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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.FEATURES:
1. saving raw material (density:0.9-1.2cm3),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 for temperature range:-30?-70?
5. High noise insulation.
6. Safely protected from fire.
7. High corrosion resistance.
8. Long service life.
9. Low installation charge,good benefits.
