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Ladle Refractory Castable

Material: Spinel, Al&Mg, Mg etc.

For ladle

Good thermal shock resistance

Excellent corrosion resistance

Good volume stability

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The ladle refractory castable is made of bauxite, corundum and magnesium oxide as raw materials, and is prepared by micro-powder technology and additives.

Ladle Refractory Castable Features

  1. Good thermal shock resistance.
  2. Excellent corrosion resistance.
  3. Good volume stability.

Ladle Refractory Castable Video


Ladle CastableSpinelAl and MgMg Mass
Al2O3 (%)≥88≥72≥32
MgO (%)≥7≥11≥60
SiO2 (%)≥9.5
Bulk Density  g/cm3 110℃*24h≥3.1≥2.9≥2.9
Bulk Density  g/cm3 1550℃*3h≥2.95≥2.8≥2.8
Linear change (%) 110℃*24h0-0.20-0.20-0.2
Linear change (%) 1550℃*3h0-0.80.5-1.20.5-1.2
Modulus of Rupture MPa 110℃×24h≥7≥9≥6
Modulus of Rupture MPa 1550℃×3h≥8≥9≥8
Cold Crushing Strength MPa 110℃×24h≥30≥60≥45
Cold Crushing Strength MPa 1550℃×3h≥70≥60≥40
Amount of water (%)5.0-6.05.0-6.05.0-6.0


Ladle refractory castables are widely used in steelmaking furnaces, ironmaking furnaces, glass furnaces, ceramic tunnel kilns, cement kilns, etc.

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