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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Silica Refractory Bricks for Coke Oven

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Product Description

Item

Specification


Floor & wall bricks

Other bricks

SiO2 %

94.5

94.5

Al2O3 %

1.5

1.5

Fe2O3 %

1.5

1.5

CaO %

2.5

2.5

Refractoriness under load 0.2 Mpa

1650

1650

Cold crushing strength Mpa

40

35

Apparent porosity %

22

24

true density g/cm3 ≤

2.33

2.34

Thermal expansion 1000%

1.28

1.30

Residual quartz %

1.0

1.0

Permanent linear change 14502h %

00.2

00.2


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Zhengzhou Kaiyuan Refractories Co.,Ltd

 Plant add: Tancunwan village, Niudian town, Xinmi city, Henan, China
 +86-13592427095 
  sales@kaiyuanref.com    
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