Special Features:

Quick dissolving white flake, bead or granulat sours designed to give complete neutalization of the washload, and water alkalinity, and to remove rust stains and prevent discoloration of fabrics; the sour is to be added manully to the wash wheel or to the supply compartment of an automatic feeding device; the sour consists of wetting agents, sodium silicofludoride, and/or sodium bifluoride; the amount of the sum of fluoride salts is 85.0 percent; ph not greater than 3.6, neutralization capacity of 600, with not more 5 percent matter insoluable in water

Properties:

A mild acid solution used in laundries, in process of bleaching to neutralize alkali.