SUNLU or EONO3D? 3d Printing Filaments Compared in 2026
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In this SUNLU vs EONO3D 3d printing filament comparison, we look at two distinct options for your printer. Both are 1.75mm black filaments with a 1kg net weight, designed for reliable feeding on standard FDM machines. The main difference lies in their material composition. SUNLU offers standard PLA for rigid, high-speed prints, while EONO3D provides flexible TPU for durable, bendable parts. You need to choose based on whether you prioritize speed or elasticity in your final objects.
Key differences
| Aspect | SUNLU 1.75mm Black PLA Filament 1kg | EONO3D 95A 1.75mm Black TPU Filament (1kg) |
|---|---|---|
| Material Type | PLA | TPU |
| Shore Hardness | Not listed | 95A |
| Dimensional Accuracy | +/- 0.02mm | Not listed |
| Recommended Print Speed | 50-100mm/s | 30-60mm/s |
| Nozzle Temperature | 200-230°C | 220-240°C |
| Surface Finish | Not listed | Matte |
Which one should you choose?
Choose SUNLU 1.75mm Black PLA Filament 1kg if
- You need rigid parts with high detail and fast print times.
- You want wide compatibility with almost all 1.75mm FDM printers.
- You prefer a material that is easy to use for beginners.
Choose EONO3D 95A 1.75mm Black TPU Filament (1kg) if
- You require flexible, impact-resistant parts like phone cases or gaskets.
- You need a filament that bends without breaking for functional wearables.
- You want a matte black finish that absorbs impact and resists wear.
Verdict: Choose the SUNLU PLA filament if you are printing rigid models and value high speed and dimensional precision. Select the EONO3D TPU filament if your project requires flexibility, durability, and shock absorption. Your choice depends entirely on whether the final part needs to be hard or bendable.
SUNLU PLA vs EONO3D TPU Specs
Material Type
The primary difference between these two filaments is their chemical composition and resulting physical properties. SUNLU offers a standard PLA (Polylactic Acid) filament, which is a rigid thermoplastic derived from renewable resources like corn starch. It is known for being easy to print with and producing stiff, durable parts. EONO3D provides a TPU (Thermoplastic Polyurethane) filament, specifically rated at 95A Shore Hardness. This makes it a flexible material that can bend, compress, and absorb impact without breaking. If you need parts that require flexibility, such as phone cases, gaskets, or wearable items, the EONO3D TPU is the necessary choice. For rigid structural components or general prototyping, the SUNLU PLA is the appropriate material.
Print Speed
Recommended print speeds vary significantly due to the different flow characteristics of each material. SUNLU PLA is designed for faster production, with recommended speeds ranging from 50 to 100mm/s. This allows you to complete prints more quickly, which is ideal for beginners or high-volume output. In contrast, EONO3D TPU requires a much slower approach to ensure proper layer adhesion and prevent jamming. The recommended speed for the flexible filament is 30 to 60mm/s. Printing TPU too fast often leads to poor quality or extruder issues. Therefore, if speed is your main priority and you are printing rigid objects, SUNLU holds a clear advantage. For flexible parts, you must accept the slower pace required by EONO3D.
Dimensional Accuracy
Consistency in filament diameter is critical for smooth feeding and accurate prints. SUNLU explicitly states a dimensional accuracy of +/- 0.02mm for its 1.75mm PLA filament. This tight tolerance helps prevent clogs and ensures consistent extrusion across most FDM printers. The data for EONO3D does not list a specific numerical tolerance for diameter accuracy. However, the manufacturer claims excellent dimensional accuracy and consistent 1.75mm diameter feeding through precision winding and inspection. While SUNLU provides a measurable specification that you can verify, EONO3D relies on qualitative claims of consistency. For buyers who prioritize verified numerical tolerances for their printer settings, SUNLU offers more transparent data.
Extruder Compatibility
The type of extruder on your 3D printer affects how well it handles different filaments. SUNLU PLA is compatible with almost all 1.75mm FDM 3D printers, regardless of whether they use direct drive or Bowden extruder setups. Its rigid nature makes it easy to push through long Bowden tubes. EONO3D TPU is also compatible with most 1.75mm FDM printers, including popular brands like Bambu Lab, Creality, and Prusa. However, the data specifically recommends direct-drive extruders for the best results with TPU. Bowden setups can sometimes struggle with flexible filaments due to compression and friction. If you have a Bowden printer, SUNLU is the safer bet. If you have a direct-drive system, both work well.
