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

Wacker SILPURAN 2117 A B Silicone Gel

Wacker SILPURAN 2117 A/B is a two-component addition-curing silicone gel renowned for ultra-low hardness, excellent biocompatibility, and outstanding thermal stability. Ideal for medical devices, encapsulation, and soft-touch applications, it offers low compression set, high transparency, and easy processing via static mixing or dispensing.
  • wacker silpuran 2117 a b silicone gel_f28f52fc
  • wacker silpuran 2117 a b silicone gel_f28f52fc

Features Of Wacker SILPURAN 2117 A B Silicone Gel

  1. Two-component, platinum-catalyzed addition-cure silicone gel system with low viscosity for excellent flow and air release.

  2. Ultra-low modulus and high elasticity enable exceptional shock absorption and stress relief in sensitive electronic assemblies.

  3. Excellent thermal stability and long-term reliability across operating temperatures from –60 °C to +200 °C.

  4. Low surface energy and non-tacky cured surface minimize dust adhesion and facilitate handling in cleanroom environments.

  5. Biocompatibility tested per ISO 10993–5 (cytotoxicity) and USP Class VI compliant for medical device encapsulation.

Typical Applications Of Wacker SILPURAN 2117 A B Silicone Gel

  1. Encapsulation and protection of LED modules and optical sensors in automotive lighting systems.

  2. Underfill and stress-relief gel for flexible printed circuits (FPCs) and wearable electronics.

  3. Dielectric insulation and vibration damping for high-voltage battery management systems (BMS).

  4. Medical device potting for implantable and external diagnostic equipment requiring soft, compliant interfaces.

  5. Optical bonding and light-guide coupling in display backlight units and touch-sensitive control panels.

Specifications Of Wacker SILPURAN 2117 A B Silicone Gel

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A and Part B)
Appearance (Uncured)Transparent, low-viscosity liquids
Mixing Ratio (A:B by weight)1:1
Cure MechanismRoom temperature or elevated temperature addition cure
Shore A Hardness (Cured)5–10
Density (g/cm³, 23 °C)Approx. 1.10
Primary ApplicationsElectronic encapsulation, medical device assembly, optical bonding


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