Ladle Refractory Castable

Ladle Refractory Castable is made of bauxites, corundum and magnesia as raw materials, prepared by micro-powder technology and additive.

Features:

  • Good thermal shock resistance.
  • Excellent corrosion resistance.
  • Good volume stability.

Application:

  • Steel furnaces.
  • Iron making furnaces.
  • Glass kiln.
  • Ceramic tunnel kiln.
  • Cement kiln.
Ladle CastableSpinelAl and MgMg mass
Al2O3, % ≥-887232
MgO, % ≥-71160
SiO2, % ≥--9.5-
Bulk Density, g/cm3 ≥110℃×24h3.12.92.9
1550℃×3h2.952.82.8
Linear change, %110℃×24h0-0.20-0.20-0.2
1550℃×3h0-0.80.5-1.50.5-1.2
Modulus of Rupture, MPa ≥110℃×24h796
1550℃×3h898
Cold Crushing Strength, MPa ≥110℃×24h306045
1550℃×3h706040
Amount of water, %-5.0-6.05.0-6.05.0-6.0