橡膠密封件原料特性 PROPERTIES OF SEAL ELEMENTMATERIALS ELEMENT MATERIALS COMMON NAME 原材料一般名稱 | NITRILE 丁腈橡膠 | NEOPRENE 氯丁橡膠 | SILICONE 矽橡膠 | FLUORO-ELASTOMER 氟橡膠 | ETHYLENE-PROPYLENE 乙烯-丙烯橡膠 | ASTM DESIGNATION 美國材料實驗標準名稱 | NBR R | CR C | SI S | FKM V | EPDM E |
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TEMPERATURE PROPERTIES 溫度特性 RANGE℃ 溫度範圍 攝氏 | -40~+120 | -30~+110 | -70~+190 | -40~+200 | -40~+150 | WEATHER 抗風(fēng)化性能 | G | E | E | E | E | FLAME 抗火焰性能 | P | G | E | E | E |
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MECHANICAL PROPERTIES 機械特性 TENSILE STRENGTH 延展性 | E | G | P | E | F | ELONGATION 伸張度 | G | G | P | G | G | COMPRESSION SET 還原度 | E | F | E | G | F | RESILIENCE 彈性 | G | G | P | F | G | ABRASION 抗磨性 | E | E | F | G | F | IMPACT 防衝擊性 | F | G | F | G | G | TEAR 抗撕裂性 | G | G | F | F | F | ELECTRICAL 絕緣性 | F | F | G | F | F |
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ENVIRONMENTALPROPERTIES 環(huán)境特性 LUBRICANTS 潤滑脂 | E | G | G | E | E | IND.FLUIDS 工業(yè)流體 | G | G | F | E | P | CHEMICAL 化學(xué)品 | F | F | G | E | F | OZONE 臭氧 | P | G | E | E | E | ACID 酸類 | F | G | G | E | G | ALKALI 堿類 | F | G | F | G | G | ALCOHOLS 酒精類 | G | F | E | E | F | WATER 水 | G | F | G | G | G | RADIATION 輻射 | F | F | G | G | G | STEAM 蒸汽 | G | F | G | G | G |
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E=EXCELLENT(優(yōu)良) G=GOOD(良好) F=FAIR(一般) P=POOR(**) NOTE: The above indicated data are generalsuitability of each element, Some variation can be occurred bydifferent material compounding. 注:上述指示數(shù)據(jù)一般適用上列元素,不同的混合物會出現(xiàn)一些其它變化。 |