The Power of Possibilities

Silicone brings innovation to various industries such as automobiles, electronic engineering, personal care,
consumer goods, aerospace, and construction with its excellent properties such as heat resistance,
cold resistance, and flame retardancy.

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Automotive

  • Silicones for Automotive Electronics
  • Silicones for Automotive Elastomers

Silicones for Automotive Electronics

Countless electronic devices are used in automobiles. To achieve the goal of reducing CO2, the transition from internal combustion engine vehicles to EVs is expected to proceed gradually. KCC SILICONE provides Momentive's excellent EV silicone solutions.

As the miniaturization and integration of electronic components progresses, the operating temperature and heat output increase. A heat dissipation solution is required for the life and performance of these components.

Electronic devices are also applied to various parts of vehicles with internal combustion engines. KCC SILICONE develops and sells various silicone products such as coatings and adhesives that are required to assemble PCBs for automotive electronic components. As for coating agents, the company provides low-viscosity and low-hardness or high-hardness conformal coating materials that achieve high workability. As environmental regulations in manufacturing facilities have tightened in recent years, the company is supplying solvent-free conformal coatings that can respond to increased environmental regulations.

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Material Solutions for E-mobility & Electrification

E-mobility Applications

Momentive's innovative silicone supports the future of e-mobility.
  E-mobility Applications
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Automotive Heat Dissipation Solutions
Automotive Heat Dissipation Solutions With the miniaturization of automotive electrical equipment, the operating temperature is constantly increasing. Therefore, the electrical and electronic industry as a whole is constantly looking for ways to reduce the heat generated by the equipment. Momentive offers a variety of heat dissipation solutions.
Thermal Management
Adhesives for Automotive Electronics
Protects electronic components from moisture or external contamination by bonding the components and sealing the empty space with silicone adhesives.
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Adhesives
Coatings for Automotive Electronics
Protects electronic components from moisture or external contamination by bonding the components and sealing the empty space with silicone adhesives.
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Optical Bonding
The role of displays continues to grow in the automotive industry from digital dashboards to rear-seat entertainment units. KCC SILICONE and Momentive provide optical bonding solutions for vehicle displays.
[Recommended Products]
Optical Bonding Display
Encapsulants and Potting Materials for Automotive Electronics
Momentive's potting materials protect electronic components from dust, moisture, liquids, and other various external contaminants.
Encapsulation Materials

Silicones for EV Charging Stations & Infrastructure

Silicones for Automotive Electronics & Electric Vehicles

High Thermal Management Silicones for Automotive and E-Mobility: Thermal Gap Fillers

Product/Formulation Catalog

Get more details in our catalog.

Catalog (ENG)

Do you want to view more Momentive-related content?

You can get more details by visiting Momentive’s website.
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Silicone Elastomers for Automotive

KCC SILICONE products are applied to various automotive industries. Our products have a simple molding process and maintain their elastomeric properties even in ultrahigh and cryogenic temperatures. It has weather resistance and a low compression set and is suitable for various sealing, bonding, and insulating applications. We provide liquid silicone rubber (LSR) and heat-cured elastomer products (HCE) products and they are generally used as follows

- Gaskets, O-rings, hoses, spark plug boots, diaphragms, connector seals, exhaust hangers, fuel system valves, and powertrain components. We also develop and provide products suitable for the physical properties required by individual customers.

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E-Mobility(LSR/HCE)

A new era of e-mobility requires new material solutions. KCC SILICONE provides innovative silicones from battery solutions to high voltage cables, connector materials, and sealants. You can experience more diverse solutions at Momentive.

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EV Cable (HCE)
Used as the material for EV wires carrying high voltage due to its excellent voltage withstanding performance, it is mainly used for wires for fast charging and wires for battery distribution.
HCE for internal combustion car

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KCC SILICONE provides various elastomer solutions
for automobiles developed by MOMENTIVE.

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HCE for internal combustion car

Silicone parts for internal combustion vehicles have excellent heat resistance, oil resistance, and weather resistance, and are used in major parts of automobiles.

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Turbo Charge Hose
A hose that connects the engine, turbo charger, and intercooler.
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Spark Plug Boots
Parts that are combined with ignition coil, plastic injection molding, etc., and are used in gasoline engine automobiles.
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Muffler Hanger
A part that reduces body vibrations by connecting the car body and the muffler as the exhaust gas passage.

In addition, it is used in various automobile parts

  • - Anti drain-back valve, Oil filter
  • - Switch system
  • - Head lamp dust cover gasket

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LSR for Airbag Coating
Automotive airbags are usually manufactured by coating LSR on textile fabrics such as nylon and polyester. Airbag coated with LSR improves its durability and protects the human body by maintaining air pressure for a certain period of time when inflated. To achieve this performance, LSR for airbag coating is designed to have excellent adhesion to fabrics, and also possesses flame retardancy and high tear properties.
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Product list

LSR Type Cut & Sewn One Piece Woven(OPW) OPW Topcoat
(Friction-reducting)
Airbag
application		 DAB (Driver Airbag)
PAB (Passenger Airbag)
SAB (Side Airbag)
KAB (Knee Airbag)		 CAB(Curtain Airbag)
Product
Mixing ratio A:B = 10:1 A:B = 1:1 A:B = 10:1 A:B = 1:1 A:B = 2:8
Viscosity (Pa·s)
(A / B)		 20 / 20 1) 33 / 34 1) 15 / 20 1) 150 / 265 1) 500 cP /
4700 cP 2)
Hardness 3)
(Shore A)		 30 32 30 10
Tensile strength 4)
(MPa)		 3 4.5 3.3 4.5
Elongation 5)
(%)		 300 450 350 1500
  • 1) Rheometer shear rate 10 s-1 @ 25℃
  • 2) Brookfield LVDV @ 25℃
  • 3) After curing at 170℃ 10min, ASTM D 2240
  • 4), 5) After curing at 170℃ 10min, DIN 53504
  • 6) Coated fabrics, ISO 5981
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LSR/HCE Connector Seal
Typical automotive parts include connector seals, O-rings, and gaskets. These parts are manufactured using oil bleeding LSR/HCE. Oil bleeding LSR/HCE provides water and airtightness between socket and plug of electronic equipment by draining silicone oil over time after molding. In addition, they improve assemblability by reducing friction during module manufacturing. In line with ever lighter and smaller automobile parts, more sophisticated and detailed parts can be manufactured through LIMS (Liquid Injection Molding System) using LSR.
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HCE for automotive interior design

Silicone rubber can be applied to various silicone rubber parts to improve the properties of automobile interior materials and plastics. High performance can be delivered by tapping into the unique characteristics of silicone.

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  • Car keypad
    (for windows, wheel, gear components etc.)
    Long-life silicone products are applied to special keypads inside automobiles. Long-term elasticity is maintained due to superior durability compared to ordinary-grade items.
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  • Plastic Additives
    (PP, PE, etc.)
    Improve machinability (extrusion speed and power consumption) and performance (damage resistance, scratch resistance, impact resistance).
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Product/Formulation Catalog

See more details in our catalog.

Catalog (ENG) LSR Catalog (ENG)

Do you want to view more Momentive-related content?

You can get more details by visiting Momentive’s website.
GO TO MOMENTIVE