... crystal, white powder, granular crystal or prill. Potassium carbonate tech grade is monoclinic crystal, white powder, granular crystal or prill.Property ... is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. Potassium Carbonate is foliar spray fertilizer and a ... , tanning, ceramic, building materials, crystals and medicine. Potassium carbonate tech grade