... powder•Package: 25 kg,1000kg,1100kg or 1200kg net in paper bag with inside polyethylene coating,or to be covered by buyers ... )(Purity),wt. % ,min98(Ca content),wt. % ,min30.1(Heavy metals),(Pb)---(Water insoluble),.---(Dry weight loss),wt. % ,max0.5(PH of ... )(Purity),wt. % ,min98(Ca content),wt. % ,min30.1(Heavy metals),(Pb)0.001(Water insoluble),.0.3(Dry weight loss),wt ...