Calcium oxidation - Import export

Calcium Carbide in its pure form is colourless but its technical grade pieces are grey or brown in colour. They consist of approximately 80-85% Calcium Carbide, the rest is calcium oxide, calcium phosphide, calcium sulfide, and calcium nitride etc. Calcium Carbide emits an unpleasant garlic like odour in the presence of moisture. It reacts violently with water.