ShinEtsu KR-251-Shanghai XIFUTE New Material Technology Co., Ltd.

ShinEtsu KR-251

KR-251 is a methyl silicone resin with a very high molecular weight. Because of its high molecular weight and high film-forming properties, it can form a film simply by drying. In addition, because it contains D units, the film is resistant to cracking even after heat curing.

CategoryOrganic silicon chemicals

BrandShin-Etsu

ColorColorless transparent

Specification1kg、15kg、160kg

ApplicationMaterials applied for electrical insulation protection and water-resistant coating

Product Details

Product Features

Ultra high molecular weight.
Even at room temperature, when the solvent volatilizes, a lacquer film is formed.
Heating further forms a film with excellent heat resistance and chemical resistance.

Applicable Industries / Equipment

Electronics and Electrical Industry: Suitable for insulating protective coatings on electronic components, electrical parts, coils, insulation components.
Coil and Motor Industry: Suitable for impregnation treatment of coils, motor windings, transformer coils.
Paint and Coating Industry: Suitable for formulation of transparent coatings, heat-resistant coatings, weather-resistant coatings, and crack-resistant silicone resin coating films.
Industrial Protective Materials Industry: Suitable for surface protection of industrial substrates requiring water resistance, moisture resistance, heat resistance, and weather resistance.

Item	KR-251
Applicable solvent type	Organic solvent type
Applicable resin	Silicone
Solvent type	Organic solvent
Usage	Main component
Curing method	Room temperature curing
Hardness of the coating	Medium
Appearance	Colorless transparent liquid
Non-volatile content（105℃×3h，%）	20
Viscosity at（25℃，mPa·s）	18
Specific gravity at（25℃）	0.92
Solvent	Toluene
Standard curing conditions	25℃×20min（dry），180℃×30min（cure）
Packaging	1kg、15kg、160kg