Automotive rubber and plastic component supply
- Commodity name： Automotive rubber and plastic component supply
- Commodity ID： 1191888251447300096
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Which automotive rubber and plastic components utilize engineering plastics? In the automotive manufacturing industry, PBT is extensively used to produce a wide range of rubber and plastic components, including bumpers, carburetor assemblies, mudguards, spoilers, spark plug terminal boards, fuel system parts, instrument panels, ignition systems, accelerator pedals, and clutch pedals.
Product Details
Which automotive rubber and plastic components use engineering plastics?
I. Nylon Material (PA)
Nylon is primarily used in automotive engines and engine-related components, with key grades including GFPA6, GFPA66, and flame-retardant reinforced PA6.
1. Applications in automotive engine-adjacent components: Since these components are primarily subject to high temperatures and vibration, the materials used are predominantly glass-fiber-reinforced nylon. This is because nylon offers excellent overall performance, and glass-fiber modification significantly enhances key properties such as strength, part dimensional accuracy, and dimensional stability. In addition, nylon is available in a wide range of grades, is relatively easy to recycle and reuse, and is comparatively inexpensive—factors that make it an ideal material choice for engine-adjacent parts. The intake manifold is a quintessential application of modified nylon in the automotive industry. In 1990, BMW of Germany was the first to introduce an intake manifold made from glass-fiber-reinforced nylon into a six-cylinder engine. Subsequently, Ford in the United States adopted glass-fiber-reinforced PA66 for its V6 engine intake manifolds, after which major automakers worldwide quickly followed suit, leading to the widespread adoption of modified-nylon intake manifolds.
2. Applications in automotive engine components: Engine hoods, engine decorative covers, cylinder head covers, and other similar parts typically utilize modified nylon as an excellent material. Compared with metal counterparts, taking the cylinder head cover as an example, weight is reduced by 50% while costs are cut by 30%. In addition to engine components, other load-bearing parts of the vehicle can also be made from reinforced nylon, such as oil filters, windshield wipers, and radiator grilles.
II. Polyester Material (PBT)
In the automotive manufacturing sector, PBT is extensively used to produce a wide range of rubber and plastic components, including bumpers, carburetor assemblies, mudguards, spoilers, spark plug terminal boards, fuel system parts, instrument panels, ignition systems, accelerator pedals, and clutch pedals. Competition between PBT and reinforced PA, PC, and POM in the automotive industry is intense; PA is prone to water absorption, while PC’s heat resistance and chemical resistance are inferior to those of PBT. In applications where tubing is required for automotive use, PBT’s superior resistance to water absorption will gradually enable it to replace PA. Under conditions of high relative humidity and extreme moisture, where moisture can reduce material toughness and lead to corrosion at electrical junctions, modified PBT is often the preferred choice. At 80°C and 90% relative humidity, PBT continues to perform reliably and delivers excellent results.
III. Polyoxymethylene (POM) Material
The automotive industry represents a substantial potential market for POM materials. With its attributes of light weight, high hardness, excellent wear resistance, creep resistance, and chemical corrosion resistance, POM is ideally suited for manufacturing automotive components such as fuel pumps, carburetor parts, fuel lines, power valves, universal joint bearings, motor gears, crankshafts, handles, instrument panels, window lift mechanisms, electrical switches, and seat belt buckles. In particular, wear-resistant components like slide blocks are a strong application area for modified POM, as these parts exhibit minimal metal-to-metal wear, reduce lubricant consumption, and extend component service life.
IV. Polycarbonate Material (PC)
Modified PC, with its outstanding heat resistance, impact resistance, rigidity, and excellent processability, is primarily used in automotive exterior and interior components, including dashboard surround parts, splash guards, door handles, underbody panels, brackets, steering column covers, decorative panels, air-conditioning system components, and lighting system parts.
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