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

Dow SILASTIC LS-2970 U Fluorosilicone Rubber

Dow SILASTIC LS-2970 U Fluorosilicone Rubber is a high-performance two-part liquid silicone rubber offering exceptional resistance to fuels, oils, and extreme temperatures (–65°C to 200°C). It cures rapidly via platinum-catalyzed addition reaction, delivers excellent mechanical properties, low compression set, and outstanding chemical stability—ideal for demanding aerospace, automotive, and oilfield sealing applications.
  • dow silastic ls 2970 u fluorosilicone rubber_d8c0ffb3
  • dow silastic ls 2970 u fluorosilicone rubber_d8c0ffb3

Features Of Dow SILASTIC LS-2970 U Fluorosilicone Rubber

  1. Exceptional resistance to fuels, oils, and aggressive hydrocarbon-based chemicals.

  2. Broad operating temperature range from –65 °C to +200 °C (–85 °F to +392 °F) with retained elastomeric properties.

  3. Low compression set for reliable long-term sealing performance in dynamic applications.

  4. Excellent weathering, ozone, and UV resistance for outdoor and aerospace environments.

  5. Good electrical insulation properties across wide temperature and humidity ranges.

Typical Applications Of Dow SILASTIC LS-2970 U Fluorosilicone Rubber

  1. Aerospace fuel system seals and gaskets exposed to jet fuels and hydraulic fluids.

  2. Automotive under-hood components requiring resistance to engine oils and transmission fluids.

  3. Oil & gas downhole instrumentation seals subjected to sour gas and high-temperature hydrocarbons.

  4. Military-grade electronic enclosures requiring environmental sealing and dielectric integrity.

  5. High-reliability industrial hose liners and diaphragms in chemical processing equipment.

Specifications Of Dow SILASTIC LS-2970 U Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (FVMQ)
Product FormUncured, two-part liquid silicone rubber (LSR) kit
AppearancePale amber, translucent liquid components
Primary ApplicationsStatic and dynamic seals, gaskets, and molded parts for demanding fluid environments
Key FeaturesFuel/oil resistance, high-temperature stability, low compression set
Processing MethodCompression or injection molding; platinum-catalyzed addition cure
Cure SystemPlatinum-based addition cure (no by-products)
Shelf Life12 months at 25 °C (77 °F) when stored unopened in original packaging


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