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Quick Details

Model Number: 10000kg
Brand Name: Gaoha
Place of Origin: China (Mainland)
Max service temperature: 1800

Specifications

Alumina bubble products are widely used in inner linings of various non-contacted melt high temperature kilns and thermal insulating layers of high temperature kilns.   

Description of product

Name

Alumina bubble products

Ingredient

Bubble alumina, corundum powder,calcined powder as raw material etc

Max service temperature

1800℃

Advantages

1 high temperature resistance

2 low thermal conductivity, good thermal insulation 

3 low bulk density

4 excellent resistance to acids and alkalis corrosion

Size and specifications

230×114×65mm

The size, density, chemical composition can be customized.

Technical Data

Name/Indexes/Item

MLQ-84

MLQ-90

LQ-1.2

LQ-1.5

LQ-1.7

Al2O3

84

90

98.5

98.5

98.5

Fe2O3

0.8

0.5

0.3

0.3

0.3

SiO2

15

9

1.0

1.0

1.0

Bulk Density

(g/cm3)

1.5

1.5

1.2

1.5

1.7

Compressive strength at normal temperature

(MPa≥)

16

15

3

12

15

Porosity

58

60

62

60

58

Refractoriness under load at 0.1 MPaKD℃≥

1650

1700

1700

1700

1700

Refractoriness(℃)≥

1800

1800

1800

1800

1800

Hot side 1000℃W/m.k≤

1.2

1.5

0.95

1.05

1.15

  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.