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Chemraz 504,低壓縮永久變形率PTFE, 耐低溫PTFE, 良好的抗蠕變性ptfe, 密封裝置ptfe,防磨條ptfe,墊圈ptfe,軸承ptfe
Chemraz 504
聚四氟乙烯
Greene, Tweed & Co.

產品說明

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.

總體

材料狀態 • 已商用：當前有效   
供貨地區 • 北美洲   
性能特點 • 低壓縮永久變形率PTFE, 耐低溫PTFE 墊圈• 耐低溫 • 耐化學性良好 
用途 • 墊圈 • 密封 • 型號 
 • 閥門/閥門部件 • 水暖器材  
    
外觀 • 黑色   
形式 • 顆粒料   
    
物理性能  額定值單位制 測試方法 
比重  1.95g/cm³ ASTM D297 
彈性體  額定值單位制 測試方法 
拉伸應力   ASTM D1414 
50%應變  1.24MPa  
100%應變  3.65MPa  
抗張強度 (斷裂)  7.24MPa ASTM D1414 
伸長率 (斷裂)  150% ASTM D1414 
壓縮永久變形 2 (204°C, 70.0 hr)  30% ASTM D395 
硬度  額定值單位制 測試方法 
硬度計硬度 (邵氏 A)  65 ASTM D2240 
熱性能  額定值單位制  
Service Temperature  -22 到 446°C  

備注
1 一般屬性：這些不能被視為規格。

2 25% Deflection

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