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

Wacker CENUSIL M 830 A B Two-Component Silicone Rubber

Wacker CENUSIL M 830 A/B is a platinum-cured two-component addition silicone rubber offering excellent tear strength thermal stability and low compression set ideal for precision molding medical devices and automotive seals. It cures rapidly at room or elevated temperatures with precise 1:1 mix ratio and outstanding dimensional stability.
  • wacker cenusil m 830 a b two component silicone rubber_d0ade9e0
  • wacker cenusil m 830 a b two component silicone rubber_d0ade9e0

Features Of Wacker CENUSIL M 830 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-cure chemistry enabling precise control over cure kinetics and minimal by-products.

  4. Good electrical insulation properties compliant with IEC 60243 standards.

  5. Ready-to-use two-component system with simple 1:1 mixing ratio by weight or volume.

Typical Applications Of Wacker CENUSIL M 830 A B Two-Component Silicone Rubber

  1. Automotive engine gaskets and vibration-damping mounts exposed to high temperatures and oils.

  2. Industrial sealing components for pumps, valves, and hydraulic systems requiring chemical resistance.

  3. Electrical encapsulation and potting of sensors, connectors, and power electronics.

  4. Medical device housings and seals meeting ISO 10993 biocompatibility requirements (when fully cured).

  5. Custom molded parts for aerospace applications where dimensional stability and flame retardancy are critical.

Specifications Of Wacker CENUSIL M 830 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid silicone rubber (Part A and Part B)
AppearancePart A: Translucent, low-viscosity liquid; Part B: Translucent, low-viscosity liquid
Mixing Ratio (by weight)1:1
Cure MechanismHeat-cure (recommended: 150 °C for 5–10 minutes)
Shore A Hardness (ASTM D2240)30 ± 2
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 350 %


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