Potassium Carbonate is mainly used in the soap, glass and dishware production but it can also be used for various other applications like mild drying agent, food production like grass jelly and moon cakes, alkalization in cocoa powder, a buffering agent in the production of mead and wine, water softening agent, fire suppressant, and a nutritional supplement in animal feed. Specifications Appearance: White granular K2CO3: â?¥ 99.50% KOH: < 0.20% KCl: < 0.015% K2SO4: < 0.01% Fe: < 5 PPM Na: < 0.4% Pb: < 2 PPM Ignition Loss: < 0.50% Packing 55.12 LB Bag, 40 Bags per Pallet