详情描述

Classification of PP Pipes

  1. PP-H (High Molecular Weight Polypropylene Pipe)：

  • Raw MaterialsAll made from polypropylene monomer, with a uniform and regular molecular arrangement.

  • FeaturesHigh strength, good chemical and high-temperature resistance, but poor low-temperature impact resistance.

  • Applicable ScenariosSuitable for the transport of high-temperature liquids and chemicals, such as in chemical plants and industrial pipelines.

  • PP-B (Block Copolymer Polypropylene Pipe)：

    • Raw MaterialsMade by copolymerization of propylene monomer and ethylene monomer.

    • FeaturesSofter and more flexible than PP-H pipes, with improved low-temperature impact resistance.

    • Applicable Scenarios主要用于 cold and warm water conveyance, suitable for building potable water and drainage systems.

  • PP-R (Random Copolymer Polypropylene Pipe)：

    • Raw MaterialsEthylene monomers are irregularly distributed within the molecular chain, forming a uniform copolymer.

    • FeaturesThe crystallinity falls between PP-H and PP-B, offering a balance of rigidity, good flexibility, and low-temperature resistance.

    • Applicable ScenariosCommonly used for cold and hot water pipes in residential and commercial buildings, ground heating systems, and drinking water supply.

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