china dead burned magnesite - chinese supplier ~ ?magnesia, 1309-48-4, specification qm-95 qm-92 qm-90 mgo (%) > 95.0 > 92.0 > 90.0 sio2 (%) 3.20 > 3.18 > 3.16 ignition loss (%) < 0.30 < 0.30 < 0.30 size 0.3 ~ 2 mm 0.3 ~ 2 mm 0.3 ~ 2 mm 0 ~ 60 mesh 0 ~ 120 mesh 0 ~ 120 mesh ? 10 ~ 120 mesh 10 ~ 120 mesh other specifications and sizes available according to customer's request packing: 1 mt p.p. bag or bulk capacity: 5000 mt per month ? minimum order: 2000 mt per lot delivery: within 45 working days after signing of contract