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

Wacker ELASTOSIL RT 675 Silicone Rubber

Wacker ELASTOSIL RT 675 is a two-component, addition-cure liquid silicone rubber (LSR) offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for precision injection molding of medical devices, automotive seals, and consumer electronics components requiring biocompatibility and reproducible high-detail replication.
  • wacker elastosil rt 675 silicone rubber_b9de3c3f
  • wacker elastosil rt 675 silicone rubber_b9de3c3f

Features Of Wacker ELASTOSIL RT 675 Silicone Rubber

  1. Two-component, addition-cure liquid silicone rubber with excellent flowability and low viscosity for precise mold filling.

  2. High tear strength and outstanding elongation at break, ensuring durability in dynamic sealing and flexible component applications.

  3. Excellent thermal stability and long-term performance across a wide temperature range (–60 °C to +180 °C).

  4. Low compression set and superior resistance to aging, ozone, and weathering under continuous service conditions.

  5. Biocompatibility compliant with ISO 10993-5 and USP Class VI, suitable for medical device components requiring regulatory acceptance.

Typical Applications Of Wacker ELASTOSIL RT 675 Silicone Rubber

  1. Medical-grade tubing and catheters for minimally invasive devices.

  2. Seals and gaskets in pharmaceutical processing equipment.

  3. Encapsulated sensors and flexible electrodes for wearable diagnostics.

  4. Soft-touch overmolding on drug delivery devices and handheld medical instruments.

  5. Custom molded parts for dental impression trays and orthodontic appliances.

Specifications Of Wacker ELASTOSIL RT 675 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Mixed)Translucent, viscous liquid
Shore A Hardness (Cured, 7 days @ 23 °C)65 ± 3
Tensile Strength (Cured, 7 days @ 23 °C)8.5 MPa (min)
Elongation at Break (Cured, 7 days @ 23 °C)220 % (min)
Density (23 °C)1.14 g/cm³
Curing Time (10 min @ 150 °C)Full cure achieved


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