... materials in manufacturing electro tube, TV kinescope, computer display. Potassium Carbonate is used as raw materials in manufacturing electro tube, TV ... , explosives, electroplating, tanning, ceramic, building materials, crystals and medicine. Industrial Grade Food GradeUnitFine GradeTECHNICAL GRADEFIRST GradeRegular GradeUnitStandardPurity(as K2CO3 ) % ≥99.099.098 ...