coated steel pipe

polyethylene coated steel pipe Inner epoxy outer polyethylene anti-corrosion steel pipe is a kind of coated steel pipe, use the technique of internal spray epoxy powder, outer shower coating with polyethylene powder. The intermediate frequency-heating mode utilizes the waste heat of the tube to cure both at the same time, without separately coating the curing. Products inner coated with the food-grade epoxy, making the inner surface of the pipe more smoothly, not easy to