Is the steel plastic composite pipe the same as the rigid plastic composite pipe? Any difference?
The steel plastic composite pipe is produced by 5 layers one step method. The 4 layers of plastics are extruded, and the inner pipe is extruded, heated, coated, wrapped, wrapped, wrapped, wrapped and wrapped. High technological requirements.
The lining plastic or the outer lining plastic is through the inside or outside of the steel tube to place the thinner plastic tube, and then the inner pressure or the outer vacuum is pressed to realize the lining at a certain temperature,
