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, Hydraulic arrestors (snubbers), Powertrain, Hydraulically actuated valves
    Manufacturer Dow
    Chemistry Phenylmethyl polysiloxane, Low volatility
    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

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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
Thermal Conductivity Test Methods
Thermal Conductivity Temperature
0.00035 (g-Cal/cm2-sec-°C) 50°C
Flash Point Test Methods
Flash Point Test Method
>586.4°F 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