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

Wacker ELASTOSIL P 7684 40 A B Two-Component Silicone Rubber

Wacker ELASTOSIL® P 7684 40 A/B is a two-component addition-curing silicone rubber offering excellent mechanical strength thermal stability and low compression set ideal for precision molding sealing and gasketing in demanding industrial applications.
  • wacker elastosil p 7684 40 a b two component silicone rubber_77dc6e28
  • wacker elastosil p 7684 40 a b two component silicone rubber_77dc6e28

Features Of Wacker ELASTOSIL P 7684 40 A B Two-Component Silicone Rubber

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

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

  3. Outstanding biocompatibility and compliance with ISO 10993-5 and USP Class VI standards.

  4. Low viscosity components enabling easy mixing, degassing, and cavity filling for complex geometries.

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

Typical Applications Of Wacker ELASTOSIL P 7684 40 A B Two-Component Silicone Rubber

  1. Medical device components including catheters, tubing, and implantable housings.

  2. Pharmaceutical processing equipment seals and gaskets requiring extractables control.

  3. High-precision silicone molds for prototyping and small-series production of medical parts.

  4. Soft-touch ergonomic interfaces in diagnostic and therapeutic equipment.

  5. Sealing solutions for sterile fluid handling systems in cleanroom environments.

Specifications Of Wacker ELASTOSIL P 7684 40 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Mixed)Translucent, viscous liquid
Shore A Hardness (Cured, 7 days @ 23 °C)40 ± 2
Tensile Strength (ISO 37)≈ 7.5 MPa
Elongation at Break (ISO 37)≈ 450 %
Cure SystemAddition cure (inhibitor-free, no by-products)
ComplianceISO 10993-5, USP Class VI, FDA-compliant (per formulation)


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