... , it can be used in the making of antifreeze, calcium nitrite Formula:Ca(No2)3 ... :white powder it is the main material of concrete additive, it can be used in the ... making of antifreeze, rust inhibitor of steel bar, early strength agent, it also ... used in the washing of heavy oil, emulsification of lube and chemicals, antifreeze, rust inhibitor of steel bar3, early strength ...