Polymaker vs YOOPAI: 3d Printing Filaments Compared by Specs
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You are comparing polymaker vs YOOPAI 3d printing filament to find the right material for your next project. Both brands offer 1.75mm filament compatible with standard FDM printers. The main difference lies in their intended use and form factor. Polymaker provides a heavy-duty ASA filament designed for durability and outdoor conditions. YOOPAI offers a multi-color PLA bundle focused on small, creative prints. You need to decide between functional strength and colorful variety based on your specific printing needs.
Key differences
| Aspect | Polymaker ASA 1.75mm Filament (1kg) | YOOPAI Rainbow PLA 250g Bundle |
|---|---|---|
| Material Type | ASA | PLA |
| Net Weight | 1kg | 250g |
| Dimensional Accuracy | not listed | ±0.02mm |
| Color Options | Solid colors (White, Grey, Black, etc.) | Rainbow effect |
| Heat Resistance | Up to 100˚C | not listed |
Which one should you choose?
Choose Polymaker ASA 1.75mm Filament (1kg) if
- You need durable parts for outdoor or functional use
- You require high heat resistance up to 100˚C
- You want a larger 1kg spool for extended printing
Choose YOOPAI Rainbow PLA 250g Bundle if
- You are making small decorative or colorful models
- You want consistent diameter for reliable extrusion
- You prefer multi-color effects without complex setups
Verdict: Choose Polymaker ASA if you need strong, weather-resistant parts for functional applications. Select YOOPAI Rainbow PLA for small, colorful decorative items where visual variety is key. Your choice depends on whether you prioritize durability or aesthetic flexibility.
Polymaker ASA vs YOOPAI PLA Specs
Material Strength
Polymaker ASA offers high toughness and impact resistance, making it suitable for functional applications like mechanical parts and brackets. It withstands temperatures up to 100°C and resists UV and weather damage. YOOPAI Rainbow PLA is designed for creative projects, vases, and toys. It does not list heat resistance or weather durability specs. ASA is the clear choice for durable, outdoor, or load-bearing parts. PLA is better for decorative items that do not face harsh conditions.
Weight Options
Polymaker ASA comes in a 1kg spool, providing a larger volume of material for substantial prints. YOOPAI Rainbow PLA is sold in 250g mini spools. This smaller size is practical for testing colors or making small accent parts without storing large amounts of unused filament. If you need continuous material for large projects, the 1kg spool is more efficient. For variety and small batches, the 250g bundles reduce waste and storage space.
Diameter Accuracy
YOOPAI specifies a dimensional accuracy of ±0.02mm for its 1.75mm filament. This tight tolerance supports stable flow and even layers, reducing extrusion issues. Polymaker lists the diameter as 1.75mm but does not provide a specific tolerance value in the data. While both are compatible with standard FDM printers, YOOPAI’s stated accuracy offers a verifiable metric for consistent extrusion performance.
Color Variety
YOOPAI focuses on rainbow effects and multiple colors in compact bundles. This allows for vibrant, multi-shade prints without swapping spools frequently. Polymaker ASA is available in specific solid colors like white, grey, black, red, blue, purple, and natural. It does not offer rainbow or gradient effects. If you want uniform, solid-colored functional parts, Polymaker is better. For artistic, colorful, or gradient designs, YOOPAI provides more visual variety.
Printer Compatibility
Both filaments use 1.75mm diameter, fitting most FDM printers. YOOPAI spools measure 140mm in diameter and 36mm in width with a 53mm center hole. It notes compatibility with Bambu Lab AMS using a specific adapter. Polymaker ASA is a standard 1kg spool but does not list specific spool dimensions or AMS adapter requirements in the data. YOOPAI provides more explicit guidance for modern automated feeding systems.
Which filament suits your project needs
Outdoor gear and functional part makers
Choose Polymaker ASA for durable, weather-resistant prints. It withstands 100°C heat and resists UV damage and stress cracking. This 1kg spool of 1.75mm filament provides the toughness needed for brackets, car accessories, and RC planes. Use an enclosed printer to prevent warping during printing.
Small print and multicolor design creators
YOOPAI Rainbow PLA offers four 250g spools for varied colors without bulk. The 1.75mm diameter with ±0.02mm accuracy ensures smooth feeding and clean details. Short color transitions work well for vases and figurines. These mini spools fit most FDM printers and help you test colors efficiently.
Prototypers needing high impact resistance
Polymaker ASA delivers high impact resistance and strong layer adhesion. This material combines the properties of ABS with added durability for functional prototypes. The 1kg spool supports mechanical parts and tools. It handles higher temperatures than standard PLA, making it reliable for real-world applications requiring strength.
Hobbyists making decorative accent pieces
YOOPAI Rainbow PLA is ideal for decorative items like toys and decor. The bundle includes multiple 250g spools, letting you explore colors without large waste. Consistent diameter supports steady extrusion for clean layers. These spools are easy to store and perfect for small, creative projects with varied aesthetics.
The products compared
Polymaker ASA 1.75mm Filament (1kg)
Best for: outdoor functional prototypes and parts
- Material Type
- ASA
- Filament Diameter
- 1.75mm
- Net Weight
- 1 kg
- Max Print Speed
- 50mm/s
- Size
- 1KG
- Application
- Functional Parts
View on Amazon: Polymaker ASA 1.75mm Filament (1kg) Affiliate link
This Polymaker ASA filament offers UV and weather resistance, making it suitable for outdoor projects like RC planes or car accessories. It withstands temperatures up to 100°C and provides high impact resistance. The 1.75mm diameter spool weighs 1kg. You should use an enclosed printer for large parts to prevent warping. It is ideal for functional prototypes and durable mechanical parts.
