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

Wacker ELASTOSIL M 4514 Two-Component Silicone Rubber

Wacker ELASTOSIL® M 4514 is a two-component addition-curing silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and outstanding electrical insulation. Ideal for precision molding, encapsulation, and medical device manufacturing, it cures rapidly at room temperature or accelerated with heat. Low viscosity, minimal shrinkage, and biocompatibility per ISO 10993 make it suitable for demanding industrial and healthcare applications.
  • wacker elastosil m 4514 two component silicone rubber_3052a8c5
  • wacker elastosil m 4514 two component silicone rubber_3052a8c5

Features Of Wacker ELASTOSIL M 4514 Two-Component Silicone Rubber

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

  2. Fast room-temperature curing with balanced pot life and demold time for efficient production cycles.

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

  4. Low compression set ensures reliable sealing performance under continuous load.

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

Typical Applications Of Wacker ELASTOSIL M 4514 Two-Component Silicone Rubber

  1. Seals and gaskets for automotive engine and transmission systems.

  2. Medical device components including respiratory masks, tubing connectors, and wearable sensor housings.

  3. Industrial encapsulation of sensitive electronics and sensors requiring thermal and chemical resilience.

  4. Food-contact parts such as pump diaphragms and processing equipment seals (compliant with FDA 21 CFR 177.2600).

  5. Consumer appliance components including dishwasher door seals and coffee machine gaskets.

Specifications Of Wacker ELASTOSIL M 4514 Two-Component Silicone Rubber

Chemical TypePlatinum-cured addition-cure silicone rubber
Product FormTwo-component liquid system (Part A: base, Part B: catalyst)
AppearanceTranslucent, low-viscosity liquid (Part A); colorless to pale yellow liquid (Part B)
Mixing Ratio (A:B)10:1 by weight
Curing Temperature RangeRoom temperature to 150 °C
Shore A Hardness (7 days, 23 °C)45 ± 2
Tensile Strength (ISO 37)8.5 MPa
Elongation at Break (ISO 37)280 %


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