Reference standard

GB 5069 magnesia refractory analysis method

General regulations for packaging, marking and quality certificates of GB 5689 gold mining products

classification

Light burned magnesium powder is 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.