons
- Limited to 1 kg spool capacity
- No 2.85 mm diameter variant offered
- Unopened shelf life listed at 1 year
Good fit if
- You need white ASA with +/- 0.02 mm dimensional accuracy.
- You require material pre-dried and vacuum-sealed in resealable foil.
- You build functional parts needing UV and weather protection.
Skip if
- You need high-capacity spools larger than 1 kg.
- You use a 3D printer requiring 2.85 mm filament.
Verdict: OVERTURE 1kg White ASA Filament 1.75mm offers strict +/- 0.02 mm tolerance alongside UV and weather resistance. It serves well for dimensionally accurate white components intended for outdoor exposure.
Creality 1.75mm Black ASA Filament
Best for: high-speed outdoor functional part printing
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Max Print Speed
- 350mm/s
- Dimensional Accuracy
- +/- 0.03mm
Creality 1.75mm Black ASA Filament provides a 1kg spool designed for high-speed printing up to 350mm/s. It features a dimensional accuracy of +/- 0.03mm and maintains heat resistance up to 100°C. You get UV and weather resistance for outdoor functional parts. This material suits you if you need rapid production of durable components on compatible high-speed hardware.
Pros
- Supports print speeds up to 350mm/s
- Maintains form at temperatures up to 100°C
- +/- 0.03mm dimensional accuracy
- UV and weather resistant for outdoor parts
Cons
- +/- 0.03mm tolerance is wider than +/- 0.02mm options
- No recommended nozzle or bed temperature settings provided in specifications
Good fit if
- You need to print weather-resistant functional parts at speeds up to 350mm/s.
- You require thermal resistance up to 100°C.
- You run a compatible 1.75mm printer such as the K1, K1 Max, or Ender-5 S1.
Skip if
- You require filament with a tighter +/- 0.02mm tolerance.
- You print using a 2.85mm diameter extruder setup.
Verdict: Creality 1.75mm Black ASA Filament pairs high-speed capability up to 350mm/s with 100°C heat resistance for durable outdoor builds. Its +/- 0.03mm dimensional accuracy provides reliable feeding through standard 1.75mm printers.
SUNLU 1kg 1.75mm Weather-Resistant ASA Filament
Best for: AMS-compatible outdoor functional printing
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Max Print Speed
- 100mm/s
- Dimensional Accuracy
- +/- 0.02mm
View on Amazon: SUNLU 1kg 1.75mm Weather-Resistant ASA Filament
SUNLU 1kg 1.75mm Weather-Resistant ASA Filament is an FDM printing material engineered for outdoor applications requiring UV, rain, and heat resistance. It holds a dimensional accuracy tolerance of +/- 0.02mm and runs at nozzle temperatures between 230°C and 260°C on an 80°C to 120°C heated bed. The spool includes drying holes and sizing suited for AMS and AMS LITE systems, making it a dependable pick if you print functional exterior assemblies.
Pros
- Dimensional accuracy specified within +/- 0.02mm
- High-temperature spool sized to fit AMS and AMS LITE setups
- Spool features built-in drying holes along with weight and temperature gauges
- Airtight vacuum packaging prevents moisture absorption before use
Cons
- Requires a heated bed capable of reaching 80°C to 120°C
- Manufacturer recommended speed caps between 50mm/s and 100mm/s
Good fit if
- You use an AMS or AMS LITE multi-material system
- You build outdoor mechanical parts exposed to rain, heat, and UV light
- You possess a printer bed that operates up to 120°C
Skip if
- You require printing speeds higher than 100mm/s
- You lack a heated print bed capable of reaching at least 80°C
Verdict: SUNLU 1kg 1.75mm Weather-Resistant ASA Filament delivers tight diameter consistency and direct AMS compatibility for functional outdoor components. It runs cleanly within standard 230°C to 260°C extrusion setups to ensure strong layer bonding.
YUANEANG 1.75mm Black ASA Filament
Best for: outdoor enclosures and heat-exposed functional components
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensional Accuracy
- ±0.02mm
- Weight
- 2.2 pounds
This is a 1kg spool of 1.75mm black ASA filament designed for outdoor parts and enclosures. It provides a tight dimensional accuracy of ±0.02mm and requires extrusion temperatures between 240°C and 260°C with an 80°C to 100°C heated bed. You get weather and UV resistance for functional prints if your FDM printer supports higher thermal ranges.
