Brick

MAGNESIA-CHROME

Burnt Magnesia-Chrome bricks are made from high quality Magnesia and Chrome conrcentrate. The Chromium Oxide (Cr2O3) content can be adjusted according to the requirements of the application.

Mag-Chrome bricks exhibit good thermal stability and operate at elevated temperatures. They are widely used in cement kilns, non-ferrous metal furnaces and the like.

High temperature burnt (directly bonded) magnesia-chrome bricks, semi-rebonded magnesia-chrome bricks and rebonded magnesiachrome bricks are all made from low impurity raw materials. All or part of the raw materials are preburnt or electro-fused.

USED IN
  • Large Rotary Kilns
  • Secondary Refining Units such as RH, VOD & AOD Furnaces
  • Non-Ferrous Metal Metallurgical Furnaces
  • Glass Tanks
Typical Composition
  • Magnesium Oxide
  • Chromium Oxide
  • Iron Oxide
  • Aluminium Oxide
  • Silicon Dioxide
  • Calcium Oxide
  

KEY DATA
MAGNESIA-CHROME BRICK
GRADE MGe 8A MGe 8B MGu 12A MGe 12B MGe I6A MGe 16B MGe 20A MGe 20B MGe 22
MgO % ≥ 65 60 60 55 50 45 45 40 46
Cr2O3% ≥ 8 8 12 12 16 16 20 20 22
APPARENT POROSITY % ≤ 20 20 20 20 20 23 20 23 20
COLD CRUSHING STRENGTH Mpa ≥ 35 30 35 30 35 30 35 30 35
REFRACTORINESS UNDER LOAD C 1620 1550 1620 1580 1620 1580 1640 1580 1580
REBONDED MAGNESIA-CHROME BRICKS
GRADE DMGe 16A DMGe 16B DMGe 20A DMGc 2 0B DMGe 24 DMGe 26
MgO % ≥ 65 60 60 60 52 50
Cr2O3 % ≥ 16 16 20 20 22 24
SiO2 % ≤ ≤ 1.2 1.6 1.2 1.l 1.2 1.2
APPARENT POROSITY % ≤ ≤ 16 16 16 16 16 16
COLD CRUSHING STRENGTH Mpa ≥ 45 40 45 40 45 45
REFRACTORINESS UNDER LOAD C 1750 1700 1750 1700 1750 1750
The data provided is taken from average test results conducted under standard procedures and conditions and should not be used for specification purposes..

To receive a quotation call:+44(0)174428304

CONTACT

Get In Touch
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Esspee Fabrications Ltd
149 Merton Bank Road
St. Helens
Merseyside
WA9 1DZ
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