Direct bonding magnesia-chrome brick

It has the advantage of high temperature structural strength,good stability of thermal shocking,excellent abrasive-resistance st

The product is made of sintered magnesia clinesia clinker and chromeiron ore,which are sintered to become a whole at 1700 degree C.It has the advantage of high temperature structural strength,good stability of thermal shocking,excellent abrasive-resistance strength,good resistance to corrosion.It is used in cement rotary kiln,heat-accumulationg room of glass kiln,non-ferrous furnace,electic furnaces,refining furnace outside vacuum furnace,hot-work equipment.

Brand of name      Index	Direct bonding magnesia-chrome brick
	ZMGe-8	ZMGe-12	ZMGe-16	ZMGe-18	ZMGe-20	ZMGe-26
MgO   %	≥70	≥60	≥60	≥55	≥35	≥40
SiO2   %	≤2.0	≤2.0	≤1.5	≤1.5	≤1.5	≤2.0
CaO   %
Cr2O3  %	≥8	≥12	≥16	≥18	≥20	≥26
Apparent porosity %	≤19	≤19	≤18	≤19	≤18	≤19
Cold crushing strength Mpa	≥45	≥45	≥45	≥45	≥45	≥45
Bulk density g/cm3	≥2.95	≥3.0	≥3.0	≥3.0	≥3.05	≥3.10
Refractoriness under load T0.6()	≥1650	≥1700	≥1700	≥1700	≥1700	≥1700
Thermal shock resistances 1100 water cycles	≥4	≥4

Direct bonding magnesia-chrome brick