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Smoothness

Bulk Density

Whiteness of Extender

PH Value

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.

Shelf Life : The life span is upto 5 years.

Note: The information provided are based on test report and reference. The user should test sample before bulk trial. This is purely natural process minerals. So there is possibility of purity ± 5%.