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

Dow SILASTIC RD-7 Silicone Rubber

Dow SILASTIC RD-7 is a high-consistency, platinum-cured silicone rubber from Dow’s SILASTIC® portfolio—offering excellent thermal stability, low compression set, and superior mechanical properties for demanding industrial and medical applications.
  • dow silastic rd 7 silicone rubber_13599d59
  • dow silastic rd 7 silicone rubber_13599d59

Features Of Dow SILASTIC RD-7 Silicone Rubber

  1. High-temperature resistance up to 200 °C for extended service life in demanding thermal environments.

  2. Excellent compression set resistance, maintaining sealing integrity after prolonged deformation.

  3. Good electrical insulation properties with stable dielectric performance across wide temperature and frequency ranges.

  4. Low volatility and minimal extractables, supporting compliance with stringent medical and food-contact standards.

  5. Easy processability via compression, transfer, or injection molding—compatible with standard silicone rubber equipment.

Typical Applications Of Dow SILASTIC RD-7 Silicone Rubber

  1. Automotive under-hood gaskets and seals exposed to heat, oil, and vibration.

  2. Medical device components requiring biocompatibility and sterilization resistance (e.g., autoclave, EtO, gamma).

  3. Industrial fluid-handling seals for pumps, valves, and connectors in chemical processing systems.

  4. Electrical insulation parts such as bushings, cable jackets, and potting compounds for power electronics.

  5. Food-grade sealing solutions for processing equipment compliant with FDA 21 CFR §177.2600.

Specifications Of Dow SILASTIC RD-7 Silicone Rubber

Chemical TypeHigh-consistency silicone rubber (HCR), platinum-cured
Product FormUncured gum stock (sheet or slab)
AppearanceOpaque, uniform gray or black compound
Primary ApplicationsSeals, gaskets, insulators, and medical/food-contact components
Key FeaturesThermal stability, low compression set, electrical insulation, low extractables
BenefitsLong-term reliability, regulatory compliance, consistent moldability, reduced part failure
Curing SystemPt-catalyzed addition cure (inhibitor-free, no by-products)
Shelf Life12 months at ≤25 °C in original unopened packaging


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