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  • Middle Viscosity Silicone Oils MY PDMS 201-50 - 201-1000

    Middle Viscosity Silicone Oils MY PDMS 201-50 - 201-1000


    Description: MY PDMS 201-50 - 201-1000 are straight chained polydimethylsiloxane fluids.

    Applications:

    MY PDMS 201-50 A2 - 201-1000 are used as:

    Thermostatic fluids (-50℃ to +200℃),

    Anti-blotting products for photocopying machines,

    Thinning and plastifying agents for RTV’s and silicone sealants,

    Raw material for Antifoam

    Lubricating and heat protecting agents for textile threads ( synthetic sewing threads),

    Ingredients in maintenance products (polishes, wax polishes, floor and furniture polishes, etc.),

    Paint additives (anti-cratering, anti-floating/flooding and anti-scratching effects, etc.),

    Water repellent treatment:

    -of powders (for paints and plastics),

    -of fibers: glass fibers,

    Release agents (mould release of plastics and metal castings),

    Lubricants (lubrication of elastomers or plastics on metal),

    Surfactants for styrene-butadiene foam.

    HCR application to reduce hardness

    Properties:

    Very good resistance to high and low temperature,

    Good combustion resistance,

    Low surface tension,

    High compressibility,

    Absence of ageing upon exposure to atmospheric agents,

    Good oxidation resistance,

    Little change in viscosity with temperature,

    Good resistance to high and prolonged shear stress.

    Technical index:

    Properties

    MY PDMS

    201-50

    201-100

    201-300

    201-350

    201-500

    201-1000

    Appearance

    Colorless, limpid liquid

    Viscosity at 25, mm2/s, approx.

    50

    100

    300

    350

    500

    1000

    Specific gravity at 25, approx.

    0.959

    0.965

    0.970

    0.970

    0.970

    0.970

    Flash point (Open cup), , approx.

    280

    ≥300

    ≥300

    ≥300

    ≥300

    ≥300

    Freezing point, , approx.

    -55

    -55

    -50

    -50

    -50

    -50

    Refractive index at 25, approx.

    1.402

    1.403

    1.403

    1.403

    1.403

    1.403

    Surface tension at 25, mN/m, approx.

    20.7

    20.9

    21.1

    21.1

    21.1

    21.1

    Vapor pressure at 200, Pa, approx.

    1.33

    1.33

    1.33

    1.33

    1.33

    1.33

    Volume expansion coeff. Between 25 and 100, cm3/cm3/,approx.

    1.05*

    10-3

    9.45*

    10-4

    9.45*

    10-4

    9.45*

    10-4

    9.45*

    10-4

    9.45*

    10-4

    Specific heat capacity between 40 and 200, J/(g.K)

    1.46

    1.46

    1.46

    1.46

    1.46

    1.46

    Thermal conductivity, W/(m.K), approx.

    0.16

    0.16

    0.16

    0.16

    0.16

    0.16

    Viscosity/temperature coeff. [1], approx.

    0.59

    0.60

    0.62

    0.62

    0.62

    0.62

    [1] Viscosity/temperature coefficient =1-(Viscosity at 99℃/Viscosity at 38℃)

    Packaging:

    MY PDMS 201-50-201-1000 are available in 25 and 200 kg drums, in 1000kg IBC containers or in 20 tonnes tank.

    Storage and shelf life:

    When stored in its original unopened packaging at a temperature of between -20 and +50 ℃, MY PDMS 201-50 - 201-1000 may be stored for up to 36month from its date of manufacture (expiry date). Comply with the storage instructions and expiry date marked on the packaging.

    Exceed the date, Mingyi no longer guarantees that the product meets specifications.





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