Chemlon® ALF20Polyamide 66Chem Polymer公司产品说明：ALF20 is a self-lubricating grade of nylon 66 containing both PTFE and Silicone. It offers outstanding surface wear characteristics of moulded parts. It is intended for use in applications such as bearings and mechanical parts.物性信息：基本信息添加剂PTFE+硅酮润滑剂特性低摩擦系数耐磨损性良好润滑自润滑用途机器/机械部件轴承加工方法注射成型物理性能额定值单位制测试方法密度1.25g/cm³ISO 1183机械性能额定值单位制测试方法拉伸应力60.0MPaISO 527-2拉伸应变 (断裂)4.0%ISO 527-2弯曲模量2800MPaISO 178磨损因数2410^-8 mm³/N·m内部方法冲击性能额定值单位制测试方法悬壁梁缺口冲击强度4.0kJ/m²ISO 180/A热性能额定值单位制测试方法热变形温度 0.45 MPa, 未退火> 200°CISO 75-2/B 1.8 MPa, 未退火95.0°CISO 75-2/A注射额定值单位制干燥温度80.0°C干燥时间2.0hr料筒后部温度270 到 290°C料筒中部温度270 到 290°C料筒前部温度270 到 290°C加工（熔体）温度270 到 290°C模具温度20.0 到 40.0°C注射速度快速Back PressureLowScrew SpeedModerate注射说明No drying is necessary unless the material has been exposed to air for longer than three hours. The appearance of splash marks on the surface of mouldings indicates excessive moisture is present备注说明：经润滑、耐磨损性良、自润滑