Supply magnesia alumina chrome refractory balls

Magnesia alumina chrome refractory balls
1).High mechanical strength.
2).Hot-blast stove regenerator use
3).ISO 9001:2000.

Magnesia alumina chrome refractory balls
1.Definition: 

Refractory ball is made of  magnesite, aluminium and chrome ore mainly raw material, through scientifically confecting, molding, and high-temperature calcinating etc profess.

2.Highlight:

1). High mechanical strength, and long working line

2). Fine chemical stability, and not chemically react with the material

3). Fine high temperature resistant performance, and the highest temperature of the refractory ball can be reach to 1400 centigrade.

4).ISO 9001:2000

3.Properties:

Item: HXRB-006	Property
Al2O3  %	5-10
MgO  %	≥55
Cr2O3  %	≥2
Refractoriness °C	≥1790
Bulk density  g/cm3	≥2.8
Apparent porosity  %	≤ 20
cold crushing   strength  MPa	≥ 15
Refractoriness under load  at 0.2MPa °C	≥1520
Linear Change rate at  1500°C×2H on reheating %
Hot shock stability time	≥15

4. Application:

Widely used in the hot-blast stove and Heating transformation equipments in the steel making industry.