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

Dow SILASTIC DY 37-071 U Silicone Rubber

Dow SILASTIC DY 37-071 U is a high-consistency, platinum-cured silicone rubber from Dow’s SILASTIC medical-grade elastomer series—designed for extrusion and injection molding with excellent biocompatibility, thermal stability, and low compression set per ISO 10993 and USP Class VI standards.
  • dow silastic dy 37 071 u silicone rubber_dc8265e5
  • dow silastic dy 37 071 u silicone rubber_dc8265e5

Features Of Dow SILASTIC DY 37-071 U Silicone Rubber

  1. High-consistency rubber (HCR) formulation with excellent processability in compression and transfer molding.

  2. Fast room-temperature vulcanization (RTV) cure profile, enabling efficient high-volume production cycles.

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

  4. Excellent electrical insulation properties and low dielectric loss at high frequencies.

  5. Good resistance to ozone, UV radiation, and weathering without surface cracking or degradation.

Typical Applications Of Dow SILASTIC DY 37-071 U Silicone Rubber

  1. Medical device components requiring ISO 10993 biocompatibility compliance (when properly post-cured).

  2. Automotive under-hood gaskets, seals, and vibration-damping mounts exposed to elevated temperatures.

  3. Electrical insulation housings and potting compounds for power electronics and LED lighting modules.

  4. Industrial fluid-handling seals compatible with water, steam, and mild aqueous media.

Specifications Of Dow SILASTIC DY 37-071 U Silicone Rubber

Chemical TypePlatinum-catalyzed high-consistency silicone rubber (HCR)
Product FormUncured, two-part compound (Part A: base, Part B: catalyst)
AppearanceOpaque off-white to light tan, dough-like consistency
Primary ApplicationsCompression-molded seals, gaskets, medical components, electrical insulators
Key FeaturesFast RTV cure, excellent thermal/UV stability, low compression set
BenefitsReduced cycle time, long-term reliability in dynamic environments, regulatory-ready formulations
Cure SystemPt-catalyzed hydrosilylation (addition cure)
Shelf Life (Unopened, 25 °C)12 months from date of manufacture


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