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

Dow SILASTIC DY 32-464 U Silicone Rubber

Dow SILASTIC DY 32-464 U is a high-consistency, platinum-cured silicone rubber from Dow’s SILASTIC® portfolio—offering excellent mechanical strength, thermal stability up to 200°C, and low compression set. Ideal for extrusion, injection molding, and calendering in automotive, medical, and industrial sealing applications. Meets ISO 10993 and USP Class VI requirements.
  • dow silastic dy 32 464 u silicone rubber_85bf49fd
  • dow silastic dy 32 464 u silicone rubber_85bf49fd

Features Of Dow SILASTIC DY 32-464 U Silicone Rubber

  1. High consistency and excellent extrudability for precision profile formation.

  2. Platinum-catalyzed, addition-cure chemistry enabling low compression set and minimal post-cure shrinkage.

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

  4. Excellent electrical insulation properties with low dielectric loss and high volume resistivity.

  5. UL 94 HB rated and compliant with FDA 21 CFR 177.2350 for indirect food contact applications.

Typical Applications Of Dow SILASTIC DY 32-464 U Silicone Rubber

  1. Automotive fluid handling components including fuel vapor lines and coolant hoses.

  2. Medical tubing and disposable fluid transfer systems requiring biocompatibility and clarity.

  3. Electrical insulation sleeves, grommets, and sealing profiles for power distribution equipment.

  4. Industrial extruded seals and gaskets for HVAC, appliance, and process equipment.

  5. Custom-profiled parts for consumer electronics enclosures and wearables requiring flexibility and durability.

Specifications Of Dow SILASTIC DY 32-464 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormUncured, high-consistency compound (HCR) in standard 20 kg slugs
AppearanceOpaque, off-white to light beige solid
Hardness (Shore A, ASTM D2240)45 ± 3
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 450 %
Compression Set (22 h @ 175 °C, ASTM D395 B)≤ 25 %
Primary ApplicationsExtrusion, calendering, and compression molding of precision elastomeric profiles


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