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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Direct bonded magnesia chrome brick

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Product Description

Direct Bonded Magnesia Chrome Brick 

The brick is made of high purity magnesia sand,imported chrome concentrate, added a small amount of additives, pressed by high pressure, sintered at high temperature, with high refractoriness and excellent resistant to spalling performance on coating at high temperature, a better option used in burning zone.

 

 Items

 

KYMGe-5A

 

KYMGe-5B

 

KYDMC-9A

MgO %                                        

75

70

70

Cr2O3 %     

3-6

3-6

9

Al2O3  

5-7

5-7

3-5

SiO2 %                           ≤

2.0

2.50

2.80

Apparent porosity %                     ≤

18

18

19

Bulk density g/cm3                     ≥

2.95

2.92

2.98

Cold crushing strength Mpa               ≥

50

50

40

0.2Mpa  R.U.L T0.6              

1650

1600

1600

Thermal shock resistance 1100℃ water cycle ≥

10

8

5




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Zhengzhou Kaiyuan Refractories Co.,Ltd

 Plant add: Tancunwan village, Niudian town, Xinmi city, Henan, China
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