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Metallurgy,Chemicals & Energy > Non-Metallic Minerals Products
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Business Type: Wholesaler
Main Products:Silicon Carbide Flake Graphite Boron Carbide Bauxite 88/87/86/85/80 Mullite 70/60/47/45 Fused Mullite Tabular Alumina White Fused Alumina Refractory BricksCarbon products
ID:20091621585
Category: Metallurgy,Chemicals & Energy Non-Metallic Minerals Products
MOQ:10.00 Ton(s)
clay brickRefractorykiln
L/CT/T
Clay bricks are widely used in glass furnace, blast furnace, hot-air furnace, cement furnace, chemical furnace and other heat-engineering equipments.
Item | General High alumina clay brick | General fireclay bricks | |||||||||
Brand | LZ-75 | LZ-65 | LZ-55 | N1 | N2a | N2b | N3a | N3b | N4 | N5 | N6 |
Al2O3 % min | 75 | 65 | 55 | 36-48 | |||||||
Fe2O3 % max | 2 | ||||||||||
Refractoriness ℃ min | 1790 | 1770 | 1770 | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 |
Reheating linear change 1500℃2h% PLC | +0.1 -0.4 | 1400℃, 2h% | 1350℃,2h% | ||||||||
+0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | +0.2 -0.4 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | |||||
Refractoriness under load (0.2MPa) ℃ PUL min | 1520 | 1500 | 1470 | 1400 | 1350- | 1320 | 1300 | ||||
Apparent porosity % max | 23 | 23 | 22 | 22 | 24 | 26 | 24 | 26 | 24 | 26 | 28 |
Cold crushing strength Mpa min | 53.9 | 49 | 44.1 | 30 | 25 | 20 | 20 | 15 | 20 | 15 | 15 |
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