日本大金聚四氟乙烯M-18POLYFLON?M-18 
 聚四氟乙烯 M-18
 特性:低摩擦系數(shù)低溫強(qiáng)度高分子量均聚物 耐化學(xué)性良好無(wú)粘性粘度,高 
 用途:包裝泵件襯里 襯套帶子電氣元件墊圈隔膜管道系統(tǒng)絕緣屏蔽連接器實(shí)驗(yàn)室器具 通用 軸承 
 機(jī)構(gòu)評(píng)級(jí)          FDA21CFR177.1550 
 形式           粉狀 
 加工方法:燒結(jié):壓縮模塑 
物理性能                    額定值             單位制               測(cè)試方法 
比重                       2.16                g/cm3               ASTMD4894 
表觀密度                    0.48                g/cm3                ASTMD4894 
收縮率-流動(dòng)                 3.2                 %                  內(nèi)部方法 
 機(jī)械性能                    額定值             單位制               測(cè)試方法 
抗張強(qiáng)度  (屈服,1.50mm)       43.0                MPa                ASTMD4894 
伸長(zhǎng)率  (斷裂,1.50mm)         400                 %                  ASTMD4894 
壓縮強(qiáng)度                                                           ASTMD695 
   0%應(yīng)變1                 7.80               MPa                ASTMD695 
   1%應(yīng)變2                 5.00               MPa                ASTMD695 
  25%應(yīng)變3                 28.1                MPa                ASTMD695 
負(fù)載變形                                                           ASTMD621 
  25°C,14MPa               17.2                %                  ASTMD621 
 100°C,14MPa              33.3                %                  ASTMD621 
 200°C,6.9MPa              27.0                %                  ASTMD621 
彈性體                    額定值              單位制                 測(cè)試方法 
 壓縮永久變形                                                       ASTMD621 
   25°C4                  8.6                 %                   ASTMD621 
  100°C5                 20              &nbs
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