water treatment chemical/calcuim hypochlorite 65-70% Water treatment chemical Passed SGS,CIQ..ISO Contact mary at 13821507115 Water treatment chemicalCalcium hypochlorite (sodium process) Specification Calcium hypochlorite (calcium process)Chemical Formula: Ca(clo)2Molecular weight: 143 UN no.: 1748CAS no.: 7778-54-3 Standard:GB/T10666-1995Available chlorine35%-65%Size:0.055mm-2mmAnnual output: ...