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  • 10th Floor, Building 6, China Central Electronic Commerce Port, Daxue Road, Erqi Dist., Zhengzhou 450000, Henan, China

high alumina fire brick

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

High alumina bricks
  • International Code Name :SK35
  • Chinese Code Name:LZ-48
  • Refractoriness℃, min :1750
  • Apparent Porosity:≤22 %
  • Bulk Density :2.25-2.35 g/cm3
  • Cold Crushing Strength:≥39 Mpa

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

High alumina bricks

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

High alumina bricks

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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