SUNLU vs BAMBULAB: 3d Printing Filaments Compared by Specs
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This SUNLU vs BAMBULAB 3d printing filament guide compares two popular PLA options. Both brands offer 1.75mm filament with 1kg net weight for standard FDM printers. The main difference lies in the surface finish and dimensional tolerance. SUNLU provides a standard glossy finish with tighter diameter accuracy. Bambu Lab offers a matte finish with slightly looser tolerance but includes vacuum sealing for freshness. You choose based on your desired print look and printer compatibility.
Key differences
| Aspect | SUNLU 1.75mm Black PLA Filament 1kg | Bambu Lab Matte PLA 1.75mm 1kg Refill |
|---|---|---|
| Surface Finish | Glossy (standard PLA) | Matte |
| Dimensional Accuracy | +/- 0.02mm | +/- 0.03mm |
| Packaging | Standard spool | Vacuum-sealed refill with desiccant |
| Max Print Speed | 100mm/s | Not listed |
Which one should you choose?
Choose SUNLU 1.75mm Black PLA Filament 1kg if
- You need tighter dimensional accuracy for precise mechanical parts.
- You prefer a traditional glossy finish on your prints.
- You want to know the recommended maximum print speed.
Choose Bambu Lab Matte PLA 1.75mm 1kg Refill if
- You want a non-reflective matte finish for aesthetic models.
- You value vacuum-sealed packaging to keep filament dry.
- You use Bambu Lab printers with AMS compatibility.
Verdict: Choose SUNLU if you prioritize tighter dimensional tolerances and a standard glossy finish. Choose Bambu Lab if you prefer a matte surface texture and vacuum-sealed packaging for freshness. Both filaments work well with standard 1.75mm FDM printers.
SUNLU vs Bambu Lab PLA Specs
Dimensional Accuracy
SUNLU lists a dimensional accuracy of +/- 0.02mm for its 1.75mm Black PLA filament. This tight tolerance helps ensure consistent extrusion and reduces the risk of clogs or jams in your printer’s extruder. Bambu Lab specifies a tolerance of ±0.03mm for its Matte PLA. While both values are within acceptable ranges for most FDM printers, SUNLU’s slightly tighter specification suggests potentially more precise layer alignment. You should check your printer’s requirements, as some high-precision models benefit from the tighter SUNLU tolerance.
Surface Finish
The surface finish is a major differentiator between these two products. Bambu Lab’s filament is explicitly described as having a Matte finish, which provides a smooth, non-reflective appearance ideal for professional models or prototypes where glare is undesirable. SUNLU’s product is described as standard PLA with excellent layer adhesion, implying a traditional glossy finish. If you prefer a sleek, shiny look for your prints, SUNLU is the better choice. If you want to hide layer lines and reduce reflections, the matte texture of the Bambu Lab filament offers a distinct visual advantage.
Printing Speed
SUNLU provides recommended printing settings, including a maximum speed of 100mm/s. This guideline helps you balance print quality with efficiency, ensuring the filament feeds smoothly without overheating or under-extruding. Bambu Lab does not list a specific maximum print speed in its published specifications. It notes superior printability and smooth extrusion, which suggests good performance, but lacks the concrete numerical limit provided by SUNLU. If you rely on specific speed targets for your workflow, SUNLU’s clear recommendation offers more actionable data for setting up your slicer.
Packaging Type
The packaging structure differs significantly between the two brands. SUNLU comes on a standard spool with specific dimensions: 8.00 inches diameter, 2.50 inches width, and a 2.20 inches hub hole. This makes it compatible with most standard FDM 3D printer filament holders. Bambu Lab offers a refill option labeled as 1.75mm Refill with no spool included. This means you must have your own spool or a compatible storage system. If you need a ready-to-use solution with a standard spool, SUNLU is more convenient. If you already have spools, the Bambu Lab refill saves plastic waste.
Material Composition
Both filaments use PLA as the primary material, making them suitable for general-purpose printing. SUNLU highlights its versatility and ease of use for both beginners and experienced users. Bambu Lab emphasizes that its PLA is derived from renewable resources and is biodegradable, offering an eco-friendly alternative. It also notes low odor and safety for a wide range of projects. If environmental impact and biodegradability are important to your printing habits, Bambu Lab’s composition offers a clear advantage. Otherwise, both materials provide strong layer adhesion and minimal warping for standard FDM applications.
Choose Your PLA Filament
Beginners wanting reliable, tangle-free printing
SUNLU features a neat winding device that ensures a 100% neat rate. This design reduces the risk of tangles and jams, providing a smoother printing experience. With a dimensional accuracy of +/- 0.02mm, the filament fits almost all 1.75mm FDM printers. The tight tolerance helps prevent clogs, making it a dependable choice for users new to 3D printing.
Users preferring a non-glossy matte finish
Bambu Lab offers a specific matte surface finish for PLA filament. This option provides a smooth, non-reflective look that enhances visual appeal for art or professional design applications. While the dimensional accuracy is +/- 0.03mm, it remains consistent for jam-free performance. The matte texture is ideal if you want to avoid the standard glossy shine of basic PLA.
Bambu Lab ecosystem users with AMS
This filament is explicitly designed for seamless performance with Bambu Lab printers and their AMS systems. It comes in a refill format without a spool, which is optimized for automatic material loading. The vacuum-sealed packaging with desiccant ensures freshness. If you use an AMS, this refill format integrates directly into your workflow for hassle-free, continuous printing.
