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

Wacker SilGel 611 A B Silicone Gel

Wacker SilGel 611 A/B is a two-component addition-cure silicone gel from Wacker’s SilGel series, offering low viscosity, excellent thermal stability, and outstanding electrical insulation. It cures at room temperature or with mild heat, forming soft, flexible gels ideal for potting, encapsulation, and protective coating of sensitive electronics.
  • wacker silgel 611 a b silicone gel_1578e841
  • wacker silgel 611 a b silicone gel_1578e841

Features Of Wacker SilGel 611 A B Silicone Gel

  1. Two-component, addition-cure silicone gel system offering excellent thermal stability and low compression set.

  2. Ultra-low viscosity before curing enables deep penetration and void-free encapsulation of sensitive electronic components.

  3. Self-healing surface properties provide long-term protection against moisture ingress and environmental contaminants.

  4. UL 94 V-0 rated after full cure, supporting compliance with stringent electrical safety standards.

  5. Non-corrosive formulation compatible with copper, silver, and standard PCB substrates without outgassing concerns.

Typical Applications Of Wacker SilGel 611 A B Silicone Gel

  1. Encapsulation and potting of high-voltage power modules and IGBTs in electric vehicle inverters.

  2. Protection of LED driver electronics in outdoor lighting systems exposed to thermal cycling and humidity.

  3. Conformal coating replacement for aerospace-grade avionics where vibration damping and dielectric integrity are critical.

  4. Thermal interface material (TIM) support layer in hybrid power packages requiring stress relief and CTE matching.

  5. Insulation and mechanical stabilization of MEMS sensors in industrial automation and automotive ADAS modules.

Specifications Of Wacker SilGel 611 A B Silicone Gel

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-part liquid system (Part A: base; Part B: catalyst)
Appearance (Uncured)Transparent, low-viscosity liquids (Part A & B separately)
Mixing Ratio (A:B by weight)10:1
Cure Temperature Range25–125 °C
Full Cure Time (at 100 °C)2 hours
Density (25 °C, cured)1.12 g/cm³
Dielectric Strength (cured)≥20 kV/mm


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