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

Shin-Etsu KE-2022-40GA/B Silicone Rubber

Shin-Etsu KE-2022-40GA/B is a two-part addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and high thermal stability. Ideal for precision molding of medical devices and electronics, it delivers superior biocompatibility, dimensional accuracy, and Shore A 40 hardness after curing. Compliant with ISO 10993 and USP Class VI standards.
  • shin etsu ke 2022 40ga b silicone rubber_663409f4
  • shin etsu ke 2022 40ga b silicone rubber_663409f4

Features Of Shin-Etsu KE-2022-40GA/B Silicone Rubber

  1. Two-part, platinum-catalyzed addition-cure silicone rubber system offering excellent dimensional stability and low shrinkage.

  2. High transparency and exceptional clarity after curing, suitable for optical and aesthetic applications.

  3. Outstanding thermal resistance with continuous service capability up to 180 °C and short-term exposure to 200 °C.

  4. Low compression set and superior elasticity retention under repeated stress or elevated temperature conditions.

  5. Meets UL 94 V-0 flammability rating when formulated with appropriate fillers and cured per specification.

Typical Applications Of Shin-Etsu KE-2022-40GA/B Silicone Rubber

  1. LED encapsulation and optical lens molding for high-brightness lighting systems.

  2. Medical device components requiring biocompatibility (ISO 10993-compliant when fully cured).

  3. Automotive sensors and electronic protection gels exposed to under-hood thermal cycling.

  4. Consumer electronics potting and sealing where optical clarity and long-term reliability are critical.

  5. Industrial automation parts demanding chemical resistance to oils, solvents, and humidity.

Specifications Of Shin-Etsu KE-2022-40GA/B Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid (Part A: base polymer + filler; Part B: crosslinker + catalyst)
Appearance (Uncured)Part A: translucent viscous liquid; Part B: colorless to pale yellow liquid
Mixing Ratio (A:B by weight)100 : 1.0
Cure Conditions (Standard)150 °C for 5 minutes or 100 °C for 60 minutes
Hardness (Shore A, ASTM D2240)40 ± 2
Tensile Strength (ASTM D412)≥ 7.0 MPa
Elongation at Break (ASTM D412)≥ 250 %


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