上海际秋橡塑制品有限公司

日本大金聚四氟乙烯M-18POLYFLON?M-18 
 聚四氟乙烯 M-18
 特性:低摩擦系数低温强度高分子量均聚物 耐化学性良好无粘性粘度，高 
 用途:包装泵件衬里 衬套带子电气元件垫圈隔膜管道系统绝缘屏蔽连接器实验室器具 通用 轴承 
 机构评级          FDA21CFR177.1550 
 形式           粉状 
 加工方法:烧结:压缩模塑 
物理性能                    额定值             单位制               测试方法 
比重                       2.16                g/cm3               ASTMD4894 
表观密度                    0.48                g/cm3                ASTMD4894 
收缩率-流动                 3.2                 %                  内部方法 
 机械性能                    额定值             单位制               测试方法 
抗张强度  (屈服，1.50mm)       43.0                MPa                ASTMD4894 
伸长率  (断裂，1.50mm)         400                 %                  ASTMD4894 
压缩强度                                                           ASTMD695 
   0%应变1                 7.80               MPa                ASTMD695 
   1%应变2                 5.00               MPa                ASTMD695 
  25%应变3                 28.1                MPa                ASTMD695 
负载变形                                                           ASTMD621 
  25°C，14MPa               17.2                %                  ASTMD621 
 100°C，14MPa              33.3                %                  ASTMD621 
 200°C，6.9MPa              27.0                %                  ASTMD621 
弹性体                    额定值              单位制                 测试方法 
 压缩永久变形                                                       ASTMD621 
   25°C4                  8.6                 %                   ASTMD621 
  100°C5                 20              &nbs