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Cast Big Sillimanite Block

Cast Big Sillimanite Block

Item:Sillimanite Big Block

Apparent Prosity :≤21%

Bulk Density :≥2.5 g/cm3

Cold Crushing Strength :≥50 Mpa

Pyrometric Cone Equivalent S.C. SK :36

0.2Mpa Refractoriness Under Load T0.6 ℃:≥1550

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 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.

Technical Data

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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