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

Wacker ELASTOSIL RT 745 A B Two-Component Silicone Rubber

Wacker ELASTOSIL RT 745 A/B is a two-component addition-curing silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for precision molding, gasketing, and encapsulation in automotive and electronics industries. Features fast room-temperature cure, high tear resistance, and outstanding dimensional stability after vulcanization.
  • wacker elastosil rt 745 a b two component silicone rubber_44b57bd9
  • wacker elastosil rt 745 a b two component silicone rubber_44b57bd9

Features Of Wacker ELASTOSIL RT 745 A B Two-Component Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic applications.

  2. Fast room-temperature vulcanization (RTV) with balanced pot life and cure speed.

  3. Low viscosity A/B components ensure easy mixing and excellent air release during processing.

  4. Good adhesion to various substrates including metals, plastics, and glass without primer.

  5. Meets UL 94 HB flammability rating and complies with RoHS and REACH regulations.

Typical Applications Of Wacker ELASTOSIL RT 745 A B Two-Component Silicone Rubber

  1. Industrial gasketing and sealing for automotive engine compartments.

  2. Prototyping and low-volume production of functional elastomeric parts.

  3. Encapsulation of electronic components requiring thermal stability and electrical insulation.

  4. Manufacturing of flexible molds for polyurethane, epoxy, and plaster casting.

  5. Vibration-damping mounts and shock-absorbing elements in machinery and appliances.

Specifications Of Wacker ELASTOSIL RT 745 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Part A)Translucent, low-viscosity liquid
Appearance (Part B)Translucent, low-viscosity liquid
Mixing Ratio (A:B)1:1 by weight
Cure MechanismRoom temperature vulcanization (RTV)
Shore A Hardness (7 days, 23°C)45 ± 3
Primary ApplicationsGasketing, encapsulation, mold making, vibration damping


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