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

DOWSIL FS 1265 Fluid 1000cSt Fluorosilicone Fluid

DOWSIL FS 1265 Fluid 1000cSt Fluorosilicone Fluid is a high-performance Dow silicone fluid combining fluorinated and siloxane chemistry for exceptional thermal stability, low-temperature flexibility, and resistance to fuels, oils, and solvents—ideal for demanding aerospace, automotive, and industrial sealing applications.
  • dowsil fs 1265 fluid 1000cst fluorosilicone fluid_dd606b1b
  • dowsil fs 1265 fluid 1000cst fluorosilicone fluid_dd606b1b

Features Of DOWSIL FS 1265 Fluid 1000cSt Fluorosilicone Fluid

  1. Exceptional resistance to fuels, oils, solvents, and aggressive hydrocarbons across wide temperature ranges.

  2. Broad operating temperature range from –55 °C to +200 °C with minimal viscosity change.

  3. Superior thermal and oxidative stability compared to standard silicone fluids.

  4. Low surface tension and excellent wetting characteristics for uniform coating and impregnation.

  5. Hydrophobic and oleophobic surface properties that enhance repellency and release performance.

Typical Applications Of DOWSIL FS 1265 Fluid 1000cSt Fluorosilicone Fluid

  1. Aerospace hydraulic and fuel system lubricants and seal conditioners.

  2. High-performance release agents for composite molding in defense and aviation manufacturing.

  3. Dielectric fluid in high-reliability sensors and electronic encapsulation exposed to harsh environments.

  4. Lubricant additive for specialty elastomer components requiring chemical resistance and low volatility.

  5. Surface treatment for gaskets, O-rings, and dynamic seals in oil & gas downhole equipment.

Specifications Of DOWSIL FS 1265 Fluid 1000cSt Fluorosilicone Fluid

Chemical TypeFluorosilicone polymer (methyl-trifluoropropyl siloxane copolymer)
Product FormClear, colorless liquid
AppearanceTransparent, slightly viscous fluid
Kinematic Viscosity @ 25 °CApprox. 1000 cSt (ASTM D445)
Density @ 25 °CApprox. 1.35 g/cm³
Flash Point (COC)≥ 300 °C (ASTM D92)
Volatile Content (1 hr @ 200 °C)< 1.5 wt% (ASTM D150)
Primary ApplicationsLubrication, sealing, release, dielectric insulation, surface protection


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