ShinEtsu KE‑3494 – Transparent Silicone Rubber for Electronics & Optical Encapsulation

A two‑part silicone rubber offering transparency and durability, ideal for electronics and optical encapsulation.

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PRODUCTS DESCRIPTION

KE‑3494 is a two‑component RTV silicone rubber formulated for applications requiring clear encapsulation and strong electrical insulation. It cures into a transparent elastomer with excellent mechanical strength, chemical resistance, and thermal stability. This makes it suitable for potting, sealing, and molding in electronics, LEDs, and optical devices where clarity and reliability are critical.

Products parameters

Composition:	Silicone Rubber
Appearance:	Transparent Viscous Liquid
Viscosity (25 °C):	~11,000 mm²/s
Specific Gravity (25 °C):	~1.11
Refractive Index (25 °C):	~1.410
Packaging:	330ml

Key features

• Transparency: Suitable for optical and LED encapsulation applications

• Electrical insulation: Provides strong dielectric properties for sensitive electronics

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

• Thermal stability: Maintains performance under elevated temperatures

• Durable elastomer: Long service life in demanding environments

Application

• Electronics Industry

• LED Industry

• Optical Devices Industry

• Automotive Electronics Industry

• Industrial Equipment 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.