Yuntianhua® ST-10 POM
Plastic Granules
Yuntianhua® ST-10 Impact Modified Pellets Acetal Copolymer
Yuntianhua® ST-10 is an impact-modified POM copolymer resin for injection molding. It offers higher toughness and impact resistance than standard M90 POM. It also maintains good wear resistance, fatigue resistance, and chemical resistance. Suitable for clips, gears, sleeves, and gaskets.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.37 g/cm³ (ISO 1183)
- Melt Mass-Flow Rate, MFR: 7 g/10 min at 190°C / 2.16 kg (ISO 1133)
- Water Absorption: 0.6% after 24 hr at 23°C (ISO 62)
Mechanical Properties
- Tensile Stress at Yield: 45 MPa (ISO 527-2)
- Tensile Modulus: 1800 MPa (ISO 527-2)
- Strain at Break: 60% (ISO 527-2)
- Flexural Strength: 60 MPa (ISO 178)
- Flexural Modulus: 1700 MPa (ISO 178)
- Charpy Notched Impact Strength: 10 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature: 75°C at 1.8 MPa, unannealed (ISO 75)
Flame Characteristics
- UL Flame Rating: HB class (UL 94)
Injection Molding Conditions
- Material Drying Temperature: 80–90°C
- Material Drying Time: 2–4 hours
- Nozzle Temperature: 180–200°C
- Front Section Temperature: 180–200°C
- Center Section Temperature: 170–190°C
- Rear Section Temperature: 160–180°C
- Melt Temperature: 170–200°C
- Mold Temperature: 60–90°C
- Precision Parts Mold Temperature: 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
- Automotive clips
- gears
- sleeves
- gaskets
- mudguard clips
- spoiler clips
- bumper clips