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What is the work ticket for pp hot melt welding?
Welding processing invoice belongs to the special invoice of labor service.
Because welder is a special dangerous occupation, welding processing is also special in labor.
PP pipe fittings are welded by hot melt socket welding and hot melt butt welding machine. If PP pipe fittings are socket type, they can be welded by plastic welding torch. It is a way to use the chemical reaction of exothermic flux as a heat source to fix the ends of two workpieces to be welded in the mold in advance to generate high temperature to connect the workpieces.
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