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

Dow SILASTIC LS 4-9060 Fluorosilicone Rubber

Dow SILASTIC LS 4-9060 Fluorosilicone Rubber is a high-performance liquid silicone rubber featuring exceptional resistance to fuels, oils, and solvents. It offers outstanding thermal stability from –60°C to 200°C, low compression set, and excellent electrical insulation. Designed for demanding aerospace, automotive, and oilfield applications, it cures rapidly via platinum-catalyzed addition reaction with superior processability and consistency.
  • dow silastic ls 4 9060 fluorosilicone rubber_06aa7469
  • dow silastic ls 4 9060 fluorosilicone rubber_06aa7469

Features Of Dow SILASTIC LS 4-9060 Fluorosilicone Rubber

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

  2. Broad service temperature range from –60 °C to +200 °C (–76 °F to +392 °F).

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

  4. Good low-temperature flexibility and retention of physical properties after thermal aging.

  5. Fluorosilicone chemistry provides enhanced compatibility with aerospace-grade fluids and solvents.

Typical Applications Of Dow SILASTIC LS 4-9060 Fluorosilicone Rubber

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

  2. Automotive turbocharger hose linings and valve stem seals in high-temperature engine environments.

  3. Oil & gas downhole tool components requiring resistance to sour gas and aromatic hydrocarbons.

  4. Military-grade hydraulic system O-rings and dynamic sealing applications.

  5. Industrial chemical processing equipment seals handling aggressive organic solvents.

Specifications Of Dow SILASTIC LS 4-9060 Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (FVMQ)
Product FormHigh-consistency rubber (HCR), two-part platinum-cure system
AppearanceOff-white to light tan, homogeneous gum stock
Primary ApplicationsStatic and dynamic seals in demanding fluid-handling systems
Key FeaturesFuel resistance, thermal stability, low compression set, wide operating temperature range
BenefitsExtended service life in harsh chemical environments; reduced maintenance and replacement frequency
Curing SystemPt-catalyzed addition cure (hydrosilylation)
Shelf Life12 months at ≤25 °C when stored unopened in original packaging


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