31% polyaluminium chloride 1,Good quality and reasonable price 2,Free ... available 3. Factory of PAC 4. Water treatment PACSpecification: IndexSpecificationIndexSpecificationAl2O329-31%Arsenic (As)≤ 0.0006%Basicity40-90 %Mn %≤0.045Insoluble substance ... no insolationPacking: plastic woven bag with Peliner.N.W.25kg. 31% polyaluminium chloride