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Silicone Materials for Automobiles

About Shin-Etsu's silicones for automotive applicationsApplication examplesProduct lineupReference material

Silicone: Driving the evolution of automotive technology

Silicones are high-performance polymers that exhibit properties of both inorganic and organic compounds. Silicones have a multitude of characteristics including heat resistance, cold resistance, weatherability, water repellency, defoaming properties, adhesiveness, releasability and dielectric properties. Silicone products are used in numerous ways to improve safety and reliability, and to make automobiles smaller, lighter and more eco-friendly. Silicones are critical to the evolution of automotive technology, and manufacturers are taking notice.

The diagram shows a properties comparison between silicone and other rubbers.

The diagram shows a properties comparison between silicone and other rubbers.

Application examples

Engine & Drive train systems
Electrical systems
Interior & Exterior
Suspension systems
Other
  • Fan coupling oil
  • Viscous coupling oil
  • Lubrication of various parts
  • Gaskets
  • Oil seals
  • O-rings
  • Diaphragms
  • Connectors
  • Heat resistant hoses
  • CV joint boots
  • For bonding and heat dissipation of electrical and electronic components
    (Temperature, pressure, air flowmeter & ABS sensors. ECUs of the engine & EPS, etc.)
  • For encapsulation & protection of electric and electronic components
    (Temperature, pressure, air flowmeter & ABS sensors. ECUs of the engine & EPS, etc.)
  • Ignition cables
  • Spark plug boots
  • DLI plug caps
  • DLI rain cover seals
  • Encapsulation & heat dissipation of inverters, DC-DC converters
  • Heat dissipation of LED headlamps
  • Protective tubing for sensors
  • Treating harness terminals
  • Display (Optical bonding)
  • Damper oil for meters
  • Damper material for interior parts
  • Seat belt lubricants
  • Weather strip coating agents
  • Processing and modification of synthetic leather seats
  • Auto paint additives
  • Hard coating agents for plastics
  • Bonding and sealing of interior & exterior cosmetic parts
  • Casting of master models of auto parts
  • Door stoppers
  • Lubrication of brake parts
  • Tire Pressure Sensors
  • Tire gloss enhancers
  • Airbag fabric coatings
  • Water repellents for glass
  • Raw material for car waxes
  • Damper material for car audio components
  • Exterior coatings for vehicles
  • Components in and around the fuel tank
  • O-rings of quick connectors

Silicone products commonly used in automobiles

Application examples Product category
Lubrication, damping, electrical insulation Fluids
Greases & fluid compounds
Release agents for rubber & plastic molding Release agents
Coating materials Silicone oligomers
Bonding & sealing One-component RTV rubbers
Bonding, sealing & potting Two-component RTV rubbers
Rubber molding materials Silicone rubbers, fluoro silicone rubbers, SEP rubbers
LIMS materials
Materials for making prototype models Moldmaking rubbers
Thermal interface materials Greases, sheets, adhesives, etc.
Electrical conducting materials Greases, adhesives, sheets, etc.
Oil- and solvent-resistant materials Oils, greases, adhesives, etc.
Other materials Other materials
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