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

Dow DOWSIL 3055 Silicone Resin

Dow DOWSIL 3055 Silicone Resin is a high-performance, solvent-based methyl-phenyl silicone oligomer offering excellent thermal stability, electrical insulation, and weather resistance. Designed for coatings, encapsulants, and matrix resins, it cures to a hard, glossy film with superior adhesion and chemical inertness. Widely used in LED packaging, aerospace, and electronics due to its reliable dielectric properties and long-term durability under harsh conditions.
  • dow dowsil 3055 silicone resin_1a22c6b2
  • dow dowsil 3055 silicone resin_1a22c6b2

Features Of Dow DOWSIL 3055 Silicone Resin

  1. High thermal stability, maintaining integrity up to 200 °C long-term and withstanding short-term exposure to 250 °C.

  2. Excellent electrical insulation properties, including low dielectric loss and stable permittivity across wide temperature and frequency ranges.

  3. Good adhesion to diverse substrates such as metals, ceramics, and cured silicone elastomers without primer.

  4. Low volatility and minimal outgassing, meeting NASA low-outgassing specifications for vacuum-sensitive applications.

  5. Compatible with common solvents (e.g., xylene, toluene, VM&P naphtha) for easy formulation into coatings, encapsulants, and binders.

Typical Applications Of Dow DOWSIL 3055 Silicone Resin

  1. High-temperature protective coatings for aerospace engine components and exhaust systems.

  2. Dielectric encapsulation for power electronics, including IGBT modules and EV inverter assemblies.

  3. Binders for high-performance ceramic and refractory coatings used in industrial furnace linings.

  4. Matrix resin in silicone-based composite materials for LED lighting housings and heat sinks.

  5. Base resin for specialty release coatings on industrial baking belts and forming tools.

Specifications Of Dow DOWSIL 3055 Silicone Resin

Chemical TypeMethyl-phenyl silicone resin
Product FormSolvent solution (typically in aromatic hydrocarbon solvent)
AppearanceClear, colorless to pale yellow liquid
Primary ApplicationsHigh-temperature coatings, electrical insulation, ceramic binders, encapsulants
Key FeaturesThermal stability, electrical insulation, adhesion, low outgassing
BenefitsExtended service life at elevated temperatures, reliability in harsh environments, formulation flexibility
Viscosity (25 °C, mPa·s)1,500–3,500 (as supplied)
Non-Volatile Content (wt%)55–65%


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