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Product Datasheet

 Analysis Typical %
SiO2 61 - 62%
MgO 30 - 32%
Al2O3 0.1%
Fe2O3 0.51%
CaO 0.1%
pH 9.3
DIN 53140 Reflectance Factors Rx        93 - 96%
Elrepho 3000 Ry        92 - 96%
ISO Brightness R457    92 - 95 %
E313 Yellowness YI         0.2 - 0.4
 Physical Properties
Particle size  
    45 micron 100% passing
    20 micron 98%
    8 micron 75%
    5 micron 50%
    2 micron 30%
Surface Area (BET method)m2/gm 7
Hardness 1
Mean particle size 4 - 5 micron
Specific Gravity 2.65 - 2.75
Bulk Density Gm/cc 0.45
Loss on Ignition @110oC 0.5
Oil Absorption ml/100gm 35 - 37
Moisture 0.5% Max
 Packing
25kg poly bags

Information above is given in good faith as accurate but not guaranteed to be a specification. No guarantee is given or implied. Users should conduct tests to determine suitability for any specific purpose.

IMD (Pty) Ltd
4 arlington road, bryanston, 2191, gauteng, south africa
tel: +2711 706 0322 fax: +2711 463 2475
info@imdza.com - www.imdza.com

Micro Talc ST20

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Micro Talc ST20

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