1.Water treatment chemical 2.PASP(Sodium of Polyaspartic Acid) 3.corrosion inhibitor and ... has good antiscale effects on calcium carbonate, calcium sulfate, barium sulfate, calcium phosphate, etc.. Its antiscale rate for calcium carbonate is 100%. Moreover, this ... eye and skin, once contacted, flush with water. Water treatment chemical PASP(Sodium of Polyaspartic Acid) is for corrosion inhibitor and ...