SUNLU vs eSUN: 3d Printing Filaments Compared by Specs
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
When you compare SUNLU vs eSUN 3d printing filament, you are looking at two popular brands for FDM printing. Both offer 1.75mm PLA options with a net weight of 1KG. They share a focus on tangle-free winding and dimensional consistency. The main difference lies in the material grade and precision. SUNLU provides standard PLA with a tighter tolerance, while eSUN offers PLA+ for enhanced toughness and high-speed compatibility.
Key differences
| Aspect | SUNLU 1.75mm Black PLA Filament 1kg | eSUN PLA+ 1.75mm 1KG Spool |
|---|---|---|
| Material Type | PLA | PLA+ |
| Dimensional Accuracy | +/- 0.02mm | +/- 0.03mm |
| Recommended Max Print Speed | 100mm/s | Not listed |
| Spool Diameter | 8.00 inches | Not listed |
Which one should you choose?
Choose SUNLU 1.75mm Black PLA Filament 1kg if
- You need the tightest dimensional tolerance for precise prints.
- You prefer a standard PLA material for general use.
- You want to know the exact spool diameter for your printer.
Choose eSUN PLA+ 1.75mm 1KG Spool if
- You require higher strength and toughness for functional parts.
- You use high-speed printers like Bambu Lab or Creality K1 series.
- You want a filament with low shrinkage and no cracking.
Verdict: Choose SUNLU if your priority is the tightest dimensional accuracy and standard PLA performance. Select eSUN if you need the enhanced durability of PLA+ and compatibility with high-speed printing workflows.
SUNLU vs eSUN Filament Specs
Material Type
You should start by looking at the base material. SUNLU offers standard PLA filament, which is a reliable choice for general-purpose printing. It is versatile and easy to use for both beginners and experienced makers. eSUN provides PLA+, which is an enhanced version of ordinary PLA. This material has higher strength and better toughness. It is less likely to break and has low shrinkage. This makes it ideal for indoor printing and functional parts. If you need extra durability for mechanical components, eSUN PLA+ is the stronger option. For basic prototypes, standard PLA works well.
Dimensional Accuracy
Dimensional accuracy is critical for consistent extrusion and print quality. SUNLU PLA filament has a dimensional accuracy of +/- 0.02mm. This tight tolerance helps ensure smooth feeding and reduces the risk of clogs or under-extrusion. eSUN PLA+ has a dimensional accuracy of +/- 0.03mm. While still within acceptable limits for most FDM printers, this is slightly less precise than SUNLU. A smaller variance means fewer adjustments to your printer settings. You will likely experience fewer jams with SUNLU due to its tighter diameter control. This spec is important for maintaining consistent layer adhesion and overall print reliability.
Print Speed
Print speed capabilities vary between these two filaments. SUNLU recommends a printing speed of 50-100mm/s for optimal results. This is a standard range suitable for most hobbyist printers. eSUN PLA+ is designed to meet the demands of high-speed printers. It maintains consistent performance at higher speeds and is compatible with machines like the Bambu Lab X1 series and Creality K1. If you own a high-speed 3D printer, eSUN is better suited for your workflow. You can push the limits of your machine without sacrificing quality. For slower, traditional printers, SUNLU remains a solid choice.
Spool Dimensions
Physical spool dimensions affect compatibility with your printer. SUNLU provides specific spool measurements: a diameter of 8.00 inches, a width of 2.50 inches, and a hub hole diameter of 2.20 inches. These sizes are designed to fit many FDM 3D printers. eSUN does not list specific spool dimensions in the provided data. However, it uses a standard 1KG spool format. You should verify that your printer's filament holder can accommodate the SUNLU spool size if space is tight. The explicit dimensions from SUNLU offer more certainty for fitment compared to the unspecified eSUN spool.
Compatibility
Both filaments are designed for broad compatibility with FDM 3D printers. SUNLU PLA has wide compatibility due to its small diameter error, making it suitable for almost all 1.75mm FDM printers. eSUN PLA+ lists compatibility with specific high-end models like Bambu Lab, Creality K1, and AnkerMake M5. It also works with popular brands like Prusa, Ultimaker, and MakerBot. Both products are suitable for standard 1.75mm printers. eSUN explicitly mentions compatibility with newer high-speed machines, which is a key advantage if you use those specific brands. For general use, both are highly compatible.
Which 3D Filament Should You Choose
Beginners seeking simple reliable prints
You should choose SUNLU if you want a straightforward PLA experience. The dimensional accuracy of +/- 0.02mm ensures consistent feeding. This tight tolerance reduces jams and clogs, making it easier for you to achieve high-quality layers. It works well with most 1.75mm FDM printers without complex setup.
Users needing tough functional parts
Pick eSUN PLA+ when you require stronger prints. This enhanced material offers higher strength and better toughness than standard PLA. It resists breaking and cracking, making it ideal for functional components. The low shrinkage and warping ensure stable prints even when you need durable results for machinery or electronics.
High-speed printer owners
Choose eSUN if your printer operates at high speeds. It is explicitly compatible with fast machines like Bambu Lab and Creality K1 series. The filament maintains consistent performance at elevated speeds, ensuring smooth feeding without clogging. This reliability helps you maximize your printer's potential without sacrificing print quality.
Printers requiring specific spool sizes
Select SUNLU if your printer has strict spool dimension requirements. It features an 8.00-inch diameter and 2.50-inch width, fitting many FDM models. The neat winding device ensures a 100% neat rate, reducing tangles. This physical consistency helps your printer handle the spool smoothly during long print jobs.
The products compared
SUNLU 1.75mm Black PLA Filament 1kg
Best for: Standard FDM 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 offers 1.75mm diameter with +/- 0.02mm dimensional accuracy for reliable feeding. The 1KG black spool uses neat winding to reduce tangles and jams. It supports print speeds up to 100mm/s and fits standard 1.75mm FDM printers. The included spool dimensions suit most common printer setups. You get a versatile material suitable for both beginners and experienced users seeking consistent layer adhesion.
Pros
- Dimensional accuracy of +/- 0.02mm ensures wide compatibility
- Neat winding device reduces tangles and jams
- Supports print speeds up to 100mm/s
- Standard 8-inch spool fits most FDM printers
Cons
- Limited to PLA material only
- 1KG spool is smaller than 3KG or 5KG options
- No vacuum-sealed packaging mentioned for moisture protection
Good fit if
- You need reliable dimensional accuracy for precise prints
- You want a standard 1.75mm filament for most printers
- You prefer neat winding to avoid feeding issues
Skip if
- You require high-speed printing beyond 100mm/s
- You need large 3KG or 5KG spools for long runs
- You are printing with materials other than PLA
Verdict: SUNLU PLA 1.75mm 1KG Black is a practical choice for users who value consistent feeding and standard spool compatibility. It suits beginners and experienced makers who prioritize dimensional accuracy over high-speed performance.
eSUN PLA+ 1.75mm 1KG Spool
Best for: high-precision functional prints
- Material Type
- PLA+
- Filament Diameter
- 1.75mm
- Net Weight
- 1 kg
- Dimensional Accuracy
- +/- 0.03mm
- Size
- 1KG
- Weight
- 2.2 pounds
View on Amazon: eSUN PLA+ 1.75mm 1KG Spool Affiliate link
This eSUN PLA+ filament offers a 1.75mm diameter with tight dimensional accuracy of +/- 0.03mm. It is designed for high-speed printing on machines like Bambu Lab and Creality. The material provides higher strength and better toughness than standard PLA. It features a 1KG spool with a length of 340-350m. This spool is ideal for users who need reliable feeding and consistent layer bonding for functional parts.
Pros
- Dimensional accuracy of +/- 0.03mm ensures stable prints
- Enhanced toughness and strength compared to ordinary PLA
- Compatible with high-speed printers like Bambu Lab and Creality
- Tangle-free winding with a total length of 340-350m
Cons
- Limited to PLA+ material type
- Only one color option shown in data
- No mention of moisture-resistant packaging
Good fit if
- You need high dimensional accuracy for precise parts
- You use high-speed FDM 3D printers
- You require stronger prints than standard PLA provides
Skip if
- You need flexible or specialty materials like TPU
- You require a wider variety of colors
- You prefer larger 2KG spools for longer runs
Verdict: eSUN PLA+ 1.75mm 1KG Filament delivers precise dimensions and enhanced strength for reliable high-speed printing. It is best for makers who prioritize dimensional accuracy and part durability over material variety.
Specifications side by side
| Spec | SUNLU 1.75mm Black PLA Filament 1kg | eSUN PLA+ 1.75mm 1KG Spool |
|---|---|---|
| Material Type | PLA | PLA+ |
| Filament Diameter | 1.75mm | 1.75mm |
| Net Weight | 1kg | 1 kg |
| Max Print Speed | 100mm/s | not stated |
| Dimensional Accuracy | ±0.02mm | +/- 0.03mm |
| Printing Technology | FDM | not stated |
| Compatible Material | PLA | PLA |
| Color | Black | Magenta |
| Size | 1KG | 1KG |
| Surface Finish | Smooth | not stated |
| 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 | PLA+175M1KG |
Frequently asked questions
Is SUNLU PLA better for beginners than eSUN PLA+?
SUNLU PLA is a practical choice for users who value consistent feeding and standard spool compatibility. It suits beginners who prioritize dimensional accuracy over high-speed performance. The standard PLA formula is versatile and easy to use for general-purpose printing without complex settings.
Does eSUN PLA+ offer better strength than standard SUNLU PLA?
Yes, eSUN PLA+ delivers enhanced strength for reliable high-speed printing. It is best for makers who prioritize part durability and dimensional accuracy. This filament is ideal for functional prints where standard PLA might lack the necessary toughness for end-use components.
What is the dimensional accuracy of eSUN PLA+ filament?
eSUN PLA+ features a dimensional accuracy of +/- 0.03mm. This tight tolerance ensures precise dimensions for your prints. You can expect consistent layer adhesion and reliable results, which is crucial for functional parts that require exact measurements and fit.
Are both SUNLU and eSUN filaments available in 1KG spools?
Yes, both brands offer their primary PLA options in 1KG sizes. SUNLU provides a 1KG spool of standard PLA, while eSUN offers a 1KG spool of PLA+. This standard weight allows for predictable print volume calculations and fits most standard FDM printers.
Can I use SUNLU PLA for high-speed printing?
SUNLU PLA is designed for standard FDM printing with reliable feeding rather than high-speed performance. It is not optimized for the speeds that eSUN PLA+ handles well. If you need to print quickly without sacrificing accuracy, eSUN PLA+ is the more suitable option.
What color options are available for these filaments?
SUNLU offers this specific model in Black. eSUN provides its PLA+ in K-magenta. While color choices vary, both brands focus on consistent coloration within their respective product lines to ensure your prints look as intended without unexpected hue shifts during the printing process.