Packaging and Storage
Proper storage is essential to maintain filament quality, especially for hygroscopic materials. EONO3D TPU comes in vacuum-sealed packaging with desiccant to prevent moisture absorption. This is critical because TPU absorbs water from the air, which can cause bubbling and poor print quality during printing. The data advises storing it sealed or drying it at 50°C before use. SUNLU PLA is also sensitive to moisture, but the provided data does not mention vacuum sealing or specific storage instructions for the spool. It does highlight a neat winding device to reduce tangles, which aids in feeding. For materials that require strict moisture control, EONO3D’s vacuum-sealed approach is a significant practical advantage.
Which filament suits your project best
Beginners printing rigid decorative items
SUNLU PLA offers dimensional accuracy of +/- 0.02mm, ensuring consistent layer adhesion for reliable results. You can print at speeds up to 100mm/s with nozzle temperatures between 200-230°C. The neat winding reduces tangle risks, making it an easy choice for standard FDM printers without complex settings.
Users needing flexible functional parts
EONO3D TPU 95A provides balanced flexibility and durability with a Shore 95A hardness rating. It absorbs impact and bends without breaking, ideal for phone cases or wearables. The matte black finish resists fading, and the low stringing formula ensures clean prints on direct drive or Bowden extruders.
Printers requiring easy storage and feeding
EONO3D includes vacuum-sealed packaging with desiccant to prevent moisture absorption, critical for hygroscopic TPU. The precision-wound spool ensures 100% tangle-free feeding. This setup maintains consistent 1.75mm diameter extrusion, reducing clogs and ensuring stable performance during long prints of functional components like gaskets or seals.
The products compared
SUNLU 1.75mm Black PLA Filament 1kg
Best for: Standard FDM printing with high accuracy
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Max Print Speed
- 100mm/s
- Dimensional Accuracy
- ±0.02mm
- Printing Technology
- FDM
View on Amazon: SUNLU 1.75mm Black PLA Filament 1kg Affiliate link
This 1 kg spool of black PLA filament is designed for reliable FDM printing. It features a tight dimensional accuracy of +/- 0.02mm, which helps prevent clogs and ensures smooth feeding. The recommended print speed reaches 100mm/s, allowing for efficient production. The neat winding process reduces tangles, making it suitable for both beginners and experienced users who need consistent layer adhesion.
Pros
- Dimensional accuracy of +/- 0.02mm for wide printer compatibility
- Recommended max print speed of 100mm/s
- 100% neat winding rate reduces tangles
- Strong layer adhesion for high-quality prints
Cons
- Standard PLA material limits flexibility
- Requires specific temperature settings (200-230°C nozzle)
- Spool hub hole is 2.20 inches, which may not fit all printers
Good fit if
- You need reliable, clog-free printing for general projects
- You want a filament with tight diameter tolerances
- You prefer neat winding to avoid jams
Skip if
- You require flexible materials like TPU
- Your printer uses a different filament diameter
- You need high-temperature resistance beyond PLA limits
Verdict: SUNLU PLA 1.75mm Black Filament is a solid choice for users who prioritize dimensional accuracy and smooth feeding. It fits those who want dependable results for standard FDM printing tasks without needing specialized flexible materials.
EONO3D 95A 1.75mm Black TPU Filament (1kg)
Best for: functional flexible parts and wearables
- Material Type
- TPU
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Surface Finish
- Matte
- Shore Hardness
- 95A
- Printing Technology
- FDM
View on Amazon: EONO3D 95A 1.75mm Black TPU Filament (1kg) Affiliate link
EONO3D offers a 1.75mm TPU filament with 95A Shore hardness. This black material balances flexibility and durability for functional parts like phone cases and wearables. It features a matte finish and low stringing. The spool weighs 1kg and includes desiccant to manage moisture. You get consistent extrusion for direct drive or Bowden printers. This option suits makers needing impact resistance without excessive softness.
