... 2.Cas no.: 584-08-7 3.white powder or granular 4.Food grade Industrial grade 5. 25kgs per bag ... (as Pb)% Max0.002 Potassium Carbonate is used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is ... it is also used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, tanning, ceramic, building materials, crystals and medicine. ...