Pros
- ±0.02mm dimensional tolerance ensures consistent extrusion
- UV and weather resistance prevents outdoor fading
- Higher heat resistance than standard PLA and PETG
- Engineered for reduced warping and strong layer adhesion
Cons
- Requires high nozzle temperatures between 240°C and 260°C
- Manufacturer recommends an enclosure for optimal printing results
Good fit if
- You print outdoor components, enclosures, or functional fixtures.
- You run an FDM printer capable of 100°C bed temperatures.
Skip if
- You lack a heated print bed reaching at least 80°C.
- You print exclusively on open-frame machines in drafty spaces.
Verdict: YUANEANG 1.75mm Black ASA Filament delivers tight ±0.02mm tolerances and weather resistance for outdoor utility parts. It serves you well if your hardware meets the required 240–260°C print temperatures.
IEMAI 1.75mm Carbon Fiber ASA Filament
Best for: rigid outdoor brackets and automotive parts
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA-CF
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Max Print Speed
- ≤100mm/s
- Dimensional Accuracy
- +/-0.02mm
This is a 1.75mm ASA filament reinforced with 20% chopped carbon fiber. It offers a +/-0.02mm diameter tolerance, a matte finish, and outdoor UV resistance. You need a nozzle temperature of 250°C to 280°C and a bed temperature of 80°C to 100°C. It suits you if you build rigid outdoor brackets, functional prototypes, or automotive components requiring high dimensional stability and low surface reflections.
Pros
- 20% chopped carbon fiber reinforcement
- +/-0.02mm diameter tolerance
- Nozzle temperature range of 250°C to 280°C
- Matte finish that reduces visible layer lines
Cons
- Requires a hardened steel or wear-resistant nozzle
- Requires drying at 70°C for 5 to 8 hours before printing
- Print speed limited to 100 mm/s or below
Good fit if
- You need rigid, UV-resistant parts for outdoor or automotive use.
- You have a printer equipped with an abrasive-resistant nozzle.
- You want a low-reflection matte finish to mask layer lines.
Skip if
- You only have standard brass nozzles prone to abrasive wear.
- You plan to print faster than 100 mm/s.
Verdict: IEMAI 1.75mm Carbon Fiber ASA Filament delivers high rigidity and tight +/-0.02mm tolerances for outdoor functional parts. You must pair it with a hardened nozzle and print at speeds up to 100 mm/s.
FLASHFORGE 1.75mm ASA Filament
Best for: outdoor functional parts needing tight dimensional accuracy
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensional Accuracy
- +/- 0.02mm
- Color
- Black
This 1 kg spool of FLASHFORGE 1.75mm ASA filament provides outdoor-ready material with +/- 0.02 mm dimensional tolerance. It resists UV exposure and retains its structure in temperatures up to near 93°C. Factory-dried for 24 hours and vacuum-sealed, it minimizes moisture bubbles during extrusion. It suits you if you need reliable dimensional accuracy for functional automotive parts, drone frames, or outdoor casings that face sunlight, oils, and chemical exposure.
Pros
- +/- 0.02 mm dimensional tolerance measured via CCD system
- Heat resistance maintaining shape up to near 93°C
- Factory-dried for 24 hours and vacuum-sealed
- Resistant to UV degradation, oils, and solvents
Cons
- Extruder and bed temperature ranges not specified in data
- Lacks carbon-fiber reinforcement found in CF-blended alternatives
Good fit if
- You build functional exterior parts exposed to UV, oils, and solvents.
- You require tight +/- 0.02 mm dimensional tolerances for mechanical assemblies.
- You need heat resistance up to near 93°C for automotive or RC components.
Skip if
- You need carbon-fiber infill for maximum tensile rigidity.
- You require hardware running 2.85 mm filament diameter.
