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| IMSIL A-15 |
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Fine Grades
Microcrystalline Silica
Fillers and Extenders |
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Physical Constants:
Specific Gravity: 2.65
Weight per Solid Gallon: 22.07 lbs.
Bulking Value: 0.0453 gal./lb.
Moh Hardness: 6.5
Thermal Conductivity: 7 x 10 -3 cal/cm-sec-C
Linear Expansion Ratio: 10x10 -6
Specific Heat: 0.19 cal/g C
Melting Point: 1722C (31 00F)
Specific Resistance: 25 ohm cm x 10-3
Dielectric Constant: 4.3
Typical Chemistry:
Silicon Dioxide: 98.921
Iron Oxide: 0.056
Aluminum Oxide: 0.469
Calcium Oxide: 0.023
Magnesium Oxide: 0.018
Titanium Dioxide: 0.02~
Potassium Oxide: 0.049
Sodium Oxide: 0.009
Loss on Ignition: 0.425 |
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