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

Dow SILASTIC DY 32-7100 U Silicone Rubber

Dow SILASTIC DY 32-7100 U is a high-consistency, platinum-cured liquid silicone rubber (LSR) from Dow’s SILASTIC™ portfolio—offering excellent flow, low viscosity, and outstanding thermal/chemical resistance for precision injection molding of medical and automotive components.
  • dow silastic dy 32 7100 u silicone rubber_ef603e7f
  • dow silastic dy 32 7100 u silicone rubber_ef603e7f

Features Of Dow SILASTIC DY 32-7100 U Silicone Rubber

  1. High-consistency, two-part addition-cure silicone rubber with excellent processability in high-speed compression and transfer molding.

  2. Outstanding thermal stability and long-term performance across –60 °C to +200 °C operating range.

  3. Low compression set and superior resilience for dynamic sealing and repeated flexing applications.

  4. Excellent electrical insulation properties and UL 94 HB flame retardancy (as molded).

  5. Good adhesion to engineered plastics and metals without primers when properly cured.

Typical Applications Of Dow SILASTIC DY 32-7100 U Silicone Rubber

  1. Automotive fluid handling components including coolant hoses, turbocharger boots, and EV battery module gaskets.

  2. Industrial seals and diaphragms for pneumatic/hydraulic systems requiring high cycle durability.

  3. Medical device housings and non-implantable elastomeric interfaces compliant with ISO 10993-5 (cytotoxicity).

  4. Consumer appliance seals for cooking, laundry, and HVAC systems exposed to steam, ozone, and temperature cycling.

  5. Electrical enclosures and potting components where dielectric integrity and environmental resistance are critical.

Specifications Of Dow SILASTIC DY 32-7100 U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-part liquid (Part A: base; Part B: catalyst)
Appearance (Uncured)Opaque, off-white to light gray viscous liquid
Shore A Hardness (Cured, 7 days @ 23 °C)70 ± 3
Tensile Strength (ASTM D412)8.5 MPa typical
Elongation at Break (ASTM D412)280% typical
Compression Set (ASTM D395, Method B, 22 hrs @ 175 °C)≤ 25%
Primary ApplicationsHigh-volume molded seals, gaskets, and functional elastomeric parts


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