| We want 20 kgs microtalc of the following chemical analysis:
SIO2 62,4%,AL2O3 0,2%,Fe2O3 0,1%,FeO 0,2%, CAo 0,3%, MgO 31,3%, Co2 0,5%,H2O+110 C 4,9%,Humidity 0,1%.
specific gravity 2,77 g/cubic cm,hardness 1,
whiteness amber filter 94,5,green filter/bluefilter 94,oil... |