Al2O3 : 72-74 %
Water Absorption: 9.5-10.5 %
Bending Resistance: 40-50 Mpa
Density : 2.4-2.45 g/cm3
Thermal Shock Resistance: very good
Thermal Expansion: 5.6 10-6xK-1 (20-1000 0C)
Maximum Working Temperature: 1250 0C
Refractoriness: 1750 0C.
Wooden box, thermocal.
Al2O3 : 78-80 %
Water Absorption: 4.5-5.5 %
Bending Resistance: £¾72 Mpa
Density : 2.8-2.9 g/cm3
Thermal Shock Resistance: very good
Thermal Expansion: 5.5 10-6xK-1 (20-1000 0C)
Maximum Working Temperature: 1400 0C
Refractoriness: 1850 0C.
Wooden box.
Al2O3 : 74-76 %
Water Absorption: 8-9 %
Bending Resistance: 55-60 Mpa
Density : 2.5-2.55 g/cm3
Thermal Shock Resistance: very good
Thermal Expansion: 5.7 10-6xK-1 (20-1000 0C)
Maximum Working Temperature: 1300 0C
Refractoriness: 1800 0C.
Wooden box , thermocal.
