High Alumina Bricks Firebricks Refractory - China

High alumina brick Brief description Laurel

high alumina bricks are produced with

selected bauxite chamotte by advanced process

and strict quality control.

The main mineral

components are corundum and mullite phases.

It

features excellent high temperature mechanics

and chemical corrosion resistance.

Technical data

Item HA60 HA70 HA75 HA80

AL2O3(%) ≥60 ≥70 ≥75 ≥75-80

SIO2(%) 32 22 20 ≥18

Fe2O3(%) ≤1.7 ≤1.8 ≤1.8 ≤1.8

Refractoriness °C 1790 ＞1800 ＞1825 ≥1850

Bulk density, g/cm3 2.4 2.45-2.5 2.5 2.55-2.6

Softening temperature under load ≥1470 ≥1520 ≥1530 ≥1550

Apparent porosity, % 22 ＜22 ＜21 20

Cold Crushing strength Mpa ≥45 ≥50 ≥54 ≥60

Features

1 - Resisting high temperature

2 - Great bulk density

3 - Low iron content

4 - Good eroding resistance

Applications

1 - Steel furnaces

2 - Iron making furnaces

3 - Glass kiln

4 - Ceramic tunnel kiln

5 - Cement kiln

High Alumina Bricks Firebricks Refractory

For any questions and needs please contact us below

Company Contact:

• Posted By: Qingdao Laurel Enterprise Co., Ltd

• Phone: 8653280829560

• Address: RM3103，Unit 2, Building 1, No.111 Shangdong, QINGDAO , China

• Email:

• Website: http://www.laurelrefractory.com

• Business Description: Qingdao Laurel Enterprise Co., Ltd , was established in 2003, specialized in refractory material, including refractory bricks, heat insulation bricks, ceramic fiber products, rock wool products and glass wool products.
  
  We have 4 large product line.
  
  Both Research & Development Center for technology and Testing center for chemical and physical properties are established.
  
  We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long term mutual benefits.