Phenyl methyl silicone oil 255-75

This item is similar as KF-53 by Shin-Etsu in Japan, and DC-550 by DOW CORNING in US.

 Molecular Structure

    C₆H₅    CH₃     CH₃     C₆H₅     C₆H₅

     ︱      ︱       ︱      ︱      ︱

H₃C—Si—O-[-Si—O-]m-[ Si -O-]n[-Si—O-]z-Si—CH₃

     ︱      ︱       ︱      ︱      ︱

     C₆H₅   CH₃      C₆H₅    C₆H₅    C₆H₅

                        [m＞1, n＞1,z＞1]

Performance

255-75: Apart from the general property of methyl silicone oil. 255-75 also enjoy a good heat stability. Oxidation-resistant capacity, lubricity and anti-radiation capacity, and with strong surface tension, lower freezing point and water stability, the product has a good miscibility with other organic resins, suitable for treatments of insulation, high-temperature lubrication, damping, anti-vibration, anti-dust, mold releasing, high-temperature heating oil bath and base oil.

Specification

Appearance: light-yellow transparent liquid

Viscosity (25℃) :mm2/s50~100

Specific gravity: ≥1.02-1.08

Refractive index:1.480-1.495

Flash point: ≥280℃

Congealing point: ≤-40℃

Term of validity

This item is non-hazardous chemicals. Just well protected against dampness, moisture , sun etc when storage and transportation.  The term of validity is 2 years. But It can be extendable to 5-10 years under effective package & storage conditions.

TIPS:We can produce all kinds of different viscosity silicone oil according to the request of the customers.