PVC-M double-wall corrugated pipe is a new type of high-toughness PVC double-wall corrugated pipe made of PVC resin as the main raw material, adding a certain proportion of impact modification additives in the formula, after physical modification, extrusion production. PVC-M double-wall corrugated pipe has obvious advantages in low temperature toughness, and has very good molding processing performance, can produce pipes with larger diameters, and also has obvious advantages in product economic and technical indicators.

high-impact polyvinyl chloride (PVC-M) reinforced double-wall corrugated pipe, the physical modification method is adopted to improve the toughness, and then improve its impact resistance and cracking resistance on the basis of maintaining the original high strength and high modulus of PVC-U pipeline. Compared with PVC-U double-wall corrugated pipe, the low temperature impact resistance of PVC-M double-wall corrugated pipe has been fundamentally improved. Effectively overcome the lack of toughness of the existing PVC-U double-wall corrugated pipe, resulting in poor impact resistance and cracking resistance. When impacted by external forces, brittle cracking is prone to occur.

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