Product Main

Quick Details

Model Number: 2
Brand Name: Gaoha
Place of Origin: Cocos (Keeling) Islands
Ingredient: Dense fused corundum, Synthetic mullite, Chrome, etc

Specifications

Mainly used as linings of all kinds of furnace, like carbon black reactor furnace, decomposing furnace, gasification furnace ,and high temperature kiln. Applications in Petroleum & Chemicals, Ceramics, Refractory ,Electronic industry.

Description of product 

Name

Corundum products

Ingredient

Dense fused corundum, Synthetic mullite, Chrome, etc

Fire resistance

1790℃

Advavtages

1 high density & temperature resistibility

2 low bulk density, high compressive strength

3 resistance to high temperature (≥1790℃)

4 good thermal shocking resistance

5 excellent corrosion resistant to acids and alkalis

6 they are not influenced by H2. CO gases during use

Size and specifications

230×114×65mm

The size, density, chemical composition can be customized.

Technical Data

Item

High purity corundum bricks DL-98

Normal cordum bricks DL-95

Normal corundum bricks DL-90

Corundum mullite productsMDL-80

Chrome corundum brick/corundum-chronme firebrick

GDL-85

Al2O3%≥

98.5

95

90

80

85

Gr2O3%≥

/

/

/

/

8

SiO2%≤

0.3

3.0

9.0

18

0.2

Fe2O3%

0.2

0.2

0.5

0.5

0.2

R2O3%≤

0.3

0.6

0.6

0.4

0.5

Bulk density

(g/cm3 ≥)

3.0

2.9

2.9

2.7

3.1

Compressive strength at normal temperature

(MPa≥)

75

100

100

60

80

Fire resistant

(℃≥)

1790

1790

1790

1790

1790

Soften point at 0.2MPa load KD℃ 

1700

1650

1650

1700

1700

Liner change(%01600℃×3h

0.2

0.2

0.2

0.3

0.2

Thermal shock stability1100℃water

6

10

10

20

15

 Shandong Gaoha Refractories  Technology Co., Ltd .is a comprehensive high-tech company with refractory products  research, manufacture ,sales and construction service. Together we provide high temperature irregular shapes refractories applications in the Iron & Steel, Cement & Lime, Glass, Ceramics, Energy, Petroleum & Chemicals, Laser Crystal, Tungsten & Molybdenum and Environmental technology industries.

 Our main products including high-purity zirconia products, zirconia products, bubble zirconia products, bubble alumina products, high-purity alumina products, corundum products, corundum mullite, industrial zirconia powder, zirconia ceramic powder, eletro-fused oxide sand etc.

 We sincerely hope to cooperate with customers worldwide for common development and mutual benefit.