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Chemraz 504,低压缩永久变形率PTFE, 耐低温PTFE, 良好的抗蠕变性ptfe, 密封装置ptfe,防磨条ptfe,垫圈ptfe,轴承ptfe
Chemraz 504
聚四氟乙烯
Greene, Tweed & Co.

产品说明

Greene, Tweed's Chemraz® 504, a 65 Shore A hardness perfluoro-elastomer, provides an extremely broad range of chemical resistance and is perfect for services with low pressure and/or temperatures. Chermaz 504 seals effectively in temperatures ranging from -22°F to 446°F (-30°C to 230°C). Chemraz 504 is well suited for a variety of applications, from mechanical seals to valve housings.

Chemraz 504 is available for use as O-rings, gaskets and many other custome shapes. Because of its versatility, Chemraz 504 is often used as a standard compound and can be found in a variety of fluids ans solutions including acids, caustics, aldehydes, esters, aromatics, hot water, steam, amines, methanol, ketones, TBA and MTBE.

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PTFE, 耐低温PTFE 垫圈• 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  1.95g/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  1.24MPa  
100%应变  3.65MPa  
抗张强度 (断裂)  7.24MPa ASTM D1414 
伸长率 (断裂)  150% ASTM D1414 
压缩永久变形 2 (204°C, 70.0 hr)  30% ASTM D395 
硬度  额定值单位制 测试方法 
硬度计硬度 (邵氏 A)  65 ASTM D2240 
热性能  额定值单位制  
Service Temperature  -22 到 446°C  

备注
1 一般属性：这些不能被视为规格。

2 25% Deflection

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