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

Dow SILASTIC DY 32-625 U Silicone Rubber

Dow SILASTIC DY 32-625 U is a high-consistency, platinum-cured silicone rubber offering excellent mechanical strength, thermal stability up to 200°C, and outstanding electrical insulation. Ideal for demanding compression molding applications in automotive, medical, and industrial sectors requiring biocompatibility and low compression set.
  • dow silastic dy 32 625 u silicone rubber_f3a2a921
  • dow silastic dy 32 625 u silicone rubber_f3a2a921

Features Of Dow SILASTIC DY 32-625 U Silicone Rubber

  1. High-consistency, addition-cure liquid silicone rubber (LSR) with excellent processability in injection molding.

  2. UL 94 V-0 rated for flame retardancy, supporting stringent safety requirements in electronic and medical assemblies.

  3. Biocompatibility aligned with ISO 10993-5 and USP Class VI testing, suitable for short-term implantable and skin-contact applications.

  4. Outstanding thermal stability across –60 °C to +200 °C, maintaining mechanical integrity under cyclic thermal stress.

  5. Low compression set and high tear strength, ensuring long-term sealing performance in dynamic gasket and encapsulation designs.

Typical Applications Of Dow SILASTIC DY 32-625 U Silicone Rubber

  1. Medical device components including respiratory masks, tubing connectors, and drug delivery system seals.

  2. Automotive sensor housings and engine compartment gaskets requiring resistance to oil, coolant, and thermal cycling.

  3. Consumer electronics encapsulation for wearable devices, charging interfaces, and waterproof buttons.

  4. Industrial automation parts such as pneumatic valve diaphragms and vibration-damping mounts.

  5. Food-contact compliant seals and gaskets for processing equipment (FDA-compliant formulation).

Specifications Of Dow SILASTIC DY 32-625 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid (Part A: base, Part B: catalyst)
AppearancePearlescent white viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Shore A Hardness (7 days @ 23 °C)62 ± 2
Tensile Strength (ASTM D412)8.5 MPa min
Elongation at Break (ASTM D412)350% min
Compression Set (ASTM D395, Method B, 22 hrs @ 150 °C)≤ 25%
Curing SystemHeat-curable (typical: 150 °C × 5 min)


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