Model Number

SK-32 SK-34 SK-35 SK-36 SK-38

Physical properties
Brand SK-32 SK-34 SK-35 SK-36 SK-38
Index
Refractoriness °C 1730 1750 1770 1770 1790
bulk density g/cm3 2.15 2.2 2.3 2.35 2.52
Apparent porosity % 24 24 23 23 23
Cold crushing strength Mpa 30 35 40 45 65
Refractoriness under load (0.2MP) °C 1350 1350 1400 1450 1550
Permanet liner change 1500°C 2hrs% +0.2to-0.2 +0.2to-0.2 +0.1to-0.4 +0.1to-0.4 +0.1to-0.4
Thermal expansion at 1000 °C 0.5 0.5 0.5 0.5 0.5
Fe3O4% 1.96 1.93 1.9 1.87 2
Al2O3% ; 42 48 55 60 65
SiO2 48-50 46-48 41-44 37-40 27-30


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