High quality mgco3 powder, being widely used in many industrial fields... Physicochemical Properties: White amorphous powder, nontoxic, odorless, stable ... , etc. Processing Method:Brine, Soda Method, Ammonium Bicarbonate MethodGrade: industrial gradeExecutive standard:HG/T2959-2000Name of indexIndexTest resultMagnesium oxide (Mgo ... ≤0.0250.025Bulk density(g/ml) ≤ 0.26 MgCO3, Industrial Grade