... such as Ca2+ ,Mg2+ ,can soften hard water, change suspension into solution, alkalescent, without causticity.Specifications: Name of indexFCCMain contents ... leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud ... be stored separately from poisonous substances. Free Sample Food grade Sodium Tripolyphosphate