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

Dow DOWSIL Membrane Dual Silicone Rubber

Dow DOWSIL Membrane Dual Silicone Rubber is a high-performance two-part addition-cure liquid silicone rubber designed for precision membrane applications. It offers exceptional tear strength, low compression set, biocompatibility per ISO 10993, and seamless dual-cure capability—enabling reliable bonding to substrates like plastics and metals without primers. Ideal for medical devices, wearable sensors, and soft robotics.
  • dow dowsil membrane dual silicone rubber_6832d8e1
  • dow dowsil membrane dual silicone rubber_6832d8e1

Features Of Dow DOWSIL Membrane Dual Silicone Rubber

  1. Unique dual-cure system combining platinum-catalyzed addition cure and condensation cure for enhanced processing flexibility and reliability.

  2. Exceptional membrane integrity with high elongation (>400%) and tear resistance, enabling robust performance in dynamic sealing applications.

  3. Outstanding biocompatibility and ISO 10993-compliant formulation suitable for medical device components requiring skin or tissue contact.

  4. Wide service temperature range from −60 °C to 200 °C, maintaining elasticity and dimensional stability under thermal cycling.

  5. Low extractables and excellent hydrolytic stability, ensuring long-term performance in humid or aqueous environments.

Typical Applications Of Dow DOWSIL Membrane Dual Silicone Rubber

  1. Wearable health monitoring devices requiring soft, conformable, and breathable membranes.

  2. Implantable and external medical sensors where biocompatibility and signal transmission clarity are critical.

  3. Pressure-sensitive touch membranes in diagnostic equipment and patient interface systems.

  4. Sealing membranes for microfluidic cartridges and lab-on-a-chip platforms.

  5. Barrier layers in transdermal drug delivery patches and electrotherapy electrodes.

Specifications Of Dow DOWSIL Membrane Dual Silicone Rubber

Chemical TypeHigh-purity dual-cure silicone elastomer
Product FormReady-to-use liquid silicone rubber (LSR) or pre-cured film (customizable)
AppearanceTranslucent to semi-opaque, flexible membrane; smooth surface finish
Primary ApplicationsMedical membranes, wearable electronics, diagnostic interfaces
Key FeaturesDual-cure capability, high elongation, low compression set, sterilizable (EtO, gamma, steam)
BenefitsReduced assembly steps, improved adhesion to substrates, consistent performance across batches
Regulatory StatusUSP Class VI compliant; meets ISO 10993-5/-10 for cytotoxicity and sensitization
Curing MethodHeat-curable (e.g., 120–150 °C for 5–15 min); optional room-temperature post-cure option


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