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

Wacker SILPURAN 2122 A B Silicone Gel

Wacker SILPURAN 2122 A/B is a two-component addition-cure silicone gel offering ultra-low modulus, excellent biocompatibility, and self-healing properties. Designed for medical device encapsulation and sensitive electronics protection, it cures at room temperature with precise 1:1 mixing. Its softness, transparency, and thermal stability make it ideal for implantable and wearable applications.
  • wacker silpuran 2122 a b silicone gel_d36d8d2d
  • wacker silpuran 2122 a b silicone gel_d36d8d2d

Features Of Wacker SILPURAN 2122 A B Silicone Gel

  1. Two-component, platinum-catalyzed addition-cure silicone gel system offering excellent low modulus and high elongation.

  2. Ultra-low compression set (<5%) ensures long-term sealing integrity and shape recovery under continuous stress.

  3. Outstanding thermal stability across –60 °C to +200 °C with minimal property drift over time.

  4. Biocompatibility compliant with ISO 10993–5 and USP Class VI for medical device applications.

  5. Low viscosity before curing enables easy dispensing, potting, and conformal coating of delicate electronics.

Typical Applications Of Wacker SILPURAN 2122 A B Silicone Gel

  1. Encapsulation and protection of sensitive electronic components (e.g., sensors, PCBs, LED assemblies).

  2. Soft-touch seals and gaskets in wearable medical devices and diagnostic equipment.

  3. Shock-absorbing cushioning layers in implantable and external therapeutic devices.

  4. Optical bonding and light-diffusing gels in display and lighting modules.

  5. Thermal interface materials (TIMs) for low-stress heat dissipation in compact electronics.

Specifications Of Wacker SILPURAN 2122 A B Silicone Gel

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer (two-part)
Product FormPart A: Clear viscous liquid; Part B: Clear viscous liquid (catalyst)
AppearanceTransparent, colorless to pale yellow liquid (both components)
Mix Ratio (A:B) by Weight10:1
Cure Temperature RangeRoom temperature (7 days) or accelerated at 80 °C (30 min)
Hardness (Shore A, cured)10–15
Tensile Strength (cured)0.3–0.5 MPa
Elongation at Break (cured)≥400%


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