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

Dow DOWSIL SE 5400 Silicone Elastomer

Dow DOWSIL SE 5400 Silicone Elastomer is a two-part platinum-cured liquid silicone rubber offering excellent flow, low viscosity, and high tear strength. Ideal for precision molding of medical devices, seals, and soft-touch components. Features biocompatibility per ISO 10993, rapid cure at room or elevated temperatures, and outstanding thermal stability from –60°C to 200°C. Trusted for consistent performance in demanding industrial applications.
  • dow dowsil se 5400 silicone elastomer_ffbfcd84
  • dow dowsil se 5400 silicone elastomer_ffbfcd84

Features Of Dow DOWSIL SE 5400 Silicone Elastomer

  1. High-transparency, platinum-cured silicone elastomer offering excellent optical clarity and UV stability.

  2. Low compression set and superior resilience for long-term sealing and gasketing performance.

  3. Excellent biocompatibility, compliant with USP Class VI and ISO 10993-5/-10 for medical device applications.

  4. Easy-to-process liquid silicone rubber (LSR) with balanced viscosity for reliable injection molding and overmolding.

  5. Outstanding thermal stability across –60 °C to +200 °C continuous service range.

Typical Applications Of Dow DOWSIL SE 5400 Silicone Elastomer

  1. Medical tubing and fluid handling components in diagnostic and drug delivery systems.

  2. Seals, gaskets, and diaphragms for pharmaceutical processing equipment.

  3. Overmolded grips and soft-touch elements on handheld medical devices.

  4. Optically clear enclosures and light-diffusing components in healthcare instrumentation.

  5. High-purity fluid path components requiring extractables and leachables control.

Specifications Of Dow DOWSIL SE 5400 Silicone Elastomer

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A: base, Part B: catalyst)
AppearanceClear, low-viscosity liquid
Primary ApplicationsMedical devices, pharmaceutical equipment, health & wellness products
Key FeaturesUSP Class VI compliant, ISO 10993 tested, low extractables, high clarity
Shore A Hardness (Cured)50 ± 3
Curing Temperature Range110–180 °C (time-dependent)
Packaging20 kg pails (A/B ratio 1:1 by weight)


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