ShinEtsu KE‑445 – Neutral Cure Silicone Sealant for Industrial & Construction Weatherproofing

A one‑part neutral cure silicone sealant designed for weatherproof sealing in construction and industrial applications.

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PRODUCTS DESCRIPTION

KE‑445 is a one‑component RTV silicone sealant that cures at room temperature via a neutral cure system. It provides strong adhesion to glass, metals, ceramics, and selected plastics, while maintaining flexibility and resistance to moisture, UV, and outdoor weathering. Its non‑corrosive curing chemistry makes it suitable for sensitive substrates and electronics, while its durability ensures long‑term sealing performance in construction and industrial environments.

Products parameters

Composition:	Silicone
Appearance:	Paste
Colour:	Translucent, White
Viscosity:	~85,000 mm²/s
Specific Gravity (25 °C):	~1.03
Refractive Index (25 °C):	~1.410
Packaging:	330ml

Key features

• Neutral cure: Non‑corrosive, low odor curing system

• Weather resistance: Excellent durability against UV, rain, and outdoor exposure

• Strong adhesion: Bonds effectively to glass, ceramics, metals, and selected plastics

• Moisture resistance: Protects against water ingress and humidity

• Flexibility: Maintains elasticity after curing for long‑term sealing performance

Application

• Construction Industry (windows, curtain walls, outdoor joints, weatherproof sealing)

• Electronics Industry (moisture‑resistant sealing for components)

• Automotive Industry (weather‑resistant sealing tasks)

• Industrial Equipment Industry

• General Industrial Sealing

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.