内容编辑

Chemraz 505
聚四氟乙烯
Greene, Tweed & Co.

产品说明

Greene, Tweed's Chemraz® 505 a perfluoroelastomer, provided a broad range of chemical resistance. Chemraz 505 is available for use as O-rings, galskets and many other custom shapes. Because of its versatility, Chemraz 505 is often used as a standard compound and can be found in a variety of applications including acids, caustics, aldehydes, esters, ethers, aromatics, hot water, steam, amines, methanol, Ketones, TBA and MTBE. With a temperature range of -22°F to 446°F (-30°C to 230°C), Chemraz 505 is ideal for processes taking place in subzero temperatures as well as for use in multisubstance plants for in mixed media due to its broad chemical resistance.

总体

材料状态 • 已商用：当前有效   
供货地区 • 北美洲   
性能特点 • 低压缩永久变形率 • 耐低温 • 耐化学性良好 
用途 • 垫圈 • 密封 • 型号 
 • 阀门/阀门部件 • 水暖器材  
    
外观 • 黑色   
形式 • 颗粒料   
    
物理性能  额定值单位制 测试方法 
比重  1.93g/cm³ ASTM D297 
弹性体  额定值单位制 测试方法 
拉伸应力   ASTM D1414 
50%应变  3.10MPa  
100%应变  7.93MPa  
抗张强度 (断裂)  12.1MPa ASTM D1414 
伸长率 (断裂)  140% ASTM D1414 
压缩永久变形 2 (204°C, 70.0 hr)  25% ASTM D395 
硬度  额定值单位制 测试方法 
硬度计硬度 (邵氏 A)  75 ASTM D2240 
热性能  额定值单位制  
Service Temperature  -30 到 230°C  

备注
1 一般属性：这些不能被视为规格。

2 25% Deflection