Kaiyuan Refractories

A professional company produces and sales refractory materials for industry of cement, iron & steel ,non- ferrous metal and glass etc.
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Corundum brick

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Product Description

Item

Unit

Corundum brick



GY-99A

GY-99B

GY-98

GY-95

Al2O3

%

99

99

98

95

SiO2

%

0.15

0.2

0.5

-

Fe2O3

%

0.1

0.15

0.2

0.3

Apparent porosity  

%

19

19

19

20

Bulk density

g/cm3

3.20

3.15

3.15

3.10

Cold crushing strength

Mpa

80

80

80

100

Refractoriness under load

1700

1700

1700

1700

Permanent linear change

%

±0.2

±0.2

±0.2

±0.3


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Zhengzhou Kaiyuan Refractories Co.,Ltd

 Plant add: Tancunwan village, Niudian town, Xinmi city, Henan, China
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 +86-13592427095 
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