Detailed Product Description

Brand Direct bonding magnesia-chreme brick General magnesia-chrome brick
Magnesia-alumina spinel brick Unburned magnesia-chrome brick
Magenesia-zircon brick
Item XDMC-7 XDMC-12 XML-75 XBMG-12 XBMG-8 XMZR
MgO =% 75 70 75 62 65 76
SiO2=% 2.5 3.0 1.8 3.5 3.1 ZrO212
Cr2O3=% 7 12 12 8
Al2O3=% 10
Bulk density=g/cm3 3.0 2.95 2.95 3.15 3.0 3.2
Apparent porosity 18 20 18 16 18 16
Cold crushing strength=MPa 40 40 45 60 50 80
Refractoriness under load=? 1650 1650 1680 1550 1530 1640
Thermal shock resistances water cycle
6 4 18 10 5-11 ?