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Amatrium Materials AI
Wacker Wacker® Catalyst T 77 Catalyst paste
Categories: Other Engineering Material; Catalyst/Initiator

Material Notes: Product description: Catalyst paste for crosslinking condensation-curing two-part silicone rubber grades (RTV 2).

Special features:

  • thixotropic paste
  • fast curing at room temperature
  • cured rubbers show good self-adhesion to various substrates, such as metals, glass, ceramics, wood and plastics
  • vulcanization times can be tailored by changing the mixing ratio
Application: WACKER® CATALYST T 77 is used and processed in combination with condensation-curing two-part silicone rubber grades (RTV-2). The vulcanization time can be adjusted to requirements by varying the ratios of components A and B. The pot lives listed below indicate the time within which the material still spreads at 23 °C and 50 % r.h. Varying the mixing ratio of components A and B within the range indicated above generally has little effect on the mechanical properties of the cured rubber. However, if the ratios are changed substantially, preliminary tests should be carried out to determine the material properties. The cured rubber obtained with WACKER® CATALYST T 77 and the above-mentioned A component adheres well to a broad range of materials. For many substrates, the adhesive strength is generally independent of the type of A component used. The processor must carry out preliminary tests to determine the optimum conditions for a particular application.

Information provided by Wacker Chemie AG.

Vendors:
Available Properties
  • Density, EN/ISO 1183
  • Viscosity, DIN EN ISO 3219, dynamic
  • Cure Time, Fast, 8:1, in combination with A component ELASTOSIL® RT 426 or RT 428
  • Cure Time, Fast, 12:1, in combination with A component ELASTOSIL® RT 426 or RT 428
  • Cure Time, Medium, 8:1, in combination with A component ELASTOSIL® RT K or RT 563
  • Cure Time, Medium, 12:1, in combination with A component ELASTOSIL® RT K or RT 563
  • Cure Time, Slow, 12:1, in combination with A component ELASTOSIL® M 4503 or M 4511
  • Cure Time, Slow, 8:1, in combination with A component ELASTOSIL® M 4503 or M 4511
  
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