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M. P. MICA ENTERPRISES PVT. LTD.
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Muscovite Mica Properties


Properties Units Muscovite
Color
Ruby/ Green/ White
Density gm/cm3 2.6 – 3.2
Specific heat
0.21
Hardness Moh scale 2.8 – 3.2

Shore Test 80-105
Breakdown voltage KV/mm 120 – 200
Coefficient of expansion per  °C perpendicular to cleavage plane
9 x 10-6 – 36 x 10-6
Thermal conductivity perpendicular to cleavage plane Gm.cal/sec/cm2/°C/cm
 about 0.0013

BTU/hr/ft2/0f/ft about 0.31
Thermal conductivity parallel to cleavage plane Gm.cal/sec/cm2/°C/cm  

BTU/hr/ft2/0f/ft
Water of Constitution %
4.5
Moisture Absorption
Very low
Volume Resistivity 25°C (77°F) ohm cm 40 x 1013 -2 x 1017  
Acid Reaction
affected by hydrofluoric acid
Insulation resistence x1013ohm/cm 4-20000
Calcining temp °C 700-800
Max. operating temp °C 500-600
Optic axial angle degrees 55 – 75
Tensile strength MN/m2 175
Shear strength MN/m2 220 – 270
Compression strength MN/m2 190 – 285
Modulus of Elasticity Kgfcm2 x 10-3
lbf/in2 x 10-6  		 1400 – 2100
20 – 30
Loss tangent x10-4 1-4
Permittivity at 15°C (60°F)
6 – 7




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M. P. MICA ENTERPRISES PVT. LTD.
27, Brabourne Road, Narayani Building 6th floor, Room - 608, Kolkata - 700001, West Bengal, India
Phone :+917259636349
Fax :91-33-22319080
Mr Subhash Bhudolia (Director)
Mobile :+917259636349
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