ShinEtsu KE‑4890 – Silicone Rubber for High Performance Industrial Molding & Sealing

A two‑part silicone rubber designed for high performance molding and sealing in industrial applications.

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PRODUCTS DESCRIPTION

KE‑4890 is a two‑component RTV silicone rubber that cures into a durable elastomer with excellent mechanical strength and flexibility. It is formulated for demanding industrial environments, offering reliable sealing, potting, and molding performance under mechanical stress, chemical exposure, and elevated temperatures.

Products parameters

Composition:	Two‑Part RTV‑2 Silicone Rubber
Appearance:	Viscous Liquid
Cure System:	~12,000 mm²/s
Specific Gravity (25 °C):	~1.12
Refractive Index (25 °C):	~1.410
Packaging:	330ml

Key features

• High mechanical strength: Provides durability under stress and load

• Flexibility: Retains elasticity even after repeated cycling

• Chemical resistance: Withstands oils, solvents, and industrial fluids

• Thermal stability: Performs reliably under elevated temperatures

• Long service life: Ensures consistent performance in harsh environments

Application

• Electronics Industry (potting, encapsulation, sealing)

• Automotive Industry (molding, gasketing, sealing)

• Industrial Equipment Industry (durable sealing and molding)

• Construction Industry (specialized sealing tasks)

• General Manufacturing Industry

About INNOSILICONE

INNOSILICONE CO., LTD was established in 2004 in a beautiful international city ,Hong Kong. We mainly engaged in selling Shin Etsu, Elkem, Dow chemical & Momentive's silicone products, and we also involved many various silicones.

We have over 20 years' experience for selling & producing high quality silicone products which can be applied in different industries including plastic, electronic, transportation vehicle, paint, cosmetic, textile, food, medical and architecture and many others industries.

Our group also expand to several manufacturing company decade ago which is located in Jiangmen city that is near to Guangzhou and Shenzhen. Our manufacture engaged mainly in research & development, manufacturing and marketing of textile & industrial silicones, our annual production capacity is over 5000 tones a year.

No matter you are in an current operation stage or are still in the preliminary stages, our technical experts will be glad to work with you to the right silicones products for your specific application.