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Extruded PP Rod Factory in China - Custom Sizes and Colors from Reliable Suppliers
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.
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
Q What are the key properties of PP rods?
PP (polypropylene) rods feature high hardness, a high melting point, a Vicat softening temperature of 150°C, excellent surface stiffness, scratch resistance, and outstanding resistance to environmental stress cracking.
Q How does copolymer PP differ from homopolymer PP?
Copolymer PP includes random or clamp ethylene content, which lowers its heat distortion temperature to 100°C. While it has slightly lower transparency and rigidity compared to homopolymer PP, it offers significantly higher impact strength.
Q What is the temperature resistance of PP rods?
PP rods exhibit a high Vicat softening temperature of 150°C, making them highly durable and resistant to heat distortion in various industrial applications.
Q How are PP rods processed and shaped?
PP rods offer excellent processability. They can be easily shaped and manufactured using common methods such as injection molding, extrusion, and blow molding.
Q What certifications do your PP rods hold?
Our PP rods comply with international standards and hold certifications including SGS, TUV, and ROHS.