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High Temperature Kiln Applied Magnesia Chrome Brick High Refractoriness Magnesia Refractory Bricks
The refractory magnesia chrome refractory brick is a product made
of high-purity magnesia and imported chrome concentrate, which is
made by adding a small amount of additives and high pressure and
high temperature. Generally there are three different magnesia
chrome refractory bricks according to manufacturing method, which
are:
1.Common magnesite chrome refractory brick is made by sintered
magnesia and refractory level chrome ore as raw materials. The
space between refractory grains is bonded with silicate.
2.Direct-bonded magnesite chrome refractory brick is made by chrome
ore with low content of impurities and pure magnesite,firing at the
temperature above 1700°C.
3.Semi-rebonded and fuse-rebonded magnesite chrome refractory brick
are made by fused magnesite chrome sinter.
Items | CH-ZMGe | CH-ZMGe | CH-ZMGe | CH-ZMGe | CH-ZMGe | CH-ZMGe | ||||||
/ | 20A | 20B | 18A | 18B | 16A | 16B | 14A | 14B | 12A | 12B | 8A | 8B |
Mgo% ≥ | 45 | 40 | 50 | 45 | 52 | 47 | 60 | 55 | 65 | 60 | 65 | 60 |
Cr2O3% ≥ | 30 | 30 | 26 | 26 | 24 | 24 | 20 | 20 | 16 | 16 | 16 | 16 |
Fe2O3% | 8-15 | 8-15 | 7-15 | 7-13 | 6-13 | 6-13 | 5-13 | 5-13 | 5-12 | 5-12 | 5-12 | 5-12 |
SiO2% ≤ | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 | 1.5 | 2.5 |
Apparent porosity/% ≤ | 15 | 16 | 15 | 16 | 15 | 16 | 15 | 16 | 15 | 16 | 15 | 16 |
Bulk density g/cm3 | 3.38 | 3.38 | 3.33 | 3.33 | 3.30 | 3.30 | 3.25 | 3.25 | 3.20 | 3.20 | 3.20 |
Applications of Magnesia Chrome Brick :
Furnaces of metallurgy industry
Furnace of incineration of garbage
Furnaces of chemical industry and construction industry.
CFB (circulating fluidized bed) and heat treatment furnace
CH Refractories has been major in refractories manufacturing for three decades year, our professional engineers will suggest you the most suitable and economical magnesia chrome refractory brick according to your kiln or furnace casting condition to save your money and achieve the best performance.