Verdict: FLASHFORGE 1.75mm ASA Filament delivers tight +/- 0.02 mm precision and stable thermal resistance up to near 93°C for functional prints. It is a solid choice for UV- and chemical-resistant outdoor parts on standard 1.75 mm hardware.
iSANGHU Carbon Fiber ASA 1.75mm Filament (1 kg)
Best for: rigid outdoor functional parts and prototypes
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA-CF
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Surface Finish
- Matte
- Features
- Carbon Fiber
View on Amazon: iSANGHU Carbon Fiber ASA 1.75mm Filament (1 kg)
This 1.75mm filament blends 80% ASA with 20% high-modulus carbon fiber on a 1 kg spool. It provides high UV, heat, and weather resistance alongside torsional and tensile strength for structural parts. The material produces a matte black finish and ships vacuum-sealed after 24 hours of pre-drying. You will find it well suited for outdoor automotive components, drone frames, and rigid functional prototypes requiring weather durability.
Pros
- 80% ASA and 20% high-modulus carbon fiber composition
- High resistance to UV exposure, heat, rain, alcohol, and cleaning agents
- Matte black surface finish
- Pre-dried for 24 hours and vacuum-sealed with desiccant
Cons
- No recommended nozzle or bed temperature ranges listed in specifications
- Carbon fiber variation limited to a single matte black color
Good fit if
- You need high-strength, UV-resistant parts like drone frames or car grilles.
- You want a non-reflective matte finish directly from the print.
- You prefer filament that arrives pre-dried for 24 hours.
Skip if
- You need bright or non-black color options for carbon fiber prints.
- You require explicit manufacturer-provided temperature presets before buying.
Verdict: iSANGHU Carbon Fiber ASA 1.75mm Filament (1 kg) combines an 80/20 ASA and carbon fiber ratio to provide high rigidity and outdoor durability. It offers a reliable composite material for rigid outdoor tools, fixtures, and mechanical prototypes.
Creality HP ASA Filament 1.75mm
Best for: high-speed outdoor and functional part printing
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1KG(2.2 lbs)
- Features
- High Speed
- Application
- Functional Parts
Creality HP ASA Filament 1.75mm is a high-speed printing material engineered for functional outdoor parts. It features a 2.2-pound spool capacity and withstands temperatures up to 100°C (212°F). Built with resistance to ultraviolet radiation, aging, and corrosion, it prevents environmental stress cracking during outdoor exposure. This spool suits you if you run fast machines and need durable components like automotive fittings or model aircraft frames.
Pros
- Withstands service temperatures up to 100°C (212°F)
- Formulated for compatibility with high-speed 3D printers
- Resistant to UV radiation, weathering, and corrosion
- Tangle-free winding on a 2.2 lb spool
Cons
- No specific millimeter-per-second speed ceiling listed in the specifications
- Available only in 1.75mm diameter with no 2.85mm option
Good fit if
- You print functional parts on high-speed Creality or compatible hardware.
- You need UV- and weather-resistant outdoor components like car accessories or RC models.
- You require parts that operate in environments up to 100°C.
Skip if
- You need thermal tolerance exceeding 100°C.
- You use printers built for 2.85mm filament.
Verdict: Creality HP ASA Filament 1.75mm delivers UV stability and heat tolerance up to 100°C for functional applications. It is tailored for rapid extrusion on modern high-speed 3D printers.
FilaBees 1.75mm Burnt Titanium ASA Filament
Best for: outdoor functional parts needing matte UV resistance
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Surface Finish
- Matte
- Application
- Functional Parts
FilaBees 1.75mm Burnt Titanium ASA Filament provides a 1 kg (2.2 lb) spool engineered for functional outdoor parts. It features UV stability, heat resistance, and impact modification alongside a specialized matte finish. The spool comes transparent and vacuum-sealed with desiccant so you can monitor your remaining supply clearly. This material suits you if you produce automotive parts, exterior equipment casings, or weather-exposed items using a temperature-controlled printer enclosure.
Pros
- UV-stable and heat-resistant ASA formulation designed for outdoor parts
- Matte finish designed for smooth exterior surfaces
- Transparent spool allows visible monitoring of remaining filament
- Packaged in a vacuum-sealed bag with desiccant
Cons
- Requires a constant-temperature enclosure or cover for stable printing
- Published specifications do not list exact nozzle or bed temperature ranges
Good fit if
- You need UV-resistant and impact-modified material for exterior functional components.
- You operate an enclosed 3D printer capable of maintaining stable chamber temperatures.
- You want a transparent spool to easily check remaining filament levels.
