Yuntianhua® M25 POM
Plastic Granules
Yuntianhua® M25 Pellets Acetal Copolymer Extrusion Grade
Yuntianhua® M25 is a high-impact POM copolymer resin with increased molecular weight. It offers good toughness, high stiffness, low friction, and excellent wear resistance. With an MFR of 2.5 g/10 min, it is suitable for extrusion and injection molding of rods, sheets, and durable mechanical parts.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Density: 1.41 g/cm³ (ISO 1183)
- Melt Mass-Flow Rate, MFR at 190°C / 2.16 kg: 2.5 g/10 min (ISO 1133)
- Water Absorption, 24 hr at 23°C: 0.6% (ISO 62)
Mechanical Properties
- Tensile Stress at Yield: 60 MPa (ISO 527-2)
- Tensile Modulus: 2550 MPa (ISO 527-2)
- Strain at Break: 40% (ISO 527-2)
- Flexural Strength: 81 MPa (ISO 178)
- Flexural Modulus: 2350 MPa (ISO 178)
- Charpy Notched Impact Strength: 8.0 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature, 1.8 MPa, Unannealed: 90°C (ISO 75)
Flame Characteristics
- UL Flame Rating: HB class (UL 94)
Injection Molding Conditions
- Material Drying Temperature: 80–90°C
- Material Drying Time: 3–4 hours
- Nozzle Temperature: 180–210°C
- Front Section Temperature: 190–210°C
- Center Section Temperature: 170–200°C
- Rear Section 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
Extrusion Conditions
- Extruder Type: Standard extruders with grooved feed zone and short compression screws
- Minimum Screw Length: 25D
- Extrusion Melt Temperature: 180–190°C
Use & Applications
- Extruded rods
- Extruded sheets
- roller conveyor parts