Sunward Refractories

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Magnesia/Magnesia-Chrome Bricks
Sunward’s high quality magnesia and magnesia-chrome bricks are made from high grade magnesia clinker and chrome ore. Each brick undergoes a high temperature firing process these high-tech bricks are often used for BOF and EAF. The advantages of Sunward’s Magnesia/ magnesia-chrome bricks are:

Excellent thermal shock resistance.
Little volume change at high temperature.

Specification

Brand	MA-90	MA-95	ML-65	ML-75	UML-65	UML-75
Properties	MA-90	MA-95	ML-65	ML-75	UML-65	UML-75
Refractoriness (SK)	40	40	40	40	40	40
Apparent Porosity (%)	≦19	≦22	≦20	≦20	≦12	≦12
Bulk Density (g/cm³)	≧2.80	≧2.75	≧2.90	≧2.90	≧3.00	≧3.00
Cold Crushing Strength (Kg/cm²)	≧600	≧700	≧300	≧350	≧500	≧500
Chemical Composition (%) MgO Cr₂O₃	≧90 ---	≧94 ---	≧65 ≧9	≧75 ≧6	≧65 ≧12	≧75 ≧8
Characteristics	---	---	---	---	Unburned	Unburned

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