SUNLU or Yousu? 3d Printing Filaments Compared in 2026
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When you compare SUNLU vs yousu 3d printing filament, you find two distinct approaches to PLA. Both offer 1.75mm diameter filament with a net weight of 1KG, ensuring compatibility with most FDM printers. The primary difference lies in their finish and packaging structure. SUNLU provides a single large spool of standard black PLA, while Yousu offers a bundle of four smaller spools with a unique silk finish. Your choice depends on whether you prioritize print speed consistency or aesthetic surface detail.
Key differences
| Aspect | SUNLU 1.75mm Black PLA Filament 1kg | Yousu Silk PLA 4x250g Filament Bundle |
|---|---|---|
| Material Type | PLA | PLA |
| Surface Finish | Standard (not listed) | Silk |
| Dimensional Accuracy | +/- 0.02mm | +/- 0.03 mm |
| Spool Configuration | Single 1KG spool | Four 250g spools |
| Recommended Max Print Speed | 100mm/s | not listed |
| Color Options | Black | Silk Gold, White, Silver, Pink |
Which one should you choose?
Choose SUNLU 1.75mm Black PLA Filament 1kg if
- You need a single large spool for long, continuous prints.
- You want the tightest dimensional tolerance for precision parts.
- You prefer a standard matte finish over a glossy look.
Choose Yousu Silk PLA 4x250g Filament Bundle if
- You want a shiny, metallic surface without post-processing.
- You prefer trying multiple colors in one package.
- You value vacuum-sealed packaging with desiccant for moisture protection.
Verdict: Choose SUNLU if you prioritize tighter dimensional accuracy and a high maximum print speed for functional parts. Select Yousu if you want a decorative silk finish and the flexibility of multiple color spools. Both deliver reliable PLA performance for standard 1.75mm printers.
SUNLU vs Yousu PLA Comparison
Dimensional Accuracy
Precision in filament diameter directly impacts print reliability and extruder consistency. SUNLU specifies a tight tolerance of +/- 0.02mm for its 1.75mm PLA. This narrow variance helps maintain steady flow rates through the nozzle. Yousu lists a tolerance of ± 0.03 mm. While still within acceptable ranges for most FDM printers, the SUNLU specification is technically tighter. A smaller deviation reduces the risk of under-extrusion or clogging during long prints. If you prioritize maximum dimensional consistency for high-detail models, the SUNLU specification offers a slight technical advantage.
Surface Finish
The visual outcome of your prints depends heavily on the filament finish. Yousu offers a Silk PLA variant designed to produce shiny, glossy parts without post-processing. This finish is ideal for decorative items where aesthetics matter. SUNLU provides standard PLA in Black, which yields a matte, opaque surface. The standard finish hides layer lines less effectively than silk but provides a traditional look. If you want a metallic or pearlescent sheen straight from the printer, Yousu is the clear choice. For standard functional parts or a classic matte appearance, SUNLU is suitable.
Print Speed
Printing speed affects how quickly you can produce objects. SUNLU recommends a printing speed range of 50-100mm/s for optimal results. This allows for relatively fast production of standard models. Yousu does not publish specific recommended print speeds in the provided data. However, both filaments are compatible with standard FDM printers. The lack of a specified maximum speed for Yousu means you must rely on general PLA guidelines. SUNLU gives you a concrete performance benchmark to aim for when adjusting your slicer settings for efficiency.
Packaging Structure
How filament is stored affects its moisture absorption and usability. Yousu includes four 250g spools in a vacuum-sealed package with a desiccant bag. This multi-spool structure allows you to open one spool at a time, reducing exposure to humidity for the remaining filament. SUNLU provides a single 1KG spool. While reliable, the larger single spool must be stored in a dry box or sealed container after opening to prevent moisture damage. If you print infrequently or want to preserve filament freshness over time, Yousu’s vacuum-sealed multi-spack design offers better protection.
Color Variety
The available colors determine the range of projects you can undertake. Yousu offers multi-color silk bundles, including combinations like Gold, Silver, Pink, and Blue. This variety allows for colorful, decorative prints without needing to switch filaments mid-project. SUNLU lists Black as the primary color in this specific listing, though the brand offers other options. For this specific comparison, Yousu provides immediate access to multiple vibrant silk shades. If you need a single, consistent black for functional parts, SUNLU is straightforward. For aesthetic variety in one package, Yousu wins.
Which SUNLU or Yousu filament fits you
Users needing precise, reliable standard prints
SUNLU offers a tighter dimensional accuracy of +/- 0.02mm compared to Yousu's +/- 0.03mm. This precision ensures consistent extrusion and reduces clog risks. The 1.75mm diameter fits most FDM printers. You get a single 1KG black spool designed for smooth, tangle-free feeding. It is ideal for functional parts where strict tolerances matter.
Creators wanting shiny, decorative multi-color parts
Yousu provides a silk finish that creates a gorgeous, shiny surface without polishing. You receive four 250g spools in assorted colors like gold, silver, and pink. This bundle allows for multi-color projects right away. The vacuum-sealed packaging with desiccant keeps the filament dry. It is perfect for decorative items that require an attractive, metallic-like aesthetic.
Beginners seeking easy, clog-free printing
SUNLU features a neat winding device that ensures a 100% neat rate. This design significantly reduces the risk of tangles and jams during printing. The filament is described as reliable and versatile for both beginners and experts. With a recommended speed of up to 100mm/s, you can achieve high-quality prints with minimal setup issues or maintenance.
The products compared
SUNLU 1.75mm Black PLA Filament 1kg
Best for: Reliable standard PLA printing
- 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 a 1.75mm spool designed for FDM 3D printers. It features a dimensional accuracy of +/- 0.02mm to ensure wide compatibility. The neat winding reduces tangles and jams for a smoother print. You get a 1kg black spool suitable for most machines. It supports speeds up to 100mm/s. This is a reliable option for beginners and experienced users seeking consistent layer adhesion.
Pros
- Dimensional accuracy of +/- 0.02mm
- 100% neat winding reduces tangles
- Compatible with most 1.75mm FDM printers
- Supports print speeds up to 100mm/s
Cons
- 1kg spool is lighter than the 250g bundle option
- Standard PLA material limits heat resistance
- Single color option in this listing
Good fit if
- You need reliable filament with tight tolerances
- You want to minimize printing jams
- You are printing standard PLA projects
Skip if
- You require high-temperature resistant materials
- You need multi-color or special effect filaments
- You prefer larger bulk spools
Verdict: SUNLU PLA 1.75mm Filament, 1kg offers precise dimensions and neat winding for consistent results. It fits users who prioritize reliability and ease of use in their daily prints.
Yousu Silk PLA 4x250g Filament Bundle
Best for: Testing multiple silk filament colors
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 1KG
- Dimensional Accuracy
- ± 0.03 mm
- Surface Finish
- Silk
- Dimensions
- 5.91 × 5.91 × 1.5 inches
View on Amazon: Yousu Silk PLA 4x250g Filament Bundle Affiliate link
This Yousu bundle includes four 250g spools of 1.75mm silk PLA filament. The dimensional accuracy is rated at ±0.03 mm, ensuring consistent extrusion. It features a shiny surface finish that requires no post-processing. The package weighs 1kg total and arrives vacuum-sealed with desiccant. It suits users who want varied colors for small projects without buying full 1kg spools.
Pros
- Includes four 250g spools for color variety
- Silk finish provides a shiny surface
- ±0.03 mm dimensional accuracy
- Vacuum-sealed with desiccant for storage
Cons
- Smaller 250g spools reduce total print volume
- Only four colors included in the pack
- Requires swapping spools more frequently
Good fit if
- You want to test multiple silk colors
- You need smaller spools for specific projects
- You prefer vacuum-sealed packaging for freshness
Skip if
- You require a single 1kg spool
- You need more than four colors
- You want to minimize spool changes
Verdict: Yousu 250g Silk PLA Bundle offers a practical way to explore silk finishes with varied colors. It fits users who value color diversity over bulk volume.
Specifications side by side
| Spec | SUNLU 1.75mm Black PLA Filament 1kg | Yousu Silk PLA 4x250g Filament Bundle |
|---|---|---|
| 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 | ± 0.03 mm |
| Surface Finish | not stated | Silk |
| Printing Technology | FDM | not stated |
| Compatible Material | PLA | PLA |
| Color | Black | 3-silk Gold/Silver/Pink/Blue |
| Size | 1KG | G-Silk PLA Pack |
| Finish | not stated | Silk |
| Dimensions | 8.66 × 8.66 × 3.15 inches | 5.91 × 5.91 × 1.5 inches |
| Weight | 2.21 pounds | 2.2 pounds |
| Model | 3D Printer Filament PLA Filament 1.75mm | YS-SILKPLA-1.75MM-4X250G-GSWP |
Frequently asked questions
Which filament is better for reliable daily prints?
SUNLU is the better choice for reliable standard prints. Its 1.75mm Black PLA features precise dimensions and neat winding for consistent results. This makes it ideal for users who prioritize reliability and ease of use in their daily printing tasks.
Is there a bundle option for silk PLA?
Yes, Yousu offers a Silk PLA 4x250g bundle. This pack includes varied colors like gold, silver, pink, and blue. It provides a practical way to explore silk finishes with color diversity, fitting users who value variety over bulk volume.
What is the total weight of each filament option?
Both options provide a net weight of 1 kilogram. The SUNLU filament comes as a single 1kg spool. The Yousu bundle consists of four 250g spools, totaling 1kg. Both meet the standard weight requirement for most FDM printers.
Does SUNLU filament come in black?
Yes, the SUNLU 1.75mm PLA filament is available in black. This specific model is designed for standard printing needs. The black color offers a classic finish suitable for functional parts or general purpose projects requiring a neutral appearance.
Can I test multiple silk colors with one purchase?
You can test multiple colors with the Yousu bundle. It includes four distinct silk finishes: gold, silver, pink, and blue. This allows you to experiment with different aesthetic outcomes without committing to a single large spool of one color.
Are both filaments compatible with standard FDM printers?
Yes, both filaments are compatible with most FDM printers. They share a standard 1.75mm diameter. This common specification ensures they fit the extruder systems of the majority of desktop 3D printers available on the market today.