FIRE BRICKS FOR GENERAL USE
Y-FB, GFB40, GFB42, GFB45
Al2O3(%)min.: 40%,42%,45%
Refractoriness.:1710,1730,1750
2)High alumina brick
3)Insulation brick TM23,TM26,TM28
4)Resist aid brick
5)Ceramic fiber blanket
6)Castables, mortars ,cements, ramming mixes
Y-FB GFB40 GFB42 GFB45 |
Al2O3(%)min. 40 40 42 45 |
Fe2O3(%)max. 2.5 |
Refractoriness()min. 1710 1730 1750 1750 |
Refractoriness under load 0.2MPa()min. 1300 1350 1400 1400 |
Apparent porosity(%)max. 22 20 20 20 |
Cold crushing strength (MPa)min. 30 30 35 40 |
Linear change after reheating(%)max. At 1350×2h +0.1 -0.4 At1400X3h +0.1 +0.1 +0.2 - 0.5 -0.4 -0.2 |
