... tube, TV kinescope, computer display. Potassium Carbonate is used as raw materials in manufacturing electro ... potassium sorbate, monopotassium phosphate, etc. Potassium Carbonate is foliar spray fertilizer and a constituent ... , tanning, ceramic, building materials, crystals and medicine. Industrial Grade Food GradeUnitFine GradeTECHNICAL GRADEFIRST GradeRegular GradeUnitStandardPurity(as K2CO3 ) ...