SUNLU or ELEGOO? 3d Printing Filaments Compared in 2026
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You are comparing SUNLU vs ELEGOO 3d printing filament to decide which spool fits your printer best. Both brands offer standard PLA material with identical 1.75mm diameter and tight dimensional accuracy of +/- 0.02mm. This consistency ensures smooth feeding and reliable layer adhesion on most FDM machines. The main difference lies in their specific design priorities. SUNLU emphasizes neat winding mechanics and detailed print settings. ELEGOO highlights a glossy surface finish and vacuum-sealed moisture protection.
Key differences
| Aspect | SUNLU 1.75mm Black PLA Filament 1kg | ELEGOO 1.75mm Grey PLA Filament (1kg) |
|---|---|---|
| Surface Finish | Not listed | Glossy |
| Winding Method | Self-developed neat winding device | Full mechanical winding |
| Packaging | Not listed | Vacuum sealed |
| Recommended Print Speed | 50-100mm/s | Not listed |
| Spool Hub Hole Diameter | 2.20" | Larger inner diameter design |
Which one should you choose?
Choose SUNLU 1.75mm Black PLA Filament 1kg if
- You need specific nozzle and bed temperature recommendations for your setup
- You want to avoid tangles with a spool designed for high neatness rates
- You prefer a filament with verified dimensional accuracy for wide compatibility
Choose ELEGOO 1.75mm Grey PLA Filament (1kg) if
- You want a glossy surface finish on your final prints
- You need vacuum-sealed packaging to protect against moisture before use
- You prefer a larger spool inner diameter for easier filament feeding
Verdict: Choose SUNLU if you value detailed printing parameters and mechanical winding precision. Choose ELEGOO if you prioritize a glossy finish and moisture-protected packaging. Both filaments offer the same core PLA quality and dimensional tolerance for reliable results.
SUNLU vs ELEGOO Filament Specs
Dimensional Accuracy
Both SUNLU and ELEGOO claim identical dimensional accuracy for their 1.75mm PLA filaments. Each brand specifies a tolerance of +/- 0.02mm. This tight consistency is critical for smooth feeding through your extruder gear. It prevents jams and ensures uniform layer adhesion. Since both products list the exact same specification, neither has a technical advantage here. You can expect similar reliability in print quality regarding diameter consistency from either spool. The data shows no difference in this key metric, making it a neutral factor in your decision.
Spool Dimensions
SUNLU provides specific spool measurements: 8.00 inches in diameter, 2.50 inches in width, and a 2.20-inch hub hole. These dimensions are designed to fit most standard FDM 3D printers. ELEGOO does not list spool diameter, width, or hub hole size in the provided data. Without these details, you cannot verify if the ELEGOO spool fits your printer’s filament holder or drive mechanism. SUNLU’s explicit specifications offer better assurance for compatibility with your machine’s physical constraints. If your printer has tight clearance or specific spool requirements, SUNLU’s published data gives you more confidence.
Print Speed
SUNLU recommends a maximum printing speed of 50-100mm/s for optimal results. This range suggests the filament performs well at moderate to fast speeds. ELEGOO does not specify a recommended print speed in the provided data. While ELEGOO mentions smooth extrusion and less tangles, the lack of a specific speed recommendation makes direct comparison difficult. SUNLU’s defined range helps you set your printer’s initial parameters. If you plan to print quickly, SUNLU’s guidance is more actionable. For slower, detailed prints, both should work, but SUNLU provides clearer performance boundaries.
Surface Finish
ELEGOO highlights a glossy surface finish for its PLA filament. This attribute is important if you want prints with a shiny, professional look. SUNLU’s data does not mention the surface finish of its black PLA. It focuses on layer adhesion and reliability instead. If a glossy appearance is a priority for your projects, ELEGOO has a clear advantage. The glossy finish can enhance the visual appeal of functional prototypes or decorative items. For matte or standard finishes, this factor may matter less. However, based on the available specifications, ELEGOO explicitly offers this aesthetic benefit.
Color Variations
Both brands offer multiple color options beyond the specific spools compared. SUNLU lists 30 variations, including Black, White, Red, Transparent, Grey, Wood, and Green. ELEGOO lists 35 variations, including Grey, Sea Green, Red, Yellow, Black, and White. ELEGOO offers slightly more variety in its product line. However, the specific products compared are Black for SUNLU and Grey for ELEGOO. Your choice may depend on which color you need. Both provide sufficient standard colors for general use. The slight difference in total variations is negligible for most users. Neither brand dominates significantly in color availability for standard PLA.
Which filament suits your print needs?
Users prioritizing a glossy surface finish
ELEGOO specifies a glossy surface finish for its PLA filament. This aesthetic quality is ideal if you want prints with a shiny, polished look right off the bed. The material also features low warp and shrinkage, which helps maintain shape integrity. Combined with its dimensional accuracy of +/- 0.02mm, it ensures stable extrusion and consistent layer bonding for high-quality visual results.
Printers needing specific spool dimensions
SUNLU provides detailed spool dimensions, including an 8.00-inch diameter and 2.50-inch width. These specific measurements ensure compatibility with the filament holders of many FDM 3D printers. If your machine requires precise spool sizing to fit properly on the drive gear or stand, this data helps you verify fitment before printing. The neat winding also reduces tangle risks during use.
