Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Shin-Etsu KR-220L Silicone Resin

Shin-Etsu KR-220L is a solvent-based methyl-phenyl silicone resin offering excellent thermal stability, electrical insulation, and weather resistance. Designed for high-performance coatings, encapsulants, and release agents, it cures to form durable, flexible films with low surface energy. Compatible with organic resins and widely used in electronics, aerospace, and industrial applications.
  • shin etsu kr 220l silicone resin_835b3e8a
  • shin etsu kr 220l silicone resin_835b3e8a

Features Of Shin-Etsu KR-220L Silicone Resin

  1. High thermal stability with continuous use up to 200 °C.

  2. Excellent electrical insulation properties even under humid conditions.

  3. Good compatibility with organic resins and pigments for hybrid formulations.

  4. Low volatile content, supporting low-emission coating and encapsulation processes.

  5. Reactive methyl and phenyl groups enabling crosslinking via heat or catalyst.

Typical Applications Of Shin-Etsu KR-220L Silicone Resin

  1. Heat-resistant coatings for industrial exhaust systems and oven linings.

  2. Electrical insulating varnishes for motors, transformers, and coil winding.

  3. Binders in high-performance silicone-based ceramic coatings.

  4. Matrix resin for flexible, flame-retardant silicone composites.

  5. Base resin in UV-curable silicone hybrid inks for printed electronics.

Specifications Of Shin-Etsu KR-220L Silicone Resin

Chemical TypeMethyl/phenyl copolymer silicone resin
Product FormClear to pale yellow liquid
AppearanceHomogeneous, transparent liquid
Solvent ContentToluene/xylene blend (approx. 50–60 wt%)
Non-Volatile Content40–45 wt% (at 150 °C, 3 hr)
Viscosity (25 °C)80–120 mPa·s
Density (25 °C)0.92–0.95 g/cm³
Flash Point (Tag Closed Cup)Approx. 35 °C


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