Pros
- UV and weather resistant for outdoor use
- Withstands heat up to 100°C
- High toughness and impact resistance
- Reliable layer adhesion for durable prints
Cons
- Requires an enclosed printer for large parts
- Prints at high temperatures up to 250°C
- Only available in 1.75mm diameter
Good fit if
- You need parts for outdoor applications
- You require high heat resistance
- You are printing functional prototypes
Skip if
- You lack an enclosed printer
- You prefer low-temperature printing
- You need flexible materials
Verdict: Polymaker ASA Filament 1.75mm White 1KG is a durable option for outdoor functional parts. It fits users who need weather resistance and high strength in their prints.
YOOPAI Rainbow PLA 250g Bundle
Best for: small colorful prints and color testing
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 250g
- Dimensional Accuracy
- ±0.02mm
- Color Printing
- Multi-Color
- Target Audience
- Beginners
View on Amazon: YOOPAI Rainbow PLA 250g Bundle Affiliate link
This YOOPAI bundle offers four 250g spools of 1.75mm PLA filament with a consistent ±0.02mm diameter. The rainbow color effect allows for smooth transitions between shades, making it ideal for small prints, figurines, and test models. The compact spool size fits most FDM printers, though you may need an adapter for Bambu Lab AMS systems. It helps you explore multiple colors without storing large full-size spools.
Pros
- Consistent 1.75mm ±0.02mm diameter for stable extrusion
- Rainbow color effect supports smooth shade transitions
- Compact 250g spools reduce storage space needs
- Precision winding aids reliable filament feeding
Cons
- Smaller 250g spools require more frequent reloading
- May need an adapter for Bambu Lab AMS systems
- Limited to PLA material type only
Good fit if
- You want to test multiple colors without buying full 1kg spools
- You print small items like figurines or vases
- You need reliable feeding for detailed prints
Skip if
- You primarily use Bambu Lab AMS without adapters
- You need large continuous runs of single-color filament
- You require materials other than PLA
Verdict: YOOPAI SUNLU Rainbow PLA 250g Bundle is a practical option for hobbyists printing small, colorful projects. It suits users who value color variety and consistent diameter over long print runs.
Specifications side by side
| Spec | Polymaker ASA 1.75mm Filament (1kg) | YOOPAI Rainbow PLA 250g Bundle |
|---|---|---|
| Material Type | ASA | PLA |
| Filament Diameter | 1.75mm | 1.75mm |
| Net Weight | 1 kg | 250g |
| Max Print Speed | 50mm/s | not stated |
| Dimensional Accuracy | not stated | ±0.02mm |
| Color Printing | not stated | Multi-Color |
| Compatible Material | ASA | PLA |
| Target Audience | not stated | Beginners |
| Size | 1KG | 3d filament |
| Color Effect | not stated | Rainbow |
| Application | Functional Parts | not stated |
| Dimensions | 7.87 × 7.87 × 2.36 inches | not stated |
| Weight | 2.2 pounds | 2.6 pounds |
| Color | 115 - 1.75mm White (Hex Code: #Dbd7d6) | Pla Bundle-250gx4-2230028 |
| Model | PF01002 | 2230028 |
Frequently asked questions
Is Polymaker ASA better than YOOPAI PLA for outdoor use?
Yes, Polymaker ASA is the superior choice for outdoor applications. It offers high toughness and impact resistance, making it suitable for functional parts. The material withstands temperatures up to 100°C and resists UV damage and weather exposure. YOOPAI Rainbow PLA lacks these weather-resistant properties and is better suited for indoor hobby projects.
What is the weight of the Polymaker ASA filament spool?
The Polymaker ASA filament spool weighs 2.2 pounds. It contains 1kg of material. The spool dimensions are 7.87 inches wide, 2.36 inches high, and 7.87 inches long. This packaging provides a substantial amount of filament for larger functional prints compared to smaller bundles.
Does YOOPAI offer multi-color filament options?
Yes, YOOPAI provides a Rainbow PLA bundle. This option features a color effect that changes throughout the print. It comes in a 250g bundle, with four spools included in the package. This makes it practical for hobbyists who want to test color consistency or create small, colorful decorative projects.
What filament diameter do these brands use?
Both Polymaker and YOOPAI use 1.75mm filament diameter. This is the standard size for most FDM 3D printers. You can use either brand in your printer without needing to adjust the extruder settings for width. The Polymaker ASA is available in white, while the YOOPAI PLA features a rainbow effect.
Which filament is better for mechanical parts and brackets?
Polymaker ASA is the better option for mechanical parts and brackets. It offers high impact resistance and can withstand stress cracking. The material is durable enough for functional prototypes that need to endure physical stress. YOOPAI Rainbow PLA is designed for visual appeal rather than structural strength in mechanical applications.
How much filament do you get in the YOOPAI bundle?
The YOOPAI bundle contains four spools of 250g filament each. The total weight of the package is 2.6 pounds. This provides a total of 1kg of Rainbow PLA material. It is a practical choice for users who value color variety and consistent diameter over long print runs.
Can Polymaker ASA withstand high temperatures?
Yes, Polymaker ASA can withstand temperatures up to 100°C. This heat resistance makes it suitable for parts that may be exposed to warm environments. It is ideal for car accessories or outdoor gear that might get hot in the sun. YOOPAI PLA does not offer this level of thermal stability.

