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High-Al-spinel casting

 High-Al-spinel casting

 

High alumina spinel refractory castable has good insulation