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Engineering plastics in electric car injection molding


Engineering plastics play a crucial role in the manufacturing of components for electric vehicles (EVs), particularly in injection molding processes. These materials are chosen for their superior mechanical, thermal, and electrical properties, which are essential for the demanding environments and performance requirements of EVs. Below is an overview of engineering plastics commonly used in electric car injection molding, their applications, and benefits:

Key Engineering Plastics for EV Injection Molding
Polyamide (PA) – Nylon
Properties: High strength, good wear resistance, excellent thermal stability, and chemical resistance.
Applications: Electrical connectors, battery housings, cooling system components, and structural parts.
Benefits: Lightweight, durable, and capable of withstanding high temperatures, making it ideal for under-the-hood components.
Polybutylene Terephthalate (PBT)
Properties: Good electrical insulation, chemical resistance, and dimensional stability.
Applications: Sensor housings, connectors, and charge port components.
Benefits: Resistant to heat and chemicals, making it suitable for electrical and electronic parts.
Polycarbonate (PC)
Properties: High impact strength, transparency, and good thermal resistance.
Applications: Light covers, interior trim, and display screens.
Benefits: Lightweight and aesthetically pleasing, with excellent optical properties for lighting applications.
Polyphenylene Sulfide (PPS)
Properties: Exceptional thermal stability, chemical resistance, and flame retardancy.
Applications: Battery components, motor parts, and sensors.
Benefits: Can withstand high temperatures and harsh chemical environments, making it ideal for EV powertrain systems.
Polyether Ether Ketone (PEEK)
Properties: High mechanical strength, excellent thermal stability, and chemical resistance.
Applications: High-performance components like bearings, seals, and insulation parts.
Benefits: Suitable for extreme conditions, though more expensive than other plastics.
Acrylonitrile Butadiene Styrene (ABS)
Properties: Good impact resistance, rigidity, and surface finish.
Applications: Interior trim, dashboard components, and exterior body parts.
Benefits: Cost-effective and easy to mold, with good aesthetic qualities.
Polypropylene (PP)
Properties: Lightweight, chemical resistant, and good fatigue resistance.
Applications: Battery casings, interior panels, and fluid reservoirs.
Benefits: Low cost and recyclable, making it environmentally friendly.
Thermoplastic Elastomers (TPE)
Properties: Flexibility, durability, and resistance to weathering.
Applications: Seals, gaskets, and cable insulation.
Benefits: Combines the properties of rubber and plastic, providing excellent sealing and insulation.


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Last Update : 16 September 2025 1:21 PM
Number of Views: 6
Item  Owner  : chinamoldmaker
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Contact Phone: 021-52913487

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2025-09-16 (0.898 sec)