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

Wacker SilGel 612 A B Silicone Gel

Wacker SilGel 612 A/B is a two-component addition-cure silicone gel from Wacker’s SilGel series—offering ultra-low hardness, excellent thermal stability, and self-healing properties for sensitive electronics encapsulation and LED protection.
  • wacker silgel 612 a b silicone gel_ebbcf216
  • wacker silgel 612 a b silicone gel_ebbcf216

Features Of Wacker SilGel 612 A B Silicone Gel

  1. Two-component, platinum-catalyzed addition-cure silicone gel system offering excellent low-stress encapsulation.

  2. Ultra-low modulus and high elasticity provide superior mechanical shock absorption and stress relief for sensitive electronic components.

  3. Excellent thermal stability with continuous service temperature range from –60 °C to +200 °C.

  4. Low viscosity before curing enables deep penetration and void-free filling of complex geometries.

  5. UL 94 V-0 rated (after full cure), supporting compliance in demanding safety-critical applications.

Typical Applications Of Wacker SilGel 612 A B Silicone Gel

  1. Encapsulation and protection of LED modules and drivers in lighting systems.

  2. Stress-relieving potting of automotive sensors, ECUs, and power electronics.

  3. Dielectric insulation and vibration damping for medical device circuitry and implantable electronics housings.

  4. Conformal coating and underfill for high-reliability aerospace and defense electronics.

  5. Protection of photovoltaic junction boxes and inverters exposed to outdoor thermal cycling.

Specifications Of Wacker SilGel 612 A B Silicone Gel

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A: base; Part B: catalyst)
AppearanceClear, low-viscosity liquids (Part A: colorless; Part B: pale yellow)
Mixing Ratio (A:B) by Weight10:1
Cure Time (25 °C)Approx. 24 h (full cure); surface tack-free in ~4–6 h
Shore A Hardness (7 days, 23 °C)10–12
Density (23 °C)~0.98 g/cm³
Dielectric Strength (ASTM D149)≥20 kV/mm


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

Your Name *

Your Email *

Your Phone

Country

Your Message *