The U-PVC core layer foamed inside spiral muffle pipe produc

The main machines adopt two extruders co-operation, well-developed technology prescription obtains from many years experience can cause the pipe specific gravity drop in till 0.9, and the pipe have uniform foam and high intensity.
Specially design co-extruding die, merely need to replace core mandril, it may produce solid-wall pipe, solid wall inner helix pipe, foamed pipe and foam inner helix pipe.
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The U-PVC core layer foamed inside spiral muffle pipe produc