杜邦 POM Delrin 570 高强度

杜邦 POM Delrin  570  高强度经销美国杜邦20%GF增强髙刚POM Delrin 570Density1.56g/cm³ISO 1183Melt Volume-Flow Rate (MVR) (190°C/2.16 kg)7.00cm³/10minISO 1133Molding ShrinkageISO 294-4Across Flow1.2%Flow1.8Water AbsorptionISO 62Saturation, 23°C, 2.00 mm0.80Equilibrium, 23°C, 2.00 mm, 50% RH0.10HardnessNominal ValueUnitTest MethodBall Indentation Hardness (H 961/30)160MPaISO 2039-1MechanicalNominal ValueTensile Modulus4900ISO 527-2Tensile Stress (Break)53.0ISO 527-2Tensile Strain (Break)12ISO 527-2Flexural Modulus4600ISO 178Poisson&＃39;s Ratio0.35ImpactNominal ValueCharpy Notched Impact StrengthISO 179/1eA-30°C3.0kJ/m²23°C3.5Charpy Unnotched Impact StrengthISO 179/1eU-30°C5054Notched Izod Impact Strength (23°C)6.0ISO 180/1AThermalNominal ValueHeat Deflection Temperature0.45 MPa, Unannealed165°CISO 75-2/B1.8 MPa, Unannealed125ISO 75-2/AVicat Softening TemperatureISO 306/B50Melting Temperature 3178ISO 11357-3POM是结晶型塑料,密度为1.42g/cm3,它的钢性很好,俗称“赛钢”.它具有耐疲劳、耐蠕变 耐热、耐冲击等优良的性能,且摩擦系数小,自润滑性好.POM不易吸湿,吸水率为0.22～0.25%,在潮湿的环境中尺寸稳定性好,其收缩率为2.1%(较大),注塑时尺寸较难控制,热变形温度为172℃