ELASTOSIL RT 775

RTV-2 Silicone Thermal Barrier | Wacker

Wacker

ELASTOSIL RT 775

Product Description:

ELASTOSIL® RT 775 by Wacker is a non slump, condensation curing RTV-2 silicone. When processed with a curing agent of the WACKER® Catalyst T 77 series, a self bonding and durable silicone rubber is formed. Cured ELASTOSIL® RT 775 shows long-term stability against weathering, moisture and UV light. Under extreme heat exposure ELASTOSIL® RT 775 becomes a solid ceramic that resists as a thermal barrier over a long period of time. For example: thermal propagation of an EV battery module.

Properties:

Uncured:

  • Non-slump paste
  • Medium to fast curing at room temperature

Cured:

  • To be cured with WACKER Catalyst T 77 or WACKER Catalyst T 77 PLUS (contact WACKER for further curing data)
  • Medium hardness
  • Primerles adhesion to many substrates (glass, ceramics, metals, plastics and powder coatings)
  • Suitable as thermal barrier at extreme conditions
  • Becomes a hard ceramic under extreme heat (e.g. thermal propagation of a battery module)

 

Technical Data

Properties Uncured*

PropertyConditionValueMethod
Viscosity, dynamic23˚C | 10 1/s~ 120000 mPa-s-

Properties Cured*

PropertyConditionValueMethod
Density23˚Capprox. 1.7 g/cm3DIN EN ISO 1183-1 A
Hardness Shore A-approx. 60-70ASTM D 2240

*These figures are only intended as a guide and should not be used in preparing specifications.

 

Applications:

  • Automotive, EV Battery
  • Adhesives
  • Electrics, Electronics & Lighting

For complete product information, please refer to wacker.com.
 

Graco System Solution:

Graco provides a complete dispensing solution for ELASTOSIL® RT 775. Designed for the application of plural component intumescent fire protection coatings for battery applications, the Graco system is the first and only complete system equipped to dispense this advanced material. Our fully automated system provides a thorough and effective coating ideal for high-volume production. 

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