Gelest Silicone Fluids - Gelest Inc.
Gelest Silicone Fluids - Gelest Inc.
Gelest Silicone Fluids - Gelest Inc.
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SILICONE FLUIDS Property Profile Guide<br />
Comment<br />
Thermal Properties<br />
1,000 hours<br />
High Temp °C<br />
in air,max.<br />
indefinite<br />
High Temp °C<br />
O2 free,max.<br />
pour point,<br />
Low Temp °C<br />
low value<br />
Page 8<br />
Conventional<br />
<strong>Silicone</strong> <strong>Fluids</strong><br />
175°<br />
200°<br />
-70°<br />
Rheological Properties Viscosity,cSt. range 3-2.5 x 10 6<br />
Visc.-temp.coeff. low value 0.51<br />
Electrical Properties<br />
Dielectric Strength,<br />
volts/mil<br />
range 360-400<br />
Dielectric Constant range,100Hz 2.50-2.77<br />
Mechanical Properties Compressibility,% @ 20,000 psi 9.1<br />
Density,g/cc 0.90-0.98<br />
Compatibility Properties<br />
Water solubility<br />
insoluble<br />
Hydrocarbon aromatic/ soluble/<br />
solubility aliphatic partial<br />
Optical Properties Refractive Index n 25<br />
D<br />
range 1.393-1.403<br />
Release &<br />
Wettability Properties<br />
Wear/Lubricity Properties<br />
Surface Tension,<br />
dynes/cm<br />
range 19.2-21.6<br />
Four ball wear,mm<br />
at 75°C,40 Kg.load 2-3<br />
steel on steel,one hr.<br />
Notes:<br />
All data on this table are for comparative purposes.<br />
The classes of fluids have a range of properties that<br />
do not represent the performance of an actual fluid.<br />
Values reported for fluids including the paraffin<br />
hydrocarbon oil are without additives such as EP<br />
agents or stabilizers.<br />
©Copyright 1998 <strong>Gelest</strong>,<strong>Inc</strong>.
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