... (as NaCl):3.0%max,Insoluble matters in water:0.2%max,Alkali[as Ca(OH2)2]:0.35%max,Sulphate(as ... CaSO4):0.3%max,Packing:25kg ... as NaCl) ≤3.0%4 Insoluble matter in water ≤0.2%5 Alkali[as Ca(OH2)2] ≤0.35%6 Sulphate(as CaSO4 ... ) ≤0.3%1)Brief introduction: ...