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high performance plasticsThe light weight of plastics makes for more fuel efficient vehicles. It is estimated that every 10% reduction in vehicle weight results in a 5% to 7% reduction in fuel usage. Current economic and environmental concerns make the creation of more fuel efficient cars a top priority in the automotive industry.

  • minimal corrosion, allowing for longer vehicle life
  • substantial design freedom, allowing advanced creativity and innovation
  • flexibility in integrating components
  • safety, comfort and economy
  • recyclability.

Here are the top 13 high performance plastics used in automotive hardware. While all 13 may easily be used in a single vehicle, just three types of plastic make up approximately 66% of the total high performance plastics used in a car: polypropylene (32%), polyurethane (17%) and PVC (16%).

1) Polypropylene (PP)

Polypropylene is a thermoplastic polymer used in a wide variety of applications. A saturated addition polymer made from the monomer propylene, it is rugged and unusually resistant to many chemical solvents, bases and acids.

Application: automotive bumpers, chemical tanks, cable insulation, gas cans, carpet fibers.

2) Polyurethane (PUR)

Solid Polyurethane is an elastomeric material of exceptional physical properties including toughness, flexibility, and resistance to abrasion and temperature. Polyurethane has a broad hardness range, from eraser soft to bowling ball hard. Other polyurethane characteristics include extremely high flex-life, high load-bearing capacity and outstanding resistance to weather, ozone, radiation, oil, gasoline and most solvents.

Application: flexible foam seating, foam insulation panels, elastomeric wheels and tires, automotive suspension bushings, cushions, electrical potting compounds, hard plastic parts.

high performance plastics3) Poly-Vinyl-Chloride (PVC)

PVC has good flexibility, is flame retardant, and has good thermal stability, a high gloss, and low (to no) lead content. Polyvinyl chloride molding compounds can be extruded, injection molded, compression molded, calendered, and blow molded to form a huge variety of products, either rigid or flexible depending on the amount and type of plasticizers used.

Application: automobile instruments panels, sheathing of electrical cables, pipes, doors.

4) ABS

Acrylonitrile Butadiene Styrene is a copolymer made by polymerizing styrene and acrylonitrile in the presence of polybutadiene. The styrene gives the plastic a shiny, impervious surface. The butadiene, a rubbery substance, provides resilience even at low temperatures. A variety of modifications can be made to improve impact resistance, toughness, and heat resistance.

Application: automotive body parts, dashboards, wheel covers.

5) Polyamide (PA, Nylon 6/6, Nylon 6)

Nylon 6/6 is a general-purpose nylon that can be both molded and extruded. Nylon 6/6 has good mechanical properties and wear resistance. It is frequently used when a low cost, high mechanical strength, rigid and stable material is required. Nylon is highly water absorbent and will swell in watery environments.

Application: gears, bushes, cams, bearings, weather proof coatings.

6) Polystyrene (PS)

Naturally clear, polystyrene exhibits excellent chemical and electrical resistance. Special high gloss and high impact grades are widely available. This easy to manufacture plastic has poor resistance to UV light.

Application: equipment housings, buttons, car fittings, display bases.

7) Polyethylene (PE)

Polyethylene has high impact resistant, low density, and exhibits good toughness. It can be used in a wide variety of thermoplastics processing methods and is particularly useful where moisture resistance and low cost are required.



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