Japan Shin-Etsu Ultra High Polymer Silicone Resin KR-251 - 广州昊毅新材料科技股份有限公司

Silicone resin

Japan Shin-Etsu Ultra High Polymer Silicone Resin KR-251

                                                                 

 

Ultra-high molecular weight silicone resin 

KR-251 is a methyl silicone resin with a very large molecular weight.

Features

Due to the very high molecular weight, the coating is less prone to cracking.

The coating can be formed as long as it is dry.

By heating or adding a catalyst, a tougher, tougher coating is formed.

General characteristics

Item KR-251
Appearance Colorless transparent liquid
Non-volatile content 105°CX3h % 20
Viscosity 25°C mm2/s 18
Specific gravity 25°C 0.92
Acid value <2
Solvent Toluene

 

Film characteristics

clear coat    
Curing condition 25°CX1day 150°CX30min
Film thickness (μm) 8 8
Pencil Hardness HB F

 

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