Alumina Flux Crushed Stone

Alumina Flux Crushed Stone
Spec. 08.12.12.140-04-05859678-2018

Alumina Flux Crushed Stone grade AF-70 is received from slag, generated during chrome metal melting as per aluminothermic technology with further processing for achieving required parameters.

Alumina flux crushed stone AF-75 is obtained from the slag, generated during chrome metal melting, by means of its remelting in electric-arc furnace with addition of charging materials.

Alumina flux crushed stone is used:

  • in production of high-temperature (refractory) concrete, refractories, abrasive materials;
  • as fillers of fire clay castables and refractory items;
  • for preparation of refining slags, metallurgical slags, sulphur removal out of the metal

Chemical composition:

ParameterMeasuring Range, %
AF-70AF-75
Al2O3≥ 70≥ 75
MgO≤ 3≤ 3
Cr2O3≤ 17≤ 2
CaO3-6≥ 10
SiО2≤ 2≤ 2
FeO≤ 1,5≤ 1,5

Lumps size: 0-400 mm; 0-100 mm; 0-10 mm.
Packing:

  • bulk;
  • big bags of 1000 kg net

Lumps size as well as packing can be obtained according to the Customer’s demand.