The products compared
SUNLU 1.75mm Black PLA Filament 1kg
Best for: standard PLA printing with reliable feeding
- 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 SUNLU PLA filament is designed for reliable FDM printing with a 1.75mm diameter and +/- 0.02mm dimensional accuracy. It comes in a 1kg spool wound to reduce tangles. You get a wide compatibility range for most 1.75mm printers. The recommended settings allow for speeds up to 100mm/s. It is a practical option for beginners and experienced users seeking consistent layer adhesion.
Pros
- 1.75mm diameter with +/- 0.02mm dimensional accuracy
- Neatly wound spool reduces tangles and jams
- Supports print speeds up to 100mm/s
- Wide compatibility with most 1.75mm FDM printers
Cons
- Limited to standard PLA material type
- Only available in 1kg spool size here
- No vacuum-sealed packaging mentioned in data
Good fit if
- You need reliable PLA for general prototyping
- You want wide compatibility with FDM printers
- You prefer neatly wound spools to avoid jams
Skip if
- You require high-speed printing beyond 100mm/s
- You need specialized materials like ABS or PETG
- You prefer larger bulk spools for heavy use
Verdict: SUNLU PLA 1.75mm 1kg Black offers consistent quality for standard FDM printing tasks. It fits users who prioritize dimensional accuracy and tangle-free feeding over high-speed capabilities.
Bambu Lab Matte PLA 1.75mm 1kg Refill
Best for: Bambu Lab users seeking matte finish prints
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 1kg
- Dimensional Accuracy
- ±0.03mm
- Surface Finish
- Matte
- Printing Technology
- FDM
View on Amazon: Bambu Lab Matte PLA 1.75mm 1kg Refill Affiliate link
This is a 1kg refill spool of Bambu Lab PLA filament in Beige with a matte finish. It features a 1.75mm diameter and ±0.03mm dimensional accuracy. The material offers smooth extrusion and strong layer adhesion. It is compatible with most FDM printers and specifically designed for Bambu Lab AMS systems. You get vacuum-sealed freshness for reliable printing.
Pros
- Matte surface finish for reduced glare
- ±0.03mm dimensional accuracy for consistent printing
- 1.75mm diameter compatible with standard FDM printers
- Compatible with Bambu Lab AMS and AMS Lite
Cons
- Sold as a refill without a spool
- Beige color limits aesthetic options
- Requires AMS for automated multi-color printing
Good fit if
- You want a matte finish for professional-looking prints
- You use a Bambu Lab printer with AMS
- You prefer vacuum-sealed filament for freshness
Skip if
- You need a spool with a built-in hub
- You require a glossy surface finish
- You print in colors other than Beige
Verdict: Bambu Lab PLA Matte Beige 1kg Refill delivers precise 1.75mm filament with a matte finish for users who value consistent layer adhesion and AMS compatibility. It is an ideal choice for Bambu Lab owners seeking a low-glare, professional aesthetic for their functional or decorative prints.
Specifications side by side
| Spec | SUNLU 1.75mm Black PLA Filament 1kg | Bambu Lab Matte PLA 1.75mm 1kg Refill |
|---|---|---|
| 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 | ±0.03mm |
| Surface Finish | not stated | Matte |
| Printing Technology | FDM | FDM |
| Compatible Material | PLA | PLA |
| Color | Black | Beige (10201) |
| Size | 1KG | 1.75mm Refill |
| Finish | not stated | Matte |
| Dimensions | 8.66 × 8.66 × 3.15 inches | 8.27 × 8.66 × 2.95 inches |
| Weight | 2.21 pounds | 2.2 pounds |
| Model | 3D Printer Filament PLA Filament 1.75mm | 47928-R |
Frequently asked questions
Which PLA filament is better for beginners?
SUNLU is often the better choice for beginners due to its focus on reliable feeding. It features a neat winding device that ensures a 100% neat rate, which reduces the risk of tangles and jams. This design provides a smoother printing experience for users who prioritize consistent quality over high-speed capabilities.
Does Bambu Lab filament work with other printers?
Yes, the Bambu Lab Matte PLA is a standard 1.75mm filament compatible with most FDM printers. However, it is specifically optimized for Bambu Lab users seeking AMS compatibility. It delivers precise filament dimensions and a matte finish, making it ideal for owners who want consistent layer adhesion and a professional aesthetic.
What is the difference between SUNLU and Bambu Lab finishes?
SUNLU offers a standard glossy finish for its Black PLA filament. In contrast, Bambu Lab provides a Matte finish with a low-glare, professional aesthetic. The Bambu Lab option is designed for users who value a non-reflective surface on their functional or decorative prints, while SUNLU focuses on standard visual appeal.
Is the Bambu Lab refill spooled?
No, the Bambu Lab Matte PLA is sold as a refill without a spool. It is packaged as a 1.75mm refill unit, making it suitable for users who already own compatible spools or printers with automatic loading systems. The SUNLU option comes on a standard spool for direct use.
Which filament has tighter dimensional tolerance?
SUNLU specifies a dimensional accuracy of +/- 0.02mm for its 1.75mm Black PLA. This tight tolerance helps ensure consistent extrusion and reduces the risk of clogs or jams in your printer’s extruder. Bambu Lab also emphasizes precision, but SUNLU explicitly highlights this metric for reliable feeding performance.
Can I use these filaments for decorative prints?
Both filaments are suitable for decorative prints, but they offer different visual results. The Bambu Lab Matte PLA is ideal for decorative items due to its low-glare, professional aesthetic. The SUNLU Black PLA provides a standard glossy finish that works well for general-purpose decorative projects requiring reliable feeding and consistent quality.

