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

Dow DOWSIL SH 840 Silicone Resin

Dow DOWSIL SH 840 Silicone Resin is a high-performance, solvent-based methyl-phenyl silicone resin offering excellent thermal stability, electrical insulation, and UV resistance. Designed for coatings, encapsulants, and high-temp adhesives, it cures to a hard, glossy film with superior dielectric strength and weatherability. Trusted in aerospace, electronics, and industrial applications worldwide.
  • dow dowsil sh 840 silicone resin_39e1cba5
  • dow dowsil sh 840 silicone resin_39e1cba5

Features Of Dow DOWSIL SH 840 Silicone Resin

  1. High thermal stability enabling continuous service up to 200 °C

  2. Excellent electrical insulation properties even under humid conditions

  3. Good adhesion to diverse substrates including metals, ceramics, and cured silicone elastomers

  4. Low volatility and minimal outgassing, suitable for vacuum and aerospace applications

  5. Compatible with common solvents such as xylene, toluene, and VM&P naphtha for formulation flexibility

Typical Applications Of Dow DOWSIL SH 840 Silicone Resin

  1. High-performance insulating varnishes for electric motors and transformers

  2. Thermal management coatings for power electronics and LED assemblies

  3. Binders in high-temperature composite laminates and ablative materials

  4. Matrix resin for ceramic-filled composites used in aerospace and defense components

  5. Protective encapsulants for sensors operating in extreme environmental conditions

Specifications Of Dow DOWSIL SH 840 Silicone Resin

Chemical TypePhenyl-methyl silicone resin
Product FormClear to slightly hazy liquid solution
AppearanceColorless to pale yellow viscous liquid
Solvent ContentApprox. 65–75 wt% in aromatic hydrocarbons
Non-Volatile Content25–35 wt% (per ASTM D1272)
Viscosity (25 °C)1,500–3,500 cP (Brookfield RV, spindle #3, 20 rpm)
Key FeaturesThermally stable, electrically insulating, low-outgassing, substrate-adherent
Primary ApplicationsElectrical insulation, thermal protection, high-temp coatings, composite binders


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *