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

Dow SILASTIC LS-2860 Fluorosilicone Rubber

Dow SILASTIC LS-2860 Fluorosilicone Rubber is a high-performance liquid silicone rubber from Dow’s SILASTIC™ LS series, offering exceptional resistance to fuels, oils, and solvents while maintaining silicone’s thermal stability and flexibility across –60°C to 200°C. It cures rapidly via platinum-catalyzed addition reaction, enabling efficient LIM processing for demanding aerospace and automotive sealing applications.
  • dow silastic ls 2860 fluorosilicone rubber_b4c44d4f
  • dow silastic ls 2860 fluorosilicone rubber_b4c44d4f

Features Of Dow SILASTIC LS-2860 Fluorosilicone Rubber

  1. Excellent resistance to fuels, lubricants, and aggressive hydrocarbon-based chemicals.

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

  3. Superior compression set resistance compared to standard silicone elastomers.

  4. Good electrical insulation properties across wide temperature and frequency ranges.

  5. Processable via conventional high-temperature vulcanization (HTV) methods including extrusion, calendering, and compression molding.

Typical Applications Of Dow SILASTIC LS-2860 Fluorosilicone Rubber

  1. Aerospace fuel system seals and gaskets exposed to jet fuels and synthetic lubricants.

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

  3. Oil & gas downhole tool seals subjected to sour gas (H₂S), crude oil, and high-temperature service.

  4. Military-grade connectors and cable jackets in harsh environmental conditions.

  5. Industrial fluid-handling diaphragms and valve seats for chemical processing equipment.

Specifications Of Dow SILASTIC LS-2860 Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (FVMQ)
Product FormHigh-consistency gum stock (uncured compound)
AppearanceOff-white to light tan, homogeneous rubbery sheet or slab
Primary ApplicationsStatic and dynamic sealing in aggressive fluid environments
Key FeaturesFuel/oil resistance, thermal stability, low compression set
Processing MethodHigh-temperature vulcanization (HTV)
Curing SystemPeroxide-curable
Standard Packaging25 kg vacuum-sealed polyethylene bag on pallet


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