Silicone Fluids - Diethyl Silicone Fluid

SiSiB® EF2050-4

Polydiethylsiloxane


Chemical Structure


Introduction

Polydiethylsiloxanes offer the same beneficial properties as the Polydimethylsiloxanes with improved compatibility with commonly used cosmetic waxes and oils.
Polydiethylsiloxanes offer improved metal-metal lubrication and low temperature properties when compared to polydimethylsiloxanes.


Typical Physical Properties

Product: SiSiB® EF2050-4
CAS No.: 63148-61-8
Molecular Weight: 275~325
Color and Appearance: Colorless to straw liquid
Specific Gravity [25°C]: 0.844
Refractive Index [25°C]: 1.436
Flash Pointt: 80°C
Pour Point: -115°C
Thermal Conductivity, W/m°C: -
Viscosity [25°C]: 3~5 cSt

Applications

Low surface tension enables Polydiethylsiloxanes to spread easily on skin and hair, acting as a lubricant and de-tackifying agent. Polydiethylsiloxane has a slippery, emollient, yet non-greasy skin feel with more body and cushion than Polydimethylsiloxane of equal viscosities.

Unlike Polydimethylsiloxanes, Polydiethylsiloxanes wet pigments well, when formulating color cosmetics.

They are oxidatively stable to 150°C and thermally stable under inert atmospheres to 225°C. These fluids are often used in low temperature aerospace hydraulics.


Packings

SiSiB® EF2050 is supplied in 210L steel drum., for more details, please visit Packing Centre.

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