high alumina fire brick

International Code Name: SK35
Chinese Code Name: LZ-48
Refractoriness℃, min: 1750
Apparent Porosity: &le;22 ％
Bulk Density: 2.25-2.35 g/cm3
Cold Crushing Strength: &ge;39 Mpa

High alumina bricks is made of high-quality bauxite clicker as starting material by sgaping at high pressure and sintering at high temperature.

Advantages: 1. Corrosion-resistant; 2. Various shapes; 3. High quality;

Applications: High alumina bricks are mainly used in furnace for glass,each position of linings of blast furnace.

The main applications are: 1,Hot-blast stove; 2,Blast furnace; 3,Glass furnace

Specifications: 1,High temperture resistant; 2,Chemical erosion resistant; 3,thermal stability; 4,slag resistance

Technical Data & Physical and chemical index :

Item	Index
International Code Name	SK35	SK36	SK37	SK38	SK40
Chinese Code Name	LZ-48	LZ-55	LZ-65	LZ-75	LZ-80
Al2O3 ,%	≥48	≥55	≥65	≥75	≥80
Fe2O3, %	≤2	≤2	≤2	≤2	≤2
Refractoriness℃, min	1750	1770	1790	1790	1790
Apparent Porosity％	≤22	≤22	≤23	≤23	≤21
Bulk Density g/cm3	2.25-2.35	2.25-2.35	2.25-2.35	2.25-2.35	2.25-2.35
Cold Crushing Strength Mpa	≥39	≥44	≥49	≥54	≥65
0.2Mpa Refractoriness Under Load T0.2 ℃,min	≥1420	≥1470	≥1500	≥1520	≥1530
Permanent Linear Change On Reheating （%）1500℃X2h	+0.1~-0.4 x1450℃	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4

Tags: high alumina brick, high alumina fire brick, high alumina refractory brick,

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