Gelest Silicone Fluids - Gelest Inc.
Gelest Silicone Fluids - Gelest Inc.
Gelest Silicone Fluids - Gelest Inc.
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<strong>Gelest</strong>, <strong>Inc</strong>.<br />
Properties of Conventional <strong>Silicone</strong> <strong>Fluids</strong> (Polydimethylsiloxanes) – continued<br />
Polydimethylsiloxane properties that do not vary significantly for fluids with viscosities greater than 10 cSt. are listed below.<br />
Acoustical<br />
Fluid Viscosity (cSt.)<br />
Velocity of sound, m/s<br />
30°C 50.7°C<br />
0.65 873 795<br />
2.0 931 863<br />
20 975 918<br />
100 985 930<br />
1,000 987 933<br />
Density<br />
Density g/cc<br />
1.02<br />
1.00<br />
98<br />
96<br />
94<br />
92<br />
90<br />
88<br />
86<br />
84<br />
82<br />
80<br />
-25<br />
Density vs. Temperature<br />
of Dimethylsiloxane <strong>Fluids</strong><br />
1000 cSt<br />
100 cSt<br />
10 cSt<br />
0 25 50 75 100 125 150<br />
TEMPERATURE, °C<br />
Electrical<br />
Dielectric Strength<br />
350-400V/mil<br />
Dielectric Constant 10 2 -10 6 Hz, 20°C 2.44-2.76<br />
Dissipation Factor 0.0001<br />
Volume Resistivity 1 x 10 15 ohm-cm at 20°C<br />
Dielectric Constant<br />
Dielectric Strength in kV/mm<br />
16<br />
3<br />
2.5<br />
2<br />
kV/mm<br />
14<br />
12<br />
10<br />
0 100 200<br />
0 100 200<br />
Power Factor<br />
0.01<br />
TEMPERATURE, °C<br />
TEMPERATURE, °C<br />
0.001<br />
0.0001<br />
0 100 200<br />
TEMPERATURE, °C<br />
10<br />
MANUFACTURERS OF SILANES AND SILICONES
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