Pros
- 95A Shore hardness for balanced flexibility
- Matte black surface finish
- 1.75mm diameter with 1kg net weight
- Vacuum-sealed with desiccant
Cons
- Limited to black color in this listing
- Requires lower print speeds of 30-60mm/s
- Needs precise temperature control at 220-240°C
Good fit if
- You need durable, flexible parts like gaskets
- You print with direct drive extruders
- You prefer a matte black aesthetic
Skip if
- You require rigid materials like PLA
- You need high-speed printing capabilities
- You want multi-color or white options
Verdict: EONO3D TPU 95A Black Filament delivers reliable flexibility for functional prototypes and wearables. You should buy it if you prioritize impact resistance and a professional matte look for your 3D printed components.
Specifications side by side
| Spec | SUNLU 1.75mm Black PLA Filament 1kg | EONO3D 95A 1.75mm Black TPU Filament (1kg) |
|---|---|---|
| Material Type | PLA | TPU |
| Filament Diameter | 1.75mm | 1.75mm |
| Net Weight | 1kg | 1kg |
| Max Print Speed | 100mm/s | not stated |
| Dimensional Accuracy | ±0.02mm | not stated |
| Surface Finish | not stated | Matte |
| Shore Hardness | not stated | 95A |
| Printing Technology | FDM | FDM |
| Compatible Material | PLA | TPU |
| Color | Black | Black |
| Size | 1KG | 95A TPU |
| Dimensions | 8.66 × 8.66 × 3.15 inches | not stated |
| Weight | 2.21 pounds | 2.2 pounds |
| Model | 3D Printer Filament PLA Filament 1.75mm | not stated |
Frequently asked questions
Is SUNLU PLA or EONO3D TPU better for flexible parts?
EONO3D is the better choice for flexible applications. Its 95A TPU material provides reliable flexibility, making it suitable for functional prototypes and wearables. SUNLU offers standard PLA, which is rigid and not designed for bending or impact resistance. Choose EONO3D if you need parts that can withstand stress or require a matte finish.
Can I use SUNLU filament for standard FDM printing?
Yes, SUNLU PLA is designed for standard FDM printing. It prioritizes dimensional accuracy and smooth feeding, ensuring dependable results for general tasks. This filament is ideal if you want consistent layer adhesion without needing specialized flexible materials. It is a solid option for users who value precision in their rigid prints.
What is the diameter of these filaments?
Both the SUNLU PLA and EONO3D TPU filaments have a diameter of 1.75mm. This is the standard width for most desktop FDM 3D printers. You can use either filament in machines that accept this common size. The consistent width helps ensure smooth feeding and reliable extrusion during your print jobs.
Which filament weighs 1kg per spool?
Both filaments come in 1kg packages. The SUNLU PLA is listed with a 1KG size, while the EONO3D TPU also carries a 1kg net weight. This standard amount provides enough material for numerous projects. You get the same quantity of printing medium from both brands, allowing you to compare material performance directly.
Is EONO3D TPU good for wearables?
Yes, EONO3D TPU is suitable for wearables. Its flexible nature and impact resistance make it ideal for items that need to bend or endure wear. The black color also offers a professional matte look. If you are printing components that must be durable and flexible, this filament delivers reliable results for such functional needs.
Does SUNLU PLA come in black?
Yes, the SUNLU filament in this comparison is black. The specific model listed is the 1.75mm Black PLA Filament. This color choice provides a classic, neutral appearance for your prints. You can expect consistent coloration throughout the spool, which helps maintain a uniform look for your rigid decorative items or functional parts.
What is the hardness of EONO3D TPU?
The EONO3D TPU has a hardness of 95A. This durometer rating indicates a balance between flexibility and durability. It is firm enough to hold shape but soft enough to bend. This specific hardness level makes it effective for functional prototypes that require impact resistance without being overly soft or difficult to handle during printing.
Which filament is derived from renewable resources?
SUNLU PLA is derived from renewable resources like corn starch. PLA is a bioplastic known for being eco-friendly compared to petroleum-based plastics. This makes it a good choice if you prefer materials sourced from natural origins. The EONO3D TPU is a thermoplastic polyurethane, which typically has a different chemical composition and sourcing profile.