橡胶密封件原料特性 PROPERTIES OF SEAL ELEMENTMATERIALS ELEMENT MATERIALS COMMON NAME 原材料一般名称 | NITRILE 丁腈橡胶 | NEOPRENE 氯丁橡胶 | SILICONE 硅橡胶 | FLUORO-ELASTOMER 氟橡胶 | ETHYLENE-PROPYLENE 乙烯-丙烯橡胶 | ASTM DESIGNATION 美国材料实验标准名称 | NBR R | CR C | SI S | FKM V | EPDM E |
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TEMPERATURE PROPERTIES 温度特性 RANGE℃ 温度范围 摄氏 | -40~+120 | -30~+110 | -70~+190 | -40~+200 | -40~+150 | WEATHER 抗风化性能 | G | E | E | E | E | FLAME 抗火焰性能 | P | G | E | E | E |
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MECHANICAL PROPERTIES 机械特性 TENSILE STRENGTH 延展性 | E | G | P | E | F | ELONGATION 伸张度 | G | G | P | G | G | COMPRESSION SET 还原度 | E | F | E | G | F | RESILIENCE 弹性 | G | G | P | F | G | ABRASION 抗磨性 | E | E | F | G | F | IMPACT 防冲击性 | F | G | F | G | G | TEAR 抗撕裂性 | G | G | F | F | F | ELECTRICAL 绝缘性 | F | F | G | F | F |
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ENVIRONMENTALPROPERTIES 环境特性 LUBRICANTS 润滑脂 | E | G | G | E | E | IND.FLUIDS 工业流体 | G | G | F | E | P | CHEMICAL 化学品 | F | F | G | E | F | OZONE 臭氧 | P | G | E | E | E | ACID 酸类 | F | G | G | E | G | ALKALI 碱类 | F | G | F | G | G | ALCOHOLS 酒精类 | G | F | E | E | F | WATER 水 | G | F | G | G | G | RADIATION 辐射 | F | F | G | G | G | STEAM 蒸汽 | G | F | G | G | G |
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E=EXCELLENT(优良) 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:上述指示数据一般适用上列元素,不同的混合物会出现一些其它变化。 |