... .Heavy Metal (Pb): 0.002% max.PH : 8-11Application:1) To eliminate the snow and ice on the road, high way, parking ... lot, airport, port2)To oilwell drilling workover fluid, dehydrate agent in petrochemical3)To remove the dust in the air ... , waste water treatment.5)Antifreeze to make concrete, to speed cement hard.6)To make calcium during electroanalysis, To be raw material for other ...