Fibreheart TPU-GF Filament TDS
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1. Specification
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Specification |
Value |
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Name |
TPU-GF |
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Material |
Thermoplastic Polyurethane + 15% short cut glass fiber |
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Version |
1KG |
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Net Weight KG |
1 |
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Color |
Black |
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SKU |
ST3032 |
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Filament Density g/cm³ |
1.32 |
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Diameter |
1.75±0.03 mm |
2. Property Data
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Mechanical Properties |
Value |
Method |
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Tensile Stress at Break X-Y (MPa) |
32 |
ASTM D638 |
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Young’s Modulus X-Y (MPa) |
445 |
ASTM D638 |
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Elongation at Break X-Y (%) |
80 |
ASTM D638 |
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Charpy impact strength (KJ/m^2) |
Did not break |
ISO 179 |
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Bending Strength (MPa) |
15 |
ISO 178 |
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Bending Modulus (MPa) |
450 |
ISO 178 |
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Tensile stress at 100% (MPa) |
8.3 |
ASTM D412 |
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Tensile stress at 200% (MPa) |
8.8 |
ASTM D412 |
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Tensile stress at 300% (MPa) |
9.5 |
ASTM D412 |
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Other Properties |
Value |
Method |
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Vicat softening temperature (℃) |
157.3 |
ISO 306 |
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Shore Hardness D |
67 |
ISO 7619 |
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Melting Point (℃) |
230 |
ASTM D3418 |
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Filament Density g/cm³ |
1.32 |
ISO 1183 |
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Water Absorption % |
1.69 |
ISO 62 Method 1 |
3. Preparing for Printing
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Drying |
50-60°C for 6+ hours |
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Compatible Build surfaces |
Glass, PEI Film, or PVP Glue Stick |
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Enclosure |
Not mandatory, but it is recommended |
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Nozzle material |
Carbon-hardened, hardened steel or higher-grade nozzles |
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AMS compatibility |
AMS/AMS Lite compatible, AMS 2 incompatible |
Wear Warning: Glass fiber is abrasive. While compatible, extensive use may accelerate wear on the AMS internal plastic filament paths and feeder gears. Monitor your AMS components over time.
4. Printing with TPU-GF
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Nozzle Temperature |
240-270°C |
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Recommended Nozzle Diameter |
0.4mm or larger |
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Build Plate Temperature |
40-60°C |
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Cooling Fan Speed |
20-50% |
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Print Speed |
30-100mm/s |
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Retraction Speed |
25-35mm/s |
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Retraction distance for Direct Drive |
0.8mm - 1.5mm |
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Retraction distance for Bowden |
2.0mm - 4.0mm (tune carefully) |
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Recommend Layer Height |
≥ 0.2mm |
5. Moisture Management
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Storage Tip |
Recommendation |
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Sealed Packaging |
Store in a sealed aluminum foil bag to prevent moisture. |
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Use Desiccants |
Add desiccants to absorb moisture and keep the material dry. |
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Avoid Sunlight & Heat |
Keep away from direct sunlight and high temperatures to prevent degradation. |
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Temperature Control |
Store at room temperature; avoid extreme heat or cold. |
6. Troubleshooting Common Issues
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Issue |
Diameter inconsistencies |
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Solution |
Please check if accidentally used a brass nozzle. It may have widened. |
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Issue |
Brittle Parts |
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Solution |
Usually indicates moisture. Dry the filament longer. |
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Issue |
Clogging |
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Solution |
Ensure your retraction distance is not too high. Heat creep can cause the fibers to bunch up in the cold zone. |