Skip if
- You print with an open-frame printer lacking a protective enclosure.
- You prefer a glossy surface finish instead of a matte look.
Verdict: FilaBees 1.75mm Burnt Titanium ASA Filament provides reliable UV stability, impact resistance, and a matte appearance for exterior functional components. It is a solid choice when you have a temperature-controlled printing enclosure.
ERYONE 1.75mm Carbon Fiber ASA Filament
Best for: rigid outdoor and marine functional parts
- Compatible Material
- ASA (what this guide is about)
- Material Type
- ASA Carbon Fiber
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Application
- Functional Parts
- Dimensions
- 8.66 × 8.27 × 2.87 inches
This 1.75mm filament blends ASA with a 10% carbon fiber fill on a 2.2-pound spool. It provides resistance to heat, chemicals, and outdoor weather, while the carbon fiber addition increases rigidity for functional prints. You need a hardened steel nozzle because the carbon fibers abrade standard brass nozzles, and an enclosed printer helps maintain temperature. It suits you if you build rigid outdoor brackets, signage, or marine components.
Pros
- Reinforced with 10% carbon fiber for increased structural rigidity
- High resistance to heat, chemicals, and outdoor weather
- Pre-dried and vacuum-sealed with desiccant packaging
- Offers alternative material variations including glass fiber and lightweight blends
Cons
- Abrasive fibers require upgrading from standard brass to hardened nozzles
- Manufacturer recommends an enclosed printer to maintain stable temperatures
Good fit if
- You have a printer equipped with a hardened steel nozzle and an enclosure.
- You need rigid, weather-resistant components for outdoor or marine applications.
Skip if
- You print exclusively with standard brass nozzles.
- You operate an open-frame printer without an enclosure.
Verdict: ERYONE 1.75mm Carbon Fiber ASA Filament delivers structural stiffness and weather resistance for outdoor utility prints. It requires a hardened nozzle and an enclosed chamber to handle its abrasive, heat-sensitive composition.
Specifications side by side
| Spec | Polymaker ASA 1.75mm Filament (1kg) | Polymaker Fiberon Carbon Fiber ASA 0.5kg | iSANMATE Red ASA Filament 1.75mm 1kg | ELEGOO 1.75mm Warm White ASA Filament | Creality Hyper ASA 1.75mm Filament | OVERTURE 1kg White ASA Filament 1.75mm | Creality 1.75mm Black ASA Filament | SUNLU 1kg 1.75mm Weather-Resistant ASA Filament | YUANEANG 1.75mm Black ASA Filament | IEMAI 1.75mm Carbon Fiber ASA Filament | FLASHFORGE 1.75mm ASA Filament | iSANGHU Carbon Fiber ASA 1.75mm Filament (1 kg) | Creality HP ASA Filament 1.75mm | FilaBees 1.75mm Burnt Titanium ASA Filament | ERYONE 1.75mm Carbon Fiber ASA Filament |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material Type | ASA | Carbon Fiber ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA-CF | ASA | ASA-CF | ASA | ASA | ASA Carbon Fiber |
| Filament Diameter | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm | 1.75mm |
| Net Weight | 1kg | 0.5kg | 1kg | 1KG | 1KG | 1kg | 1kg | 1kg | 1kg | 1kg | 1kg | 1kg | 1KG(2.2 lbs) | 1kg | 1kg |
| Max Print Speed | not specified | not specified | 100mm/s | not specified | 350mm/s | not specified | 350mm/s | 100mm/s | not specified | ≤100mm/s | not specified | not specified | not specified | not specified | not specified |
| Dimensional Accuracy | not specified | not specified | +/- 0.02mm | not specified | not specified | + / - 0.02 mm | +/- 0.03mm | +/- 0.02mm | ±0.02mm | +/-0.02mm | +/- 0.02mm | not specified | not specified | not specified | not specified |
| Surface Finish | not specified | Matte | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Matte | not specified | Matte | not specified | Matte | not specified |
| Printing Technology | not specified | not specified | not specified | FDM | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Compatible Material | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA | ASA |
| Features | not specified | Carbon Fiber | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Carbon Fiber | not specified | Carbon Fiber | High Speed | not specified | Carbon Fiber |
| Color | 115 - 1.75mm White (Hex Code: #Dbd7d6) | Navy Blue Asa-cf08 | Red | Warm White 1kg | Asa-black-1kg | White | Black | 1000g Asa Black | 1kg Black | Matte Black | Black | Matte Black | Black Asa | Asa Burnt Titanium | Asa Cf Black |
