KELEI MATERIAL Co.,Ltd.

Iron&Steel Industries
Aluminum Industries
Cement Industries
Garbage Disposal Industries
Power Generation Industries

Direct-Bond Magnesite-Chrome Bricks

Product Features:

The brick made from sintered magnesia clinkers, chrome ore and fused magnesia-chrome ,sintering at high temperature 1800°C is named direct bond magnesia-chrome brick. The refractory, contains MgO 60-70%,Cr₂O₃ 8-20%. It has good specifications in stability, high temperature constructure strength, resistance to basic slag, The brick is extensively applicated in nonferrous furnace, steel electric arc, steel open hearth, converters, torpedo, vacuum treatment unit, burning zone of cement rotary kiln.

Technical Properties Data:

Item	MGe-8	MGe-12	MGe-16	MGe-20	DMG-70	DMG-60
MgO % Cr₂O₃ % CaO %	60min. 8min.	55min. 12min.	45min. 16min.	40min. 20min.	70min. 8-12 3max.	60 min. 15min.
Apparent Porosity %	24 max.	23max.	23max.	23max.	18 max.	18 max.
Bulk Density g/cm³	2.9min.	2.9min.	3.00min.	3.00min.	3.00min.	3.05min.
Cold Crushing Strength Mpa	24.5min.	24.5min.	24.5min.	24.5min.	45 min.	45 min.
Modulus Of Rupture MPa at ℃					6 min.	6 min.
Refractoriness Under Load T_0.6 ℃ at 0.196 MPa	1530min.	1550min.	1550min.	1550min	1700min.	1700min.

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