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

Wacker ELASTOSIL M 4512 Two-Component Silicone Rubber

Wacker ELASTOSIL® M 4512 is a two-component addition-cure liquid silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, low viscosity for easy processing, and outstanding replication fidelity—ideal for precision casting, medical device molding, and industrial prototypes.
  • wacker elastosil m 4512 two component silicone rubber_aa5b16eb
  • wacker elastosil m 4512 two component silicone rubber_aa5b16eb

Features Of Wacker ELASTOSIL M 4512 Two-Component Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic applications.

  2. Platinum-catalyzed addition cure system ensures low shrinkage and precise dimensional stability.

  3. Excellent biocompatibility, compliant with ISO 10993-5 and USP Class VI requirements.

  4. Low compression set and outstanding resistance to aging, ozone, and UV exposure.

  5. Ready-to-use liquid formulation with balanced pot life and rapid room-temperature or elevated-temperature cure.

Typical Applications Of Wacker ELASTOSIL M 4512 Two-Component Silicone Rubber

  1. Medical device components including seals, gaskets, and implantable housings.

  2. Pharmaceutical processing parts such as pump membranes and diaphragms.

  3. High-precision technical molds for optical and microfluidic components.

  4. Soft-touch overmolding on rigid substrates in healthcare and consumer electronics.

  5. Custom silicone elastomer parts requiring consistent mechanical performance and regulatory compliance.

Specifications Of Wacker ELASTOSIL M 4512 Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
AppearanceTranslucent to slightly hazy viscous liquid
Primary ApplicationsMedical devices, pharmaceutical equipment, precision technical parts
Key FeaturesBiocompatible, low extractables, high purity, reproducible cure behavior
BenefitsReduced post-processing, minimal outgassing, excellent adhesion to selected substrates
Cure MechanismAddition reaction (hydrosilylation)
Storage Stability≥6 months at 25 °C in unopened containers


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