ITEM GL-1 GL-2 GL-3 GL-4 G-5
Al2O3(%min) 75 80 85 90 55
Fe2O3(%max) 1.8 - - - 2.0
Refractoriness 1770 1780 1780 - 1650
B.D(g/cm3) 2.45 2.8 3.1 2.9 2.4
C.C.S 65 10 135 - 50
Linear change -0.6 -0.5 -0.5 +0.3 +0.18
R.U.L 1430 - - - 1370
Application: turning kiln, hot converter lining , the part to contact fire on stove etc.
Al2O3(%min) 75 80 85 90 55
Fe2O3(%max) 1.8 - - - 2.0
Refractoriness 1770 1780 1780 - 1650
B.D(g/cm3) 2.45 2.8 3.1 2.9 2.4
C.C.S 65 10 135 - 50
Linear change -0.6 -0.5 -0.5 +0.3 +0.18
R.U.L 1430 - - - 1370
Application: turning kiln, hot converter lining , the part to contact fire on stove etc.

