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

Wacker ELASTOSIL RT 774 Silicone Rubber

Wacker ELASTOSIL® RT 774 is a two-component, addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and outstanding mechanical properties after curing. Ideal for precision casting, medical device molding, and soft-touch applications, it delivers high tear strength, biocompatibility per ISO 10993, and thermal stability up to 200°C.
  • wacker elastosil rt 774 silicone rubber_415b74f9
  • wacker elastosil rt 774 silicone rubber_415b74f9

Features Of Wacker ELASTOSIL RT 774 Silicone Rubber

  1. High tear strength and excellent elongation at break for demanding mechanical performance.

  2. Fast room-temperature vulcanization (RTV) with low exotherm, enabling efficient processing without ovens.

  3. Outstanding thermal stability across –60 °C to +180 °C continuous service range.

  4. Excellent electrical insulation properties and UL 94 HB flame retardancy.

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

Typical Applications Of Wacker ELASTOSIL RT 774 Silicone Rubber

  1. Electrical encapsulation and potting of transformers, sensors, and power modules.

  2. Sealing and gasketing in automotive powertrain and EV battery systems.

  3. Protective coatings for PCBs and electronic assemblies exposed to harsh environments.

  4. Industrial bonding and sealing of HVAC components and lighting fixtures.

Specifications Of Wacker ELASTOSIL RT 774 Silicone Rubber

Chemical TypeTwo-component addition-curing silicone rubber
Product FormPaste-like, thixotropic base component (Part A) and liquid catalyst (Part B)
AppearanceOff-white to light gray (Part A); colorless to pale yellow (Part B)
Primary ApplicationsEncapsulation, potting, sealing, and bonding in electronics and electrical engineering
Key FeaturesRTV cure, low shrinkage, high UV resistance, and low ionic impurities
BenefitsImproved reliability under thermal cycling, reduced assembly time, and compliance with RoHS and REACH
Shore A Hardness (7 days, 23 °C)45 ± 3
Density (23 °C)Approx. 1.25 g/cm³


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *