... of a fire, use water as extinguishing agent4) Potassium carbonate is used as raw materials in manufacturing electro tube, TV kinescope, computer ... etc. Potassium carbonate is foliar spray fertilizer and a constituent of compound fertilizer. In dyeing industry, it is ... degreasing. In addition, it is also used in manufacture of printing ink, photograph-drug, polyester, explosives, electroplating, tanning ...