Message: | Feature
► 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
►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 |