97人妻碰碰视频免费上线_聚四氟乙烯墊片、墊圈-氣動(dòng)蝶閥四氟橡膠復合閥座_聚四氟橡膠復合件_鐵嶺九鼎橡塑制品公司

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產(chǎn)品展示

聚四氟乙烯墊片、墊圈

產(chǎn)品簡(jiǎn)介

聚四氟乙烯墊片選用懸浮聚四氟乙烯樹(shù)脂經(jīng)模壓、車(chē)削而成的各種規格墊片。聚四氟乙烯與其它塑料相比具有耐化學(xué)腐蝕性耐高溫優(yōu)異的特點(diǎn)，所以被廣泛地應用于密封材料。

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