Yuntianhua® GF-20 POM
Plastic Granules
Yuntianhua® GF-20 Pellets 20% Glass Fiber Reinforced POM
Yuntianhua® GF-20 is a 20% glass fiber reinforced POM copolymer. It offers high stiffness, low shrinkage, and improved creep resistance. HDT reaches 160°C. Tensile modulus is 7000 MPa. Suitable for gears, bearings, valves, cams, and precision molded parts.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.57 g/cm³ (ISO 1183)
- Melt Mass-Flow Rate, MFR at 190°C / 2.16 kg: 6 g/10 min (ISO 1133)
- Water Absorption, 24 hr at 23°C: 0.6% (ISO 62)
Mechanical Properties
- Tensile Stress at Yield: 110 MPa (ISO 527-2)
- Tensile Modulus: 7000 MPa (ISO 527-2)
- Strain at Break: 2.8% (ISO 527-2)
- Flexural Strength: 130 MPa (ISO 178)
- Flexural Modulus: 6000 MPa (ISO 178)
- Charpy Notched Impact Strength: 5.5 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature, 1.8 MPa, Unannealed: 160°C (ISO 75)
Flame Characteristics
- UL Flame Rating: HB class (UL 94)
Injection Molding Conditions
- Material Drying Temperature: 100–120°C
- Material Drying Time: 2–4 hours
- Nozzle Temperature: 180–210°C
- Front Cylinder Temperature: 180–210°C
- Center Cylinder Temperature: 170–200°C
- Rear Cylinder Temperature: 160–180°C
- Melt Temperature: 180–210°C
- Mold Temperature: 60–90°C
- Mold Temperature for Precision Parts: Up to 120°C
- Injection Pressure: 50–100 MPa
- Holding Pressure: 30–80 MPa
- Back Pressure: 0–0.5 MPa
- Screw Rotational Speed: 50–120 rpm
Use & Applications
- Oil box cover
- Gear
- Accelerator pedal
- Radiator cover
- Bearing
- Conveyor belt
- Valve
- Cam
- Impeller