| Refractory Products|Refractory raw materials|
	|General Refractory Products|Fire clay and high alumna brick for hot-blast stoves|Coke oven refractory bricks|Refractory bricks for blast furnace|Refractory for pretreatment of hot metal|High alumni bricks for electric arc furnace roofs|Refractory Bricks for circling furnace and refining furnace|Ladle|Con-casting refractory products|Refractory for teeming|Monolithic refractory& Others   Refractory bricks for blast furnace 　　　　Brand Item Fire Clay High Alumina Amellorate high-alumina brick AL2O3 brick Corundum brick Mullite brick ZGN-42 GN-42 GL-48 GL-55 GL-65 GLL-65 GLS-70 烧成fired 不烧unfired GY-97 MZ-70 AL2O3% ≧42 ≧42 ≧48 ≧55 ≧65 ≧65 ≧70 ≦60 ≧60 ≧97 ≧70 Fe2O3% ≦1.6 ≦1.7 ≦2.0 ≦2.0 ≦2.0 ≦2.0 ≦2.0 C≧12 C≧12   ≦1.0 Refractoriness℃ ≧1750 ≧1750 ≧1750 ≧1770 ≧1790 ≧1790 ≧1790       ≧1790 Apparent porosity% ≦15 ≦16 ≦18 ≦19 ≦19 ≦19 ≦19 ≦15 ≦10 ≦21 ≦23 Bulk density g/cm3                     ≧2.55 Cold crushing strength Mpa ≧58.8 ≧49.0 ≧49.0 ≧49.0 ≧58.8 ≧60 ≧60 ≧50 ≧40 ≧60 ≧55 Refractoriness under load ℃ ≧1450 ≧1430 ≧1450 ≧1480 ≧1500 T2≧1550 T2≧1520 ≧1650 ≧1650 ≧1700 T2≧1700 Permanent linear change on reheating % 1450℃×3h 0-0.2 1450℃×3h 0-0.3 1450℃×2h 0-0.2 1500℃×3h 0-0.2 1500℃×3h 0-0.2 1500℃×3h 0-+0.4 1500℃×3h 0-0.2 ≧12MPA Ambient temperature bending ≧15MPA Ambient temperature bending 1600℃×2 0-0.2 Resistance to thermal shock times(1100℃ water cooling)Times               ≧8 ≧20     Application parts Stack, Bosh, Belly, Bottom Cooling wall Stack, belly, bosh, hearth Stack, belly, bosh, hearth and ceramic cup ©2000 ShanDong province refractory raw materials corporation. All rights reserved. ©Web Hosting and Web Designed by MEETCHINA.COM