Engineering Company for Mining

Talc

Chemical composition, % Talc SiO2 TiO2 Al2O3 Fe2O3 CaO MgO K2O Na2O Loss on ignition Grade 1 54-59 0.9-1.2 41-41.5 1.0-1.2 0.27-0.35 0.19 0.28-0.4 0.19-0.2 13.35-13.6 Grade 2 56-60 0.8-1.1 40-41 1.2-1.5 0.27-0.35 0.18 0.85 0,16-0,2 13.16-13.4 Grade 3 60-65 0.77-0.9 37-39 1.3-1.7 0.20-0.3 0.20 0.69 0.14-0.18 11-12.5

Particle-size distribution, % Talc Powder Residue %, µm, (fraction)   >250 250-50 50-10 <10 Grade 1 0.2 0.96 2.9 95.94 Grade 2 0.06 2.1 4.5 93.35 Grade 3 1.4 7.7 7.8 83.1