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

Wacker ELASTOSIL P 7684/40 Silicone Rubber

Wacker ELASTOSIL® P 7684/40 is a platinum-cured, two-component liquid silicone rubber (LSR) offering excellent flowability, low viscosity, and high tear strength. Designed for precision injection molding, it delivers outstanding dimensional stability, biocompatibility per ISO 10993, and thermal resistance up to 200°C. Ideal for medical devices, seals, and automotive components requiring consistent reproducibility and ultra-low extractables.
  • wacker elastosil p 7684 40 silicone rubber_705ace17
  • wacker elastosil p 7684 40 silicone rubber_705ace17

Features Of Wacker ELASTOSIL P 7684/40 Silicone Rubber

  1. High-transparency, platinum-cured liquid silicone rubber (LSR) with excellent optical clarity.

  2. Optimized for injection molding processes with low viscosity and consistent flow behavior.

  3. Meets ISO 10993-5 and USP Class VI biocompatibility requirements for medical device applications.

  4. Superior thermal stability with long-term serviceability from −60 °C to +200 °C.

  5. Low compression set and outstanding resilience for dynamic sealing and repeated flexing.

Typical Applications Of Wacker ELASTOSIL P 7684/40 Silicone Rubber

  1. Medical-grade tubing and catheters requiring clarity and kink resistance.

  2. Transparent seals and gaskets in pharmaceutical processing equipment.

  3. Soft-touch overmolding on diagnostic device housings and wearable sensors.

  4. Optically clear components for endoscopic illumination systems and light guides.

  5. Implantable-grade prototypes and short-run functional parts for regulatory testing.

Specifications Of Wacker ELASTOSIL P 7684/40 Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-component (A + B), pourable liquid
AppearanceTransparent, colorless to faintly amber viscous liquid
Shore A Hardness (cured, 23 °C)40 ± 2
Tensile Strength (cured)Approx. 5.5 MPa
Elongation at Break (cured)Approx. 450 %
Cure SystemPt-catalyzed addition cure (inhibitor-free)
Primary ApplicationsMedical devices, optical components, precision molded parts


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

Your Name *

Your Email *

Your Phone

Country

Your Message *