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

Momentive Tospearl 120E Silicone Resin

Momentive Tospearl 120E is a solvent-based methyl-phenyl silicone resin offering excellent thermal stability, weather resistance, and compatibility with organic polymers. Designed for high-performance coatings, inks, and adhesives, it enhances hardness, gloss, and chemical resistance. Part of Momentive’s Tospearl series, this low-viscosity resin enables easy formulation and efficient crosslinking without catalysts.
  • momentive tospearl 120e silicone resin_9550050d
  • momentive tospearl 120e silicone resin_9550050d

Features Of Momentive Tospearl 120E Silicone Resin

  1. Highly crosslinked methyl-phenyl silicone resin offering excellent thermal stability and oxidative resistance.

  2. Low surface energy and superior release performance in high-temperature molding applications.

  3. Compatible with organic resins, enabling effective formulation in coatings, adhesives, and composites.

  4. Soluble in common aromatic and ketonic solvents (e.g., xylene, MEK), facilitating easy processing and integration.

  5. Provides enhanced hardness, gloss retention, and weatherability in protective topcoats and specialty finishes.

Typical Applications Of Momentive Tospearl 120E Silicone Resin

  1. High-performance release coatings for industrial molds and composite manufacturing tools.

  2. Thermal barrier and protective topcoats for exhaust systems and engine components.

  3. Heat-resistant primers and binders in ceramic and refractory coatings.

  4. Modifier in silicone-modified alkyd and polyester resin systems for architectural and industrial coatings.

  5. Key ingredient in specialty anti-fouling and non-stick coatings for food-processing equipment.

Specifications Of Momentive Tospearl 120E Silicone Resin

Chemical TypeMethyl-phenyl silicone resin
Product FormSolids in solvent (xylene/MEK blend)
AppearanceClear to slightly hazy, pale yellow liquid
Non-Volatile Content50 ± 2 wt%
Viscosity (25°C, Brookfield RV, spindle #3, 20 rpm)1,800–2,400 cP
Gel Time (150°C, on glass)Approx. 12–18 minutes
Key FeaturesThermal stability up to 250°C continuous, low Tg, excellent film integrity
Primary ApplicationsRelease coatings, heat-resistant finishes, silicone-modified hybrid systems


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