| Size | 1KG | 0.5kg | 1X 1KG | ASA 1.75mm | Asa | 1KG | Asa | 1KG | ASA | not specified | 1.75Mm | ASA Carbon Fiber 1 kg | ASA | ASA | ASA CF |
| Finish | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Matte | not specified | Matte | not specified | not specified | not specified |
| Application | not specified | not specified | Functional Parts | Functional Parts | not specified | not specified | Functional Parts | not specified | not specified | not specified | Functional Parts | Functional Parts | Functional Parts | Functional Parts | Functional Parts |
| Dimensions | 7.87 × 7.87 × 2.36 inches | not specified | 1 × 1 × 1 inches | not specified | 8.27 × 8.27 × 2.76 inches | 8.78 × 2.95 × 8.23 inches | 5.91 × 1.97 × 5.91 inches | not specified | not specified | 7.87 × 7.87 × 2.36 inches | 7.87 × 7.87 × 2.56 inches | 7.99 × 8 × 2.49 inches | not specified | not specified | 8.66 × 8.27 × 2.87 inches |
| Weight | 2.2 pounds | 1.1 pounds | 2.2 pounds | 2.2 pounds | 2.65 pounds | 2.9 pounds | 2.65 pounds | 2.2 pounds | 2.2 pounds | 2.65 pounds | 2.2 pounds | 2.77 pounds | 2.2 pounds | 2.2 pounds | 2.2 pounds |
| Model | PF01002 | not specified | ASA-Red | CA-EL-3DF-AS0709 | Creality Hyper PLA Filament | UK-ABS17511 | HP-ASA_Black | ASA Strong 3D Printer Filament | not specified | not specified | not specified | not specified | not specified | FilaBees-ASA-Burnt Titanium | not specified |
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How to Choose the Right ASA Filament
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Check Diameter Tolerance Specs
Consistent extrusion depends heavily on the diameter tolerance of your spool. Standard ASA spools typically offer a tolerance of +/- 0.03mm, which works reliably for everyday functional parts. If your project demands precision mechanical assemblies or tight interlocking joints, look for options rated at +/- 0.02mm. For example, FLASHFORGE 1.75mm ASA Filament specifies +/- 0.02mm dimensional precision to reduce flow rate variations. Choosing tighter tolerances prevents minor over-extrusion or under-extrusion issues across long prints, giving you smoother layer lines and dependable component dimensions.
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Verify Heated Bed Capabilities
ASA requires higher bed temperatures than standard PLA or PETG to prevent severe base warping and corner lifting. Before you select a spool, verify that your printer bed can maintain sustained temperatures of at least 80°C or higher. Options like iSANMATE Red ASA Filament 1.75mm 1kg specifically require a heated bed reaching at least 80°C alongside an enclosed chamber to succeed. If your 3D printer hardware maxes out below this thermal threshold, you risk poor first-layer adhesion and detached builds during extensive print cycles.
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Match Hotend Temperature Ranges
Check your extruder specifications to confirm it safely reaches and holds the required printing temperatures. Many ASA lines demand hotend operating temperatures between 240°C and 260°C for proper melt flow and layer bonding. For instance, YUANEANG 1.75mm Black ASA Filament lists a required 240°C to 260°C print temperature range. Standard PTFE-lined hotends often degrade above 240°C, releasing fumes and clogging. Ensure your machine features an all-metal hotend before buying, allowing you to sustain these higher extrusion temperatures without damaging components or compromising inter-layer structural integrity.
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Check Multi-Material System Compatibility
If you use automated filament systems or multi-material switchers, spool compatibility is an essential specification to verify. Incompatible spool dimensions, cardboard edges, or irregular winding can cause feeder jams and motor stalls during filament swaps. Certain options, such as SUNLU 1kg 1.75mm Weather-Resistant ASA Filament, specifically feature direct AMS compatibility for smooth retraction and loading cycles. Check the spool width, outer diameter, and hub fit against your feeder specifications before purchasing. Proper hardware alignment guarantees uninterrupted automated multi-spool transitions and prevents mid-print feeding errors.
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Consider Surface Finish Properties
When selecting ASA for functional outdoor enclosures, review the specified surface finish on the spool data. Standard glossy ASA prints tend to highlight layer lines and reflect direct sunlight, which may not suit visible automotive trims or outdoor housings. Filaments like FilaBees 1.75mm Burnt Titanium ASA Filament feature a matte appearance designed for exterior functional parts. Matte textures help diffuse ambient light, conceal print layer transitions, and provide a professional, uniform finish right off the build plate without requiring post-processing or secondary sanding steps.
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Check Maximum Thermal Resistance
Outdoor components placed inside vehicle cabins or exposed to direct sun can experience elevated ambient heat. Published heat resistance ratings for ASA vary across formulations, commonly ranging from 93°C to 103°C. For instance, ELEGOO 1.75mm Warm White ASA Filament specifies thermal endurance up to 99°C, suitable for outdoor functional prototypes and automotive components. If your parts will reside near engines or behind sunny windshields, confirm that the filament's stated heat deflection threshold exceeds your operational environment so the final model will not warp or soften under heat.
Frequently asked questions
What bed and nozzle temperatures do you need for printing ASA?
You typically need a nozzle temperature between 240°C and 260°C and a heated bed between 80°C and 100°C. For example, Polymaker ASA specifies a 250°C hotend with a 90°C bed, while YUANEANG ASA operates within a 240°C to 260°C nozzle window. SUNLU runs between 230°C and 260°C. Maintaining these temperatures ensures proper layer adhesion and prevents print separation.
Why do you need an enclosure when printing ASA filament?
You need an enclosure to trap ambient heat and stop drafts that cause severe warping or layer splitting. ASA shrinks as it cools, making ambient thermal management critical for structural integrity. Filaments like ELEGOO Warm White ASA specifically call out an enclosed printer setup to preserve layer bonding. Draft-free chambers also contain fumes generated during the high-temperature melting process.
How does ASA filament perform in outdoor environments?
ASA provides exceptional ultraviolet stability and weather resistance without turning brittle or discoloring under prolonged sun exposure. Polymers like Polymaker ASA withstand heat up to 100°C, and ELEGOO ASA resists temperatures up to 99°C outdoors. These specifications make ASA an optimal choice over standard ABS or PLA for exterior automotive trims, sensor housings, and outdoor utility brackets exposed to direct sunlight.
What nozzle should you use for carbon fiber ASA filament?
You must install an abrasion-resistant hardened steel or ruby nozzle rather than standard brass. Composite filaments like ERYONE Carbon Fiber ASA, Polymaker Fiberon, and IEMAI contain abrasive chopped fibers that rapidly enlarge softer brass nozzles. Hardened nozzles retain their precise internal bore diameter, preventing irregular flow rates, poor surface quality, and inaccurate extrusion over extended printing sessions.
Can you print ASA filament at high speeds?
Yes, specialized ASA formulations support high print speeds on modern rapid-motion machines. Creality Hyper ASA and Creality 1.75mm Black ASA are rated for print speeds reaching up to 350mm/s while maintaining heat resistance up to 100°C. Standard ASA or filled composites generally require lower operational velocities, such as IEMAI Carbon Fiber ASA, which caps recommended speeds at 100 mm/s.
Is ASA filament compatible with multi-material systems like the Bambu AMS?
Yes, many standard 1.75mm ASA spools feed cleanly through automatic material systems. For instance, SUNLU 1kg Weather-Resistant ASA specifically features direct AMS compatibility alongside uniform spool dimensions. You should check the physical spool width and outer diameter before loading, as oversized spools or abrasive carbon fiber variants may experience feed resistance or excessive wear inside automated multi-filament feeding hubs.
What dimensional tolerance should you expect from quality ASA spools?
You should look for a diameter tolerance of +/- 0.02mm to ensure uniform material flow and accurate part sizing. Spools such as OVERTURE White ASA, FLASHFORGE 1.75mm ASA, and iSANMATE Red ASA feature strict +/- 0.02mm tolerances. Consistent diameter prevents under-extrusion and over-extrusion issues, allowing tight interlocking fits on functional mechanical prototypes and precision components.