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

Wacker SILRES IC 678 Silicone Resin Intermediate

Wacker SILRES IC 678 is a solvent-based silicone resin intermediate from Wacker’s SILRES® IC series, designed for high-temperature stability and excellent adhesion in coatings, impregnants, and release systems. It offers superior weather resistance, thermal resilience up to 250°C, and compatibility with organic resins—enabling durable, cross-linkable hybrid formulations for industrial applications.
  • wacker silres ic 678 silicone resin intermediate_14255c54
  • wacker silres ic 678 silicone resin intermediate_14255c54

Features Of Wacker SILRES IC 678 Silicone Resin Intermediate

  1. Highly reactive methylphenylsilicone resin with controlled molecular weight distribution.

  2. Excellent thermal stability and oxidative resistance up to 250 °C in air.

  3. Soluble in common organic solvents including xylene, toluene, and MEK.

  4. Enables efficient crosslinking with alkoxy- or hydroxyl-functional curing agents.

  5. Provides superior weatherability and UV resistance in cured coatings and composites.

Typical Applications Of Wacker SILRES IC 678 Silicone Resin Intermediate

  1. High-performance heat-resistant coatings for exhaust systems and industrial ovens.

  2. Matrix resin in silicone-modified organic-inorganic hybrid composites.

  3. Binders for ceramic and metal pigment dispersions in high-temperature paints.

  4. Key intermediate for synthesizing tailored silicone-organic copolymers.

  5. Component in flame-retardant intumescent coating formulations.

Specifications Of Wacker SILRES IC 678 Silicone Resin Intermediate

Chemical TypeMethylphenylsilicone resin (partially condensed)
Product FormLiquid concentrate
AppearanceClear, colorless to pale yellow viscous liquid
Solvent ContentApprox. 40–50 wt% in aromatic hydrocarbons (e.g., xylene)
Viscosity (25 °C)1,200–2,500 mPa·s
Non-Volatile Content50–60 wt%
Reactive GroupsAlkoxy (methoxy/ethoxy) and silanol functionality
Storage Stability≥12 months at 5–30 °C in sealed container


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