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High Quality of Refractory Bricks

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Negotiable MOQ: 20 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Shandong, China
Shape:
Block
Material:
Alumina Block
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Shandong Leibao Zirconium Sci&Tech Co.,Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Shandong, China
Shape Block
Material Alumina Block
SiO2 Content (%) 3.0
Al2O3 Content (%) ≥95
CaO Content (%) 0.1(max)
CrO Content (%) 0.1(max)
Model Number DL-95
Brand Name ZiboLeibao

Specifications

refractory bricks
1.have high bulk density
2.high compressive strength
3.good thermal shocking resistance

 refractory bricks

Characteristics:

1.The sintered corundum products were produced by sintering of high purity fused corundum, synthetic mullite and chromium oxide.

2. They have high bulk density,

3.high compressive strength,

4.good thermal shocking resistance,

5.good corrosion resistances to acids and alkali.

6.They are not influenced by H2, CO gases at use.
corundum bricks Applications:

1.Widely used as linings in decomposing furnaces for petroleum and chemical industry,

2.as well as chemical fertilizer industry.

3.They also used as high temperature kiln linings and furniture’s in metallurgical industry.

corundum bricks Chemical and Physical Properties of Corundum Products

Name

Indexes

Items

High purity corundum bricks DL-98

Normal corundum bricks DL-95

Normal corundum bricks DL-90

Mullite corundum

Bricks

MDL-80

Chromium oxide corundum

Bricks

GDL-85

Chemical composition

Al2O3%

98.5

95

90

80

85

Cr2O3%

 

 

 

 

 

SiO2%

0.3

3.0

9.0

18

0.2

Fe2O3%

0.2

0.2

0.5

0.5

0.2

R2O%

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

°C

1790

 

1790

1790

1790

1790

Soften point at 0.2 MPa load

KD °C

1700

1650

1650

1700

1700

Reheating linear shrinkages%

1600 °C ×3h

0.2

0.2

0.2

0.3

0.2

Thermal shock stability

1100 °C water

6

10

10

20

15

high quality of refractory bricks

 

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Shandong Leibao Zirconium Sci&Tech Co.,Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2001
Factory Size
1,000-3,000 square meters
Total Employees
201 - 300 People
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