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Standard flange gasket for pipeline valves
Rubber sealing strip series
PTFE-rubber sealing gasket series
Fluorine rubber plate series
Other rubber sheet series
Manhole equipment/marine sealing gasket series
Non standard customized product
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Sales phone number (Manager Han): 15127659391
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机械行业
机械行业
机械密封材料应满足密封功能的要求。由于被密封的介质不同,以及设备的工作条件不同,要求密封材料的具有不同的适应性。对密封材料的要求一般是: 1)材料致密性好,不易泄露介质; 2)有适当的机械强度和硬度; 3)压缩性和回弹性好,永久变形小; 4)高温下不软化,不分解,低温下不硬化,不脆裂; 5)抗腐蚀性能好,在酸,碱,油等介质中能长期工作,其体积和硬度变化小,且不粘附在金属表面上; 6)摩擦系数小,耐磨性好; 7)具有与密封面结合的柔软性; 8)耐老化性好,经久耐用; 9)加工制造方便,价格