Those seeking moisture protection
ELEGOO states its filament is completely dried before packaging and vacuum sealed. This protection prevents moisture absorption, which often causes bubbling and clogging during printing. By keeping the PLA dry, you avoid common defects associated with humidity. This feature supports smooth extrusion and stable printing performance, ensuring your prints remain free of surface imperfections caused by trapped water vapor.
The products compared
SUNLU 1.75mm Black PLA Filament 1kg
Best for: beginners seeking reliable, clog-free PLA prints
- 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
SUNLU PLA filament offers reliable performance for FDM 3D printing. It features a 1.75mm diameter with tight dimensional accuracy of +/- 0.02mm, ensuring smooth feeding and minimal clogs. The neat winding reduces tangles, while the 1KG spool fits standard printers. Recommended settings include 200-230°C nozzle and 50-65°C bed temperatures. This material suits beginners and experts seeking consistent layer adhesion and versatile printing capabilities.
Pros
- Dimensional accuracy of +/- 0.02mm ensures wide compatibility with 1.75mm printers
- Neat winding device provides a 100% neat rate to reduce tangles and jams
- No clogs, bubbles, or tangles for smoother printing
- Excellent layer adhesion ensures high-quality prints
Cons
- Maximum recommended print speed is limited to 100mm/s
- Only available in 1KG spool size in this listing
- Requires specific temperature settings (200-230°C nozzle) for best results
Good fit if
- You need reliable filament with tight dimensional tolerances
- You want to avoid tangles and clogs during printing
- You are using standard FDM 3D printers
Skip if
- You require print speeds higher than 100mm/s
- You need filament in colors other than black
- You prefer larger bulk spools than 1KG
Verdict: SUNLU PLA 1.75mm Black 1KG is a practical choice for users prioritizing consistent feed and print quality over high-speed output.
ELEGOO 1.75mm Grey PLA Filament (1kg)
Best for: Precise standard FDM printing
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensional Accuracy
- ±0.02mm
- Surface Finish
- Glossy
- Printing Technology
- FDM
View on Amazon: ELEGOO 1.75mm Grey PLA Filament (1kg) Affiliate link
ELEGOO PLA filament offers 1.75mm diameter with +/- 0.02 mm dimensional accuracy. This grey spool weighs 1kg and features a glossy surface finish. The material is dried and vacuum sealed to prevent clogging. It provides smooth extrusion and low warp. This filament suits users seeking consistent layer bonding and wide compatibility with standard FDM printers.
Pros
- +/- 0.02 mm dimensional accuracy
- Glossy surface finish
- Vacuum sealed for moisture protection
- Less-tangle mechanical winding
Cons
- Only available in 1.75mm diameter
- Standard PLA material limits heat resistance
- 1kg spool size is smaller than bulk options
Good fit if
- You need precise dimensional accuracy for detailed prints
- You want a glossy finish without post-processing
- You use standard 1.75mm FDM printers
Skip if
- You require high-temperature resistant materials like ABS
- You prefer larger 2kg or 4kg spools
- You need diameters other than 1.75mm
Verdict: ELEGOO PLA 1.75mm Grey 1KG delivers reliable accuracy and a glossy finish for standard printing tasks. It fits users who prioritize consistent extrusion and moisture-free filament over bulk volume.
Specifications side by side
| Spec | SUNLU 1.75mm Black PLA Filament 1kg | ELEGOO 1.75mm Grey PLA Filament (1kg) |
|---|---|---|
| Material Type | PLA | PLA |
| Filament Diameter | 1.75mm | 1.75mm |
| Net Weight | 1kg | 1kg |
| Max Print Speed | 100mm/s | not stated |
| Dimensional Accuracy | ±0.02mm | ±0.02mm |
| Surface Finish | not stated | Glossy |
| Printing Technology | FDM | FDM |
| Compatible Material | PLA | PLA |
| Color | Black | Grey |
| Size | 1KG | 1KG |
| 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 better for beginners?
Yes, the SUNLU 1.75mm Black PLA is designed for users seeking reliable, clog-free prints. It prioritizes consistent feed and print quality over high-speed output. This makes it a practical choice for those new to 3D printing who need dependable results without frequent troubleshooting.
Does ELEGOO filament have a glossy finish?
Yes, the ELEGOO 1.75mm Grey PLA delivers a glossy surface finish. This aesthetic quality is ideal if you want prints with a shiny, polished look right off the bed. It fits users who prioritize consistent extrusion and moisture-free filament for standard printing tasks.
What is the weight of these filament spools?
Both the SUNLU and ELEGOO options come in 1kg sizes. The SUNLU spool weighs 2.21 pounds, while the ELEGOO spool weighs 2.2 pounds. These weights indicate the amount of material you receive, ensuring you have enough filament for substantial projects without needing frequent replacements.
Can I use these filaments in standard FDM printers?
Yes, both filaments are compatible with standard FDM printers. They share a 1.75mm diameter, which is the industry standard for most desktop 3D printers. This compatibility ensures you can use either brand in your existing equipment without needing adapters or special hardware.
Which filament is better for precise printing?
The ELEGOO 1.75mm Grey PLA is noted for precise standard FDM printing. It delivers reliable accuracy and consistent extrusion. If your project requires tight tolerances and a glossy finish, this option is well-suited for tasks where dimensional precision and surface quality are critical.
What colors are available from these brands?
SUNLU offers this specific PLA in Black, while ELEGOO provides it in Grey. Both colors are standard options for functional or aesthetic prints. You can choose based on your project requirements, such as using black for contrast or grey for a neutral, professional appearance.