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Zibo Caojian Refractory Material Co., Ltd

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Corundum bricks

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A refractory product having a alumina content of more than 90% and a corundum-based crystal phase. Very high room temperature compressive strength (up to 340MPa). High load softening onset temperature (greater than 1700 ° C). Very good chemical stability, strong resistance to acidic or alkaline slag, metal and glass. The thermal shock stability is related to its structure, and the corrosion resistance of the compact product is good, but the thermal shock stability is poor.Application:
Widely used in the cracking, reforming furnace, metallurgical industry and other high-temperature kiln linings and kiln furniture in the petrochemical and fertilizer industries.

AVAILABLE SIZES

Technical Indicators

Index item

CJ-GYZ-99A

CJ-GYZ-99B

CJ-GYZ-98

CJ-GYZ-95

Al2O3,%,

99.0

99.0

98.0

95.0

SiO2,%

0.15

0.2

0.5

---

Fe2O3,%,

0.1

0.15

0.2

0.3

Density, g/cm3

3.2

3.15

3.15

3,10

0.20 MPa Load softening start temperature, ≥℃

1700

1700

1700

1700

Apparent porosity %,

19

19

19

20

Normal atmospheric temperature Compressive strength ,a/MPa,

80

80

80

100

Heating Permanent Line Change:    /%

1600x3h

-0.2-0.2

1600x3h

-0.2-0.2

1600x3h

-0.2-0.2

1600x3h

-0.3-0.3


Tel: 0086-533-3190823

caojian@cj-ceramicfiber.com


 

Address: 1203 Dongfang Zhizhu LianTong Road Zhangdian Zibo 

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