Sillimanite Big Block Back

Sillimanite Big Block
Sillimanite Big Block
  • Item : Sillimanite Big Block
  • Apparent Prosity (%): ≤21
  • Bulk Density g/cm3 : ≥2.5
  • Cold Crushing Strength Mpa: ≥50
  • Pyrometric Cone Equivalent S.C. SK : 36
  • 0.2Mpa Refractoriness Under Load T0.6 ℃: ≥1550

Features

Sillimanite Big Block: due to its good chemical stability, high fire resistance, big intensity and good high temperature performance, it is a new top-grade refractory material with high erosion resistant.

Parameter

Physical and chemical index:

Item GXS-60
Chemical composition Al2O3 ≥60
SiO2 ≤38
  Fe2O3 ≤1.0
Apparent Porosity% ≤21
Bulk Density g/cm3 ≥2.5
Cold Crushing Strength Mpa ≥50
0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1550
Permanent Linear Change On Reheating (%)1500℃X2h ±0.1
Thermal Shock Resistances 100℃ water cycles ≥20
Reversible Thermal Expansion 1000℃ 0.6
Pyrometric Cone Equivalent S.C. SK 36
Range of Application Furnace Bottom Block


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