英文缩写为PTFE(俗称"塑料王"),商标名Teflon®。这种材料制品具有抗酸抗碱、耐高温、抗各种有机溶剂的特点。在化工制药行业中应用极为广泛,堪称垫片界的鼻祖。
聚四氟乙烯垫片又分为:纯四氟垫片,膨胀四氟,增强四氟,填充四氟等。
PTFE gaskets divided into: pure PTFE gaskets, expanded PTFE gaskets, reinforcing PTFE gaskets, packing PTFE gaskets, etc.
阀体法兰突面上有聚四氟乙烯实体起垫片的作用。
It has a solid one-piece PTFE liner that extends over the raised face portion of the flange face to serve as the gasket.
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