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Brand Name: NEM

Specifications

This series of refractory castable, a special type of castable developed for steel rolling heating furnace, is characterized by convenient construction, high strength, high volume stability and other advantages. Presently the product has been successfully applied to over 500 furnaces of more than 100 units such as Chengde Iron & Steel, Kunming Iron & Steel Holding Co., Ltd., Rizhao Steel Holding Group Co., Ltd., Hanzhong Iron & Steel, Jiugang, and Jiaolong Group.

 

Main Physicochemical Index for Low cement refractory castable

 

Item

DSJ55

DSJ60

DSJ65

Al2O3(%) :

55

60

65

Volume density (g/cm3) :

110×16h

2.25

2.3

2.4

Compression strength (MPa):

110×16h

30

30

30

1350×3h

--

--

--

1350×3h

45

45

50

Rupture strength

(MPa) :

110×16h

5

5

7

1350×3h

--

--

--

1350×3h

6

6

10

Linear change rate (%)

1350×3h

-0.5~+0.5

--

--

1350×3h

--

-0.5~+0.5

-0.5~+0.5

Long-term use temperature (℃)

1350

1350

1350

Used part

Low-temp.furnace top and furnace wall

All parts of furnace