Contents ≥ :99.999%;Fineness pack:10, 25, 50 kilograms/bag , inside the 2 F plastics bag , outside weave, iron bucket, paper barrel or plastics barrel.The white powder of tape pale red. The density 7.42 gs/cm 3.The fusion point is 2002 ℃ .Not being dissolved to water is dissolved to acis.Can absorb to compress medium carbon dioxide and water.