PVC foam core-layer expanded plastic pipe producti

Features and functions: PVC three layer pipe is used for water drainage, the outside layer and inside layer is made of rigid PVC. and the middle layer is made of special formulation, with lower density 0.7-0.9g/cm3 Features: 1) Saving raw material (density: 0.9-1.2g/cm3), lower cost. 2) Smooth inside wall, low friction. 3) High impact resistance, the ring stiffness is 2 times of normal rigid PVC. 4) Stable, applicable fo temperature range: -30oC-70oC 5) High noise insulation. 6) Safely protected from fire. 7) High corrosion resistence. 8) Long service life. 9) Low installation charge, good benefits.