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Fire Bricks Refractory High Alumina Fire Bricks With Heat Proof And Fire Resista


Fireclay bricks is Al2O3 content of 42% to 45% aluminum silicate clay material products,  with 50% clay and 50% soft hard clay clinker, As the size requirements for certain ingredients, after forming, drying, firing at a high temperature of 1300 ~ 1400 ℃. temperature of  1300 ~ 1400 ℃. common brick, special-shaped brick. They are widely applied in coke oven, blast furnance, air stove, molten steel ladel, gating system, boiler, cement kiln, glass kiln, kinds of
kiln lining and thermal equipment.

Main Properties:

Item

Index

Code

DL-48

DL-55

DL-65

DL-70

DL-75

Al2O3  min, %

48

55

65

70

75

Refractoriness, min

1790

1793

1760

1770

1780

Refractoriness under load (0.2MPa) , min

1360

1380

1390

1400

1410

Linear change after reheating(1550, 2h) %

0 ~ -0.6

0 ~ -0.55

0 ~ -0.3

0 ~ -0.3

0 ~ -0.3

Apparent porosity max, %

22

21

20

20

19

Cold crushing strength  Mpa, min

40

45

50

55

60



Our service:
1. Strict QC & Fast delivery.
2. Free samples are available by freight collect.
3. High quality goods, Perfect Pre-sales, and good designing service.
4. Welcome to visit our factory at anytime on site or online .
5. We will update you the production process after placing order by photos or online.
6. We have special after-sales team to solve your problem during using our products.




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Zibo Qunhui Refractory Co., Ltd.

Address: North Of Gongjiawu Village, Lingzi Town, Zichuan District, Zibo, Shandong, China
Mobile phone: +0086 185 5336 8358 / +0086 176 8561 2687
Telephone: +0086 533 2762936
E-mail: sales@qunhuirefractory.com
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