Dow Dowsil 550 Fluid Datasheet Dow Dowsil 550 Fluid

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  • Description for Dow Dowsil 550 Fluid

    Phenylmethyl polysiloxane silicone fluid, heat resistance, high flash points, low volatility, radiation resistance, ability to swell silicone rubber.

    *See Terms of Use Below

    Brand Dowsil
    Chemical Resistance Excellent oxidation resistance
    Application Type Seals
    1 Part or 2 Part 1-Part
    Material Form Fluid
    Substrate Metals, Ability to swell silicone rubber
    Industry Construction of instruments, Powertrain, Hydraulic arrestors (snubbers), Hydraulically actuated valves
    Manufacturer Dow
    Chemistry Low volatility, Phenylmethyl polysiloxane
    Viscosity (cPs) 125 (cs)
    High Temperature Resistance (°C) <232, Good thermal stability, Heat resistance
    Low Temperature Resistance (°C) -57
    Other Resistance Radiation resistance, Excellent temperature resistance

  • Technical Data for Dow Dowsil 550 Fluid

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    Overview
    • Chemical Resistance
      • Chemical Resistance - Excellent oxidation resistance
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid - Fluid
    • Substrate
      • Metal - Metals
      • Silicone Rubber - Ability to swell silicone rubber
    • Industry
      • Powertrain
      • Electronics - Construction of instruments
      • Industrial - Motion dampening, Snubbers, Valves
      • Hydraulic - Hydraulic arrestors (snubbers), Hydraulically actuated valves
      • Construction - Construction of snubbers
      • Other - Other applications where radiation exposure exists
    • Chemistry
      • Other - Low volatility
      • Silicone - Phenylmethyl polysiloxane
    • Cure Method
      • None
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Viscosity (cPs) 125 (cs) Test Method
    Material Resistance
    High Temperature Resistance (°C) <232, Good thermal stability, Heat resistance
    Low Temperature Resistance (°C) -57 Test Method
    Other Resistance Radiation resistance, Excellent temperature resistance
    Vibration Resistance/Shock Resistance Shock absorbing
    Conductivity
    Thermal Conductivity (W/m°K) 0.00035 (g-Cal/cm2-sec-°C) Test Method
    Other Properties
    Specific Gravity 1.070 Test Method
    Flash Point (°F) High, >586.4 Test Method
    Business Information
    Shelf Life Details When stored at or below 60°C in the original unopened containers, this product has a usable life of 60 months from the date of production., When stored in their original, unopened containers at 25°C (77°F), DOWSIL™ 510 Fluid and DOWSIL™ 550 Fluid have no known limits to useful life. When stored in its original, container at or below 32°C (90°F), unopened DOWSIL™ 710 Fluid has no known limit to its useful life. Dow warrants product shelf life up to 60 months from date of manufacture.
    Shelf Life Temperature (°F) <90
    Shelf Life Type from date of manufacture., From date of manufacture.
    Shelf Life (mon) 60, 60

  • Best Practices for Dow Dowsil 550 Fluid

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  • Comparable Materials for Dow Dowsil 550 Fluid

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    Spec Engine® Results

    • Dow
      Dowsil 510 Fluid 50 CS(Dow)

      Phenylmethyl polysiloxane silicone fluid, heat resistance, high flash points, low volatility, radiation resistance, ability to swell silicone rubber.

    • Dow
      Dowsil 705 Diffusion Pump Fluid(Dow)

      Thermal stability, Resists oxidation, Chemically inert, designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.

    • Dow
      Dowsil 704 Diffusion Pump Fluid(Dow)

      Thermal stability, Resists oxidation, Chemically inert, designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.

    • Compare All
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Viscosity Test Methods
Viscosity Test Method Temperature
125 (cs) These values are not intended for use in preparing specifications 25°C
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
-57°C
Thermal Conductivity Test Methods
Thermal Conductivity Temperature
0.00035 (g-Cal/cm2-sec-°C) 50°C
Flash Point Test Methods
Flash Point Test Method
High
>308.0°C Minimum, These values are not intended for use in preparing specifications
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.070 25°C These values are not intended for use in preparing specifications