The Copper Slag is very pure and is of a consistent quality with negligible variations in the chemical composition of key constituents viz. Iron Oxide, Silica (combined), Calcium Oxide etc. The Slag is SAFE for use as a Blasting medium containing less than 0.5% Free Silica and

25ppm of Chloride and for disposal based on negligible leaching out of heavy metals. Every batch of the finished product OMGRIT^® is sieve analysed to ensure that the particle size mix is within ±10% of the recommended grading curve.