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

Wacker ELASTOSIL Solar 2202 A B Two-Component Silicone Rubber

Wacker ELASTOSIL Solar 2202 A/B is a two-component addition-cure silicone rubber designed for solar module encapsulation. It offers excellent UV resistance, thermal stability up to 200°C, low compression set, and high transparency. Ideal for photovoltaic applications requiring long-term reliability and weather resistance under harsh outdoor conditions.
  • wacker elastosil solar 2202 a b two component silicone rubber_b23ff688
  • wacker elastosil solar 2202 a b two component silicone rubber_b23ff688

Features Of Wacker ELASTOSIL Solar 2202 A B Two-Component Silicone Rubber

  1. Excellent UV and weather resistance for long-term outdoor performance in solar applications.

  2. Low compression set and high elasticity retention after prolonged thermal aging up to 150 °C.

  3. Platinum-catalyzed addition-cure system ensuring precise, reproducible curing without by-products.

  4. Optimized adhesion to common photovoltaic substrates including glass, aluminum, and EVA encapsulants.

  5. Halogen-free formulation compliant with IEC 61215 and UL 746C standards for PV module safety.

Typical Applications Of Wacker ELASTOSIL Solar 2202 A B Two-Component Silicone Rubber

  1. Edge sealing and frame bonding in crystalline silicon photovoltaic modules.

  2. Backsheet mounting and junction box potting in utility-scale solar installations.

  3. Sealing gaskets for bifacial module frames exposed to extreme climatic conditions.

  4. Interface material between solar glass and aluminum frames in double-glass modules.

Specifications Of Wacker ELASTOSIL Solar 2202 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTranslucent, low-viscosity liquids (Part A: colorless; Part B: pale yellow)
Mixing Ratio (by weight)1:1 (A:B)
Cure Temperature Range25–150 °C (room temperature cure possible with extended time)
Shore A Hardness (cured)22 ± 2
Tensile Strength (cured)5.0–6.5 MPa
Elongation at Break (cured)350–450 %


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