Tangshan Yutong Import and Export Corporation
Main products:Fire Bricks,Ceramic Fiber Blanket,Rock Wool,Insulation Bricks,Gypsum Board
Products
Contact Us
  • Contact Person : Mr. Zhang Shaofeng
  • Company Name : Tangshan Yutong Import and Export Corporation
  • Tel : 86-315-3195890,3195891
  • Fax : 86-315-3195895
  • Address : Hebei,Tangshan,6/F Block B, Orienal Int'l Bldg.152 Jianshe Road
  • Country/Region : China
  • Zip : 063000

High Alumina Bricks for Furnace

High Alumina Bricks for Furnace
Product Detailed
High Alumina Bricks for Blast Furnaces SK36,SK38

The main mineral component is mullite and corundum phases, with excellent high-temperature physical properties and chemical corrosion resistance, widely used in every part of blast furnace lining with good work ability.Main Properties

Item

Index

International code name

SK35

SK36

SK37

SK38

SK40

Chinese code name

LZ-48

LZ-55

LZ-65

LZ-75

LZ-80

Al2O3 min %

48

55 

65 

75 

80 

Fe2O3 max %

2

2

Refractoriness °C, min

1750

1770 

1790 

1790 

1790 

Refractoriness under load

(0.2MPa) °C, min

1420

1470 

1500

1520 

1530 

Linear change on reheating

 (1500°C, 2h) %

+0.1~ -0.4

*1450°C

+0.1~ -0.4

+0.1~-0.4

+0.1~ -0.4

+0.1~ -0.4

Apparent porosity max %

22

22 

23 

23 

21 

Cold crushing strength Mpa,

min

39 

44 

49

54 

65 

High Alumina Bricks for Furnace



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