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Extruded PP Rod from China Factory - Custom Sizes, Colors & Reliable Suppliers for Diameter 10mm to 300mm

Discover high-quality standard size products ranging from Dia 10mm to 300mm, available in lengths of 1M or customized to suit your needs. As a leading factory in China, we offer a variety of color options including Natural, Light Grey, Dark Grey, Milky White, Red, Blue, Yellow, and more, all customizable to meet your preferences. Trust our expert suppliers to deliver exceptional products tailored for your industry.

    Specification

    Packaging: Standard export package
    Transportation: Ocean, Air, Land, Express, Others
    Place of Origin: Guangdong, China
    Supply Ability: 200 tons/ month
    Certificate: SGS, TUV, ROHS
    Port: Any port of China
    Payment Type: L/C, T/T
    Incoterm: FOB, CIF, EXW

    Application

    The PP (polypropylene) rod is a semi-crystalline material that stands out due to its unique combination of physical and mechanical properties. One of its most notable characteristics is its hardness and high melting point, which sets it apart from other materials like PE (polyethylene). While the homopolymer type of PP can become quite brittle when exposed to temperatures higher than 0°C, many commercial PP materials are formulated as random copolymers or clamp copolymers with varying percentages of ethylene.

    Copolymer Advantage

    Random copolymers contain 1 to 4% ethylene, offering lower heat distortion and enhanced impact strength.

    High Softening Point

    Vicat softening temperature of 150°C ensures excellent surface stiffness and scratch resistance.

    Random copolymers typically contain 1 to 4% ethylene, while clamp copolymers have a higher ratio of ethylene. This copolymerization process results in a PP material with a lower heat distortion temperature (100°C) compared to homopolymer PP. Although the copolymer type PP material may have lower transparency, gloss, and rigidity, it exhibits a stronger impact strength. As the ethylene content in the copolymer increases, the overall strength of the PP material also increases, making it a versatile option for various applications.
    Another important characteristic of PP is its Vicat softening temperature, which is 150°C. This high temperature resistance, combined with the material's high degree of crystallinity, results in excellent surface stiffness and scratch resistance. These properties make PP an ideal choice for applications where durability and resistance to wear and tear are crucial.
    Furthermore, PP is known for its resistance to environmental stress cracking, which is a common issue in many other materials. This makes it a reliable choice for use in environments where exposure to chemicals, moisture, or other stressors is likely.
    In addition to its mechanical properties, PP also offers excellent processability. It can be easily shaped and formed using a variety of manufacturing processes, such as injection molding, extrusion, and blow molding. This versatility, combined with its other properties, makes PP a popular choice for a wide range of applications, including packaging, automotive parts, and consumer products.
    Overall, the PP rod is a versatile and durable material that offers a unique combination of physical and mechanical properties. Its high melting point, excellent surface stiffness and scratch resistance, and resistance to environmental stress cracking make it an ideal choice for a wide range of applications. Whether you're looking for a material that can withstand high temperatures, resist wear and tear, or both, the PP rod is a reliable and versatile option that is sure to meet your needs.

    Frequently Asked Questions (FAQ)

    What are the primary characteristics of a PP rod?

    A PP (polypropylene) rod is a semi-crystalline material characterized by its high hardness, high melting point, excellent surface stiffness, scratch resistance, and exceptional resistance to environmental stress cracking.

    How does homopolymer PP compare to copolymer PP?

    Homopolymer PP can become brittle at temperatures above 0°C. In contrast, copolymer PP (random or clamp) includes ethylene, which lowers its heat distortion temperature to 100°C but significantly improves its impact strength and overall durability.

    What is the Vicat softening temperature of PP rods?

    The Vicat softening temperature of PP is 150°C. This high temperature threshold, paired with high crystallinity, results in superior surface stiffness and wear resistance.

    Are PP rods suitable for chemically demanding environments?

    Yes, PP rods are highly resistant to environmental stress cracking, making them a reliable choice for applications exposed to moisture, chemicals, and other environmental stressors.

    What manufacturing processes can be used to shape PP rods?

    PP rods offer excellent processability and can be easily shaped and formed using common manufacturing processes such as injection molding, extrusion, and blow molding.

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