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INDO UNION MICA COMPANY
BEST QUALITY NATURAL MICA SUPPLIERS SINCE 1959.
Natural mica. : Technical data.
(Potassium Aluminium hydro silicate ) Natural insulating material
with extraordinary properties.
A-.Electrical properties:
Thermal reisistance : 0.35 k/w
Breakdown voltage : 2.4 k/v
Dielectric constant : 3.5
Volume resistivity : 10 0hm-cm
B-.Physical properties:
Tensile strength : 275 kp/cm2
Hardness : 80-150 shore A
C.-Thermal properties:
Melting point : 1250-1300 degree c.
Maximum operating temperature : 550 celcius.
D.-Chemical composition:
Silica : 45 %
Alumina : 37%
Potash : 10%
Ph for water: 5%
Specific gravity: 2.82