eSUN PLA-GF White Glass Fiber Reinforced PLA Filament 1 kg
eSUN PLA-GF White is a white glass fiber reinforced PLA filament for FDM/FFF 3D printing. It is designed for applications where regular PLA is not rigid or wear-resistant enough: mechanical prototypes, temporary functional parts, housings, brackets, gears, jigs, fixtures, engineering mockups and technical models.
Thanks to glass fiber reinforcement, PLA-GF provides higher rigidity, improved wear resistance, stable geometry and better mechanical performance compared with standard PLA. It is a practical material for technical 3D printing where stiffness, dimensional stability and functional reliability matter.
Important: PLA-GF is an abrasive filament. A hardened steel nozzle, ruby nozzle or another wear-resistant nozzle is recommended. A standard brass nozzle may wear quickly, especially during long print jobs.
✅ Key advantages
- Glass fiber reinforcement: improves rigidity and dimensional stability of printed parts.
- High rigidity: parts hold their shape better under load compared with regular PLA.
- Improved wear resistance: suitable for temporary functional parts, guides, holders and gears.
- Good impact resistance: printed parts better tolerate mechanical stress.
- Stable printing: suitable for technical prototypes and engineering applications.
- White color: convenient for test parts, housings, technical samples and marking.
- Low warping: helps produce accurate geometric parts.
- Engineering-oriented: useful for jigs, fixtures, brackets and working prototypes.
📐 Technical specifications
| Property | Value |
|---|---|
| Brand | eSUN |
| Material | PLA-GF / ePLA-GF |
| Material type | Glass fiber reinforced PLA |
| Color | White |
| Diameter | 1.75 mm |
| Net weight | 1 kg |
| Print technology | FDM / FFF |
| Main use | Mechanical prototypes, temporary functional parts, gears, housings, brackets, jigs and fixtures |
📊 Physical and mechanical properties
| Property | Value |
|---|---|
| Density | 1.31 g/cm³ |
| Melt flow index | 6.36 g/10 min at 190 ℃ / 2.16 kg |
| Tensile strength | 59.27 MPa |
| Elongation at break | 7.99% |
| Flexural strength | 85.01 MPa |
| Flexural modulus | 4414.89 MPa |
| IZOD impact strength | 10.16 kJ/m² |
| Heat distortion temperature | 56 ℃ |
⚙️ Recommended Printing Parameters
| Parameter | Recommended value |
|---|---|
| Nozzle temperature | 190–230 ℃ |
| Bed temperature | 45–60 ℃ |
| Printing speed | 40–100 mm/s; up to <150 mm/s after profile tuning |
| Fan speed | 100% as a starting point; reduce after testing if higher strength is needed |
| Recommended nozzle | Hardened steel, ruby or another wear-resistant nozzle |
| Heated bed | Recommended |
| Recommended surface | PEI, textured PEI sheet, glass with adhesive or another PLA-compatible surface |
🔧 Printing recommendations
- For the first profile, start with 210–220 ℃ nozzle temperature and 50–60 ℃ bed temperature.
- Use a hardened steel or ruby nozzle because glass fiber wears brass nozzles.
- For long print jobs, a wear-resistant extruder gear is recommended.
- Avoid sharp bends in the filament path because PLA-GF is rigid and does not tolerate tight bends well.
- For strong parts, use 4 or more walls.
- For temporary functional parts and gears, use enough infill: 30–60% or higher depending on the application.
- If maximum layer bonding is needed, reduce fan speed after test printing.
- Enable Z seam alignment and reduce unnecessary travel moves to improve surface appearance.
- If clogging or unstable extrusion appears after long printing, check the nozzle, heat break and feeding mechanism.
🧩 Best applications
- ⚙️ Mechanical part prototypes.
- 🔩 Brackets, holders, mounts and assembly parts.
- ⚙️ Gears and temporary functional parts.
- 📦 Housings, covers, lids and technical panels.
- 🛠️ Jigs, fixtures, templates and production mockups.
- 🚗 Automotive prototypes and test parts.
- 🔌 Parts for electronics, devices and engineering mockups.
- 📐 Models where rigidity, dimensional accuracy and stable geometry are important.
✅ 3D printer compatibility
eSUN PLA-GF White is compatible with most FDM/FFF 3D printers that use 1.75 mm filament and support a 190–230 ℃ nozzle temperature range. It can be used with Creality Ender/K1, Bambu Lab A1/P1/X1, Prusa MK/XL/MINI, Anycubic Kobra, Elegoo Neptune, Sovol, QIDI, Flashforge and other popular 3D printers.
Before printing on a standard printer, replacing the brass nozzle with a wear-resistant nozzle is recommended. For Bowden systems, make sure the filament path does not contain sharp bends. Direct Drive systems usually provide more stable feeding, especially with rigid composite materials.
📦 Storage and preparation
- Store the filament in a dry place, preferably in a sealed bag or container with desiccant.
- Do not leave the spool exposed in a humid room for a long time.
- If bubbles, popping, unstable extrusion or poor surface quality appear, dry the material before printing.
- Before critical prints, make a test part to tune temperature, fan speed and printing speed.
- After printing, check nozzle condition, especially if a brass nozzle was used.
📄 File Download: technical files and certificates
- MSDS/SDS — material safety data sheet.
- TDS — technical data sheet with printing parameters and material properties.
- REACH — SVHC report.
- RoHS — restricted substances report.
🛡️ Safety
PLA-GF is not classified as a hazardous chemical according to SDS/GHS, but normal ventilation, avoiding overheating, careful handling around the hot nozzle and storage away from heat, sparks and open flames are still recommended during 3D printing. When servicing the printer after composite filament printing, avoid inhaling dust and clean the working area carefully.
❓ FAQ
No. PLA-GF is a glass fiber reinforced PLA filament. It is more rigid and wear-resistant than regular PLA and is better suited for technical applications. Yes. A hardened steel, ruby or another wear-resistant nozzle is recommended. A brass nozzle may wear quickly. Yes, if the printer supports 1.75 mm filament and a 190–230 ℃ nozzle temperature range. However, a wear-resistant nozzle and a clean feeding path are recommended. PLA-GF can be used for gears and temporary functional parts. For long-term use under heavy load, specialized engineering materials are usually a better choice. Usually, an enclosed chamber is not required. For larger parts, avoid drafts and sudden temperature changes. PLA-GF is reinforced with glass fiber, while PLA-CF is reinforced with carbon fiber. PLA-GF focuses on rigidity, wear resistance and technical stability, while PLA-CF is often chosen for lightweight rigid parts with a carbon-fiber appearance.Is PLA-GF regular PLA?
Does PLA-GF need a special nozzle?
Can PLA-GF be printed on a regular 3D printer?
Is PLA-GF suitable for gears?
Does PLA-GF require an enclosed chamber?
What is the difference between PLA-GF and PLA-CF?
🚀 Why buy
eSUN PLA-GF White 1 kg is a strong choice for printing rigid technical prototypes, temporary functional parts, gears, housings, brackets and engineering mockups. It combines PLA-like printability with the advantages of glass fiber reinforcement, offering higher rigidity, wear resistance and stable part geometry.