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Standard flange gasket for pipeline valves
Rubber sealing strip series
PTFE-rubber sealing gasket series
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Manhole equipment/marine sealing gasket series
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Non standard customized product
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Non standard customized product
测试产品10
第三方换个就要回家要
测试产品9
天然橡胶(NR)是一种以顺-1,4-聚异戊二烯为主要成分的天然高分子化合物,其成分中91%~94%是橡胶烃(顺-1,4-聚异戊二烯),其余为蛋白质、脂肪酸、灰分、糖类等非橡胶物质。天然橡胶是应用最广的通用橡胶。