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

Wacker ELASTOSIL RT 675 A B Two-Component Silicone Rubber

Wacker ELASTOSIL® RT 675 A/B is a high-performance two-component addition-cure silicone rubber offering excellent mechanical strength thermal stability and low compression set ideal for precision molding sealing and industrial prototyping applications.
  • wacker elastosil rt 675 a b two component silicone rubber_6a0ade15
  • wacker elastosil rt 675 a b two component silicone rubber_6a0ade15

Features Of Wacker ELASTOSIL RT 675 A B Two-Component Silicone Rubber

  1. Excellent thermal stability with continuous service temperature range from –60 °C to +180 °C.

  2. Low viscosity and long pot life for easy mixing, degassing, and casting of complex geometries.

  3. Platinum-catalyzed addition cure system offering high reproducibility, minimal shrinkage, and no by-products.

  4. Outstanding mechanical properties including high tear strength and elongation at break after full cure.

  5. Biocompatibility compliant with ISO 10993-5 (cytotoxicity) and USP Class VI for medical device prototyping.

Typical Applications Of Wacker ELASTOSIL RT 675 A B Two-Component Silicone Rubber

  1. Prototyping and low-volume production of medical device components such as seals, gaskets, and housings.

  2. Manufacturing of precision silicone molds for investment casting and polyurethane replication.

  3. Encapsulation and potting of sensitive electronic assemblies requiring thermal and electrical insulation.

  4. Production of soft-touch grips, ergonomic handles, and tactile interface elements in consumer electronics.

  5. Custom fabrication of vibration-damping mounts and shock-absorbing elements in industrial equipment.

Specifications Of Wacker ELASTOSIL RT 675 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A: base, Part B: catalyst)
Appearance (Uncured)Part A: translucent viscous liquid; Part B: translucent viscous liquid
Mixing Ratio (A:B by weight)10:1
Cure MechanismAddition reaction (hydrosilylation)
Shore A Hardness (Cured, 7 days @ 23 °C)65 ± 3
Elongation at Break (Cured)≥ 450 %
Density (Uncured, 23 °C)Approx. 1.14 g/cm³


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