Slate Powder chemically is silica in the form of Aluminium silicate and iron silicate. It contains a small quantity of Calcium, Magnesium Titanium in oxide form. Slate Powder has a typical greyish black colour. It has Blackboard like properties. Slate is carved and sliced from solid state rocks.Slate cake is powdered and pulverised and then used as Slate Powder.
Slate Powder is available in Madhya Pradesh. Slate Powder chemically is silica in the form of Aluminium silicate and iron silicate. It contains a small quantity of Calcium, Magnesium Titanium in oxide form. Slate Powder has a typical greyish black colour. It has Blackboard like properties. Slate is carved and sliced from solid state rocks. Slate cake is powder red and pulverised and then used as Slate Powder. Physical Properties : Aappearance : Gryish Black powder. Bulk density : 0.69 Sp. gravity : 2.75 to 2.85 Oil obsorption : 20 - 25% Moisture : 0.1% Loss on ignition : max. 5.5% PH of 10% sol. : 8.5 to 9.0. Water sol. matter : max 1% Test for Barium : -ve [Negative] Chemical Composition : SiO2 : 63.7% Al2O3 : 15.75% Fe2O3 : 9.50% TiO2 : 1.10% CaO : 1.25% MgO : 2.5% Uses : Used as a filler in variety of industries such as paints, rubber, cable, footwear, foundary, etc. Normal Supplies : 240 mesh, and micronised or as per. customer's demands. Packing : 40 Kgs.HDPE bags. Material Storage : Store the material in dry area , avoiding moisture dust. This material is non-hazardous non-flammable.
Talc is a naturallyaccouring steatite. It is also called as french chalk, soap stone. It comes in brilliant white and off colour. It has extremely soft soappy feeling and the powder is very slippery. Chemically Talc is Magnesium Silicate : 3Mgo, 4SiO2, H2O. [Magnesium Sislicate] Chemical Composition : MgO : 30.0 32.5% SiO2 : 64.0 66.0% Fe2O3 : 00.5% CaO : 1.5 2.5% Physical Properties Appearance : White fine smooth powder Sp. gravity : 2.7 to 2.9 Bulk density : 0.5% Whiteness : 94% Oil absorption value : 35 to 40% Hardness : 1 (Mohs) Moisture Volatile matter : 0.5% by wt. (105 deg.C) Water soluble matter : Max 0.5% PH of 10% aqueous Solution : 8 to 10 (ASTM D 1208-65 BS 17)