Reference standard

GB 5069 Magnesium Refractories Chemical Analysis Method

General Regulations on Packaging, Marking and Quality Certificate of Metallurgical and Mineral Products GB 5689

classification

Light burnt magnesia powder can be divided into nine grades according to its chemical composition: QM-96, QM-95, QM-94, QM-92, QM-90, QM-87, QM-85, QM-80 and QM-75.

technical requirement

Physical and chemical indicators should meet the requirements of Table 1.