... heated to 300 C, decomposition over time, generate water, carbon dioxide and magnesium oxide.PackingPlastic woven bag or kraft ... white monotonic crystal or amorphous powder,non-toxic, tasteless.The relative density of light magnesium carbonate is small, the ... department. And it also can produce senior glass products, Magnesium, pigment, paint, fireproofpaint, printingink, ceramics, cosmetiics,t ...