Yuncon® N90 POM
Plastic Granules
Yuncon® N90 POM Pellets Standard-flow Acetal Copolymer
Yuncon® N90 is a standard-flow POM copolymer resin. It offers 61 MPa tensile strength, 2600 MPa modulus, and low 0.3% water absorption. It has good stiffness, wear resistance, low friction, and stable molding. Suitable for gears, bearings, fittings, valves, and automotive parts.
Typical property data
Physical Properties
- Density: 1.41 g/cm³ (ISO 1183)
- Melt Mass-Flow Rate, MFR: 9 g/10 min at 190°C / 2.16 kg (ISO 1133)
- Water Absorption: 0.3% after 24 hr at 23°C (ISO 62)
Mechanical Properties
- Tensile Stress at Yield: 61 MPa (ISO 527-2)
- Tensile Modulus: 2600 MPa (ISO 527-2)
- Strain at Break: 35% (ISO 527-2)
- Flexural Strength: 90 MPa (ISO 178)
- Flexural Modulus: 2600 MPa (ISO 178)
- Charpy Notched Impact Strength: 6.0 kJ/m² (ISO 179/1eA)
Thermal Properties
- Heat Deflection Temperature: 95°C at 1.8 MPa, unannealed (ISO 75)
Flame Characteristics
- UL Flame Rating: HB class (UL 94)
Electrical Properties
- Good electrical properties
Injection Molding Conditions
- Material Drying Temperature: 80–90°C
- Material Drying Time: 3–4 hr
- 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
- Precision Part 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
Injection Molding Conditions
- Extruder Type: Standard extruder with grooved feed zone and short compression screw
- Minimum Screw Length: 25D
- Extrusion Melt Temperature: 180–190°C
Use & Applications
- Automotive Electronics
- Automotive Exterior Parts
- Automotive Under-the-Hood Components
- Bearings
- Fittings
- Gears
- Piping
- Pump Parts
- Thin-Walled Parts
- Valves and Valve Parts
- Wheels