This moulds applys in plastic pipe welding machines, is made of Aluminium alloy. covered with American famous coatings teflon

This kind of mould(socket) applys in plastic pipe welding machines, which is made of Aluminium alloy, and covered with American famous coatings Teflon, to protect the plastic pipes from adhering when welding the pipes,the size is from 20 to 110,

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20/63mm teflon pipe moulds