Polypropylene compound for Pipe and fitting

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Polypropylene compound for Pipe and fitting


Polypropylene (PP) is one of the most widely used polyolefins. This polymer is lightweight, which is an important characteristic. PP has excellent chemical resistance to many acids, alkalis, and organic solvents. Additionally, it is one of the best polymers for systems exposed to various pH levels. Because many plastics cannot tolerate acid and base at the same time. In contrast, it should not be used with hydrocarbons or aromatic substances. Water treatment, clean chemical processes, industrial plating, waste treatment systems, and pharmaceuticals and food industries are some of the typical applications.

Hot water pressure pipes and industrial pipes can be produced from polypropylene random copolymers. Because of its good impact performance, stiffness, creep resistance, crack resistance, and pressure resistance, this polypropylene grade is a suitable choice. Random copolymers of polypropylene are commonly used in hot and cold-water pipes. The colors can be green, gray, blue, white, etc. Color pigments have different nucleation effects on polypropylene random copolymers. Dimensional changes are caused by the variability of intensity between colors. Industrially, processability of pipes and fittings, such as their extrusion rate and injection cycle time as well as their surface quality must be achieved.



Properties PP

  • Good corrosion resistance
  • High impact strength
  • High thermal aging and thermal forming resistance
  • Low price

Standard and size of pipes and fittings

Pipe 1/2″ – 6″ IPS Schedule 80 & 40

1/2″ – 24″ SDR 11, 33 & 17.3

Molded Fittings 1/2″ – 6″ IPS Schedule 80

1/2″ – 20″ SDR 11, 33 & 17.3

Fabricated Fittings 12″ – 24″ SDR 11, 33 & 17.3

Properties PP

Advantages of PP compound for Pipe and fitting

  • Compared to iron pipes, random copolymer pipes or polypropylene homopolymer pipes are 9 times lighter. In addition, it is 36% lighter than rigid PVC pipe.
  • A higher strength, toughness, and chemical resistance than PVC at application temperatures.


Application PP compound for Pipe and fitting

Pipes and fittings made of polypropylene are often used to transport fluids. During fluidization, water or gas is transported under pressure or heat. In particular, polypropylene is used for plumbing and heating applications, such as pipes and fittings under hot and cold water pressure for homes. In addition, it is used for wall and floor heating systems.

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