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

Wacker ELASTOSIL RT 623 Silicone Rubber

Wacker ELASTOSIL® RT 623 is a two-component, addition-curing liquid silicone rubber offering excellent mechanical strength, thermal stability up to 180°C, and low viscosity for precise mold filling. Ideal for medical devices, seals, and precision casting due to its biocompatibility (ISO 10993), low shrinkage, and outstanding tear resistance.
  • wacker elastosil rt 623 silicone rubber_6d0a843c
  • wacker elastosil rt 623 silicone rubber_6d0a843c

Features Of Wacker ELASTOSIL RT 623 Silicone Rubber

  1. Two-component, addition-cure liquid silicone rubber with excellent flowability and low viscosity for precise mold filling.

  2. Fast curing at room temperature or accelerated with mild heat, enabling high throughput in production environments.

  3. Exceptional thermal stability and long-term aging resistance up to 180 °C.

  4. Low compression set and outstanding elasticity retention after repeated deformation.

  5. Biocompatibility compliant with ISO 10993-5 and USP Class VI, suitable for medical device prototyping.

Typical Applications Of Wacker ELASTOSIL RT 623 Silicone Rubber

  1. Prototyping and small-batch manufacturing of medical components such as seals, gaskets, and tubing connectors.

  2. Production of soft-touch grips and ergonomic housings for consumer electronics and handheld devices.

  3. Castable elastomeric parts for automotive interior trim, including vibration-damping mounts and sensor encapsulations.

  4. Custom molds for low-volume polyurethane or epoxy casting due to its dimensional stability and release performance.

Specifications Of Wacker ELASTOSIL RT 623 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A: base; Part B: catalyst)
Appearance (Part A)Translucent, viscous liquid
Appearance (Part B)Translucent, low-viscosity liquid
Mixing Ratio (A:B by weight)10:1
Shore A Hardness (cured, 7 days @ 23 °C)23 ± 2
Tensile Strength (ISO 37)5.5 MPa
Elongation at Break (ISO 37)420 %


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

Your Name *

Your Email *

Your Phone

Country

Your Message *