Polyurethane Spraying Foam Preinsulated Steel Pipe Making Machin
Apr 02, 2024
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Spraying winding pipe production line, the spraying and winding process set by Walstar first carried out shot blasting and rust removal treatment on the surface of the steel pipe. After polyurethane spraying was completed, polyethylene sheet could be wrapped. After cooling and cooling, the polyethylene outer layer would produce circumferent shrinkage force, increasing the reliability of the trinity.
Polyurethane Spraying Foam Preinsulated Steel Pipe Making Machin
Polyurethane Spraying Foam Preinsulated Steel Pipe Making Machin