... over time, generate water, carbon dioxide and magnesium oxide.PackingPlastic woven bag or kraft paper bag ... heat insulation and high temperature resistance. Asbestos light Magnesium Carbonate is an excellent insulating material. It ... supplies. Food-grade light magnesium carbonate can produce flour additives, dryer, color fixative, carrier, anti-caking agent. (Food grade) Magnesium Carbonate powder ...