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

Wacker ELASTOSIL RT 604 A B Two-Component Silicone Rubber

Wacker ELASTOSIL RT 604 A/B is a two-component addition-curing liquid silicone rubber offering excellent flow, low viscosity, and high tear strength. Ideal for precision casting, prototyping, and medical device molding, it cures rapidly at room temperature with minimal shrinkage and outstanding biocompatibility per ISO 10993.
  • wacker elastosil rt 604 a b two component silicone rubber_aa5fda05
  • wacker elastosil rt 604 a b two component silicone rubber_aa5fda05

Features Of Wacker ELASTOSIL RT 604 A B Two-Component Silicone Rubber

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

  2. Low compression set and high elasticity for long-term sealing performance under dynamic stress.

  3. Platinum-catalyzed addition curing system ensures precise, reproducible processing without by-products.

  4. Good adhesion to various substrates including metals, plastics, and glass after appropriate surface preparation.

  5. UL 94 HB flame-retardant formulation compliant with standard flammability requirements.

Typical Applications Of Wacker ELASTOSIL RT 604 A B Two-Component Silicone Rubber

  1. Automotive engine compartment gaskets and vibration-damping mounts.

  2. Industrial sealing components for pumps, valves, and fluid handling systems.

  3. Electrical insulation parts in power electronics and LED lighting housings.

  4. Medical device enclosures requiring biocompatibility support (ISO 10993-5/10 tested).

  5. Consumer appliance seals exposed to repeated thermal cycling and mechanical flexing.

Specifications Of Wacker ELASTOSIL RT 604 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A: base, Part B: catalyst)
AppearancePart A: translucent, light yellow; Part B: translucent, colorless to pale yellow
Mixing Ratio (A:B)10:1 by weight
Cure ModeRoom temperature or elevated temperature (e.g., 100 °C for 30 min)
Shore A Hardness (7 days @ 23 °C)60 ± 3
Tensile Strength (ASTM D412)8.5 MPa minimum
Elongation at Break (ASTM D412)220% minimum


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

Your Name *

Your Email *

Your Phone

Country

Your Message *