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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