MULTILAYER DETERGENT TABLETS FOR DISHWASHING MACHINES

摘要

A multilayer detergent tablet for dishwashing machines based on alkali metal metasilicates, pentaalkali metal triphosphates, active chlorine compound, and surfactant. The tablet comprises a first cold water-soluble layer of alkali metal metasilicate nonahydrate, pentaalkali metal triphosphate, and a lowfoaming nonionic surfactant; and a second layer which dissolves rapidly at increasing water temperatures comprising alkali metal metasilicate, pentaalkali metal triphosphate, and an active chlorine compound.