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Common plastic materials for automotive molds
Release Date:
2024/12/09
I. Thermoplastic Plastics
Thermoplastic plastics are commonly used in automotive interiors or exterior plastic parts. These materials are characterized by good processability, low molding costs, and low melting points. Common thermoplastics include polypropylene (PP), polyethylene (PE), and polycarbonate (PC). Among them, polypropylene is a commonly used automotive interior material, polyethylene is used to make car fuel tanks and other components, and polycarbonate is used to make automotive lighting fixtures, etc.
II. Thermosetting Plastics
Thermosetting plastics include thermosetting resins and unsaturated polyesters, etc., which are characterized by high hardness, high heat resistance, and high strength. Automotive paint molds and electronic device housings made of thermosetting plastics require good heat resistance and hardness. Common thermosetting plastics include epoxy resins, phenolic resins, and polyimides.
III. Elastomer Materials
Automotive parts also commonly use elastomer materials, which are characterized by good toughness, elasticity, and wear resistance. Common elastomer materials include styrene-butadiene rubber, nitrile rubber, and chloroprene rubber. Among them, chloroprene rubber is often used to make car tires, while styrene-butadiene rubber is used to make car seals and sound insulation materials.
IV. Comparison
Thermoplastic plastics have good plasticity and low cost, making them suitable for manufacturing automotive interiors and parts. Thermosetting plastics have high hardness and good heat resistance, making them suitable for manufacturing car paint molds, electronic device housings, and other components. Elastomer materials have good toughness and high elasticity, making them suitable for manufacturing car tires, seals, sound insulation materials, and other components. Material selection should be based on specific application environments and requirements.
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