Product Name: PVC Double wall corrugated pipe Product Introduce: PVC Double wall corrugated pipe Structure design of new and more reasonable, By smooth inner wall and the hollow corrugated outer wall compound composition, Good under external load ability, has the high strength, light weight, smooth inner wall, impact resistant, corrosion resistant, convenient construction, low cost advantages. Product features: 1, Flexible well, High temperature resistant, Not easy to fracture and aging 2, Good toughness, High impact strength, Heavy pressure piping directly, Does not lead to a broken line. 3, Acid resistance, Resistance to corrosion. Product specification size: Inner diameter: 110mm, 160mm