UNG  CO.,LTD.


Tel:+86-353-5668159,5668319

Fax:+86-353-2560350

Email:gong@ungco.cn

YANGQUAN UNG TRADING CO.,LTD.

UNG METALLURGY CO.,LTD.

Meilong bldg A,quanzhong street ,Yangquan 045000,Shanxi,China

HIGH-ALUMIUM REFRACTORY BRICK


SPECS

.

 

EPI 45

EPI 60

EPI 60X

EPI 70

EPI 80

EPI 85

Al2O3  (%)min

48

61

60

70

81

85

SiO2  (%) max.

--

33

33

26

15

11

Fe2O3 (%) max.

1.9

1.8

1.8

1.5

1.3

1.2

TiO2  (%) max.

0.7

0.7

0.7

0.7

0.7

0.7

CaO  (%) max.

0.7

0.5

0.5

0.3

0.3

0.3

MaO (%) max.

--

0.3

0.3

0.2

0.1

0.1

NA2O+K2O(%)

max.

--

0.5

0.5

0.3

0.3

0.2

Bulk Density(g/cm3).

2.20

2.40

2.30

2.60

2.75

2.83

Apparent porosity(%)

20

20

20

18

18

18

Cold  crushing

 strength(Mpa )

30

60

45

60

70

70

Linear Change after

Heating(1350*2H)

-0.3%

0%

0%

-0.3%

-0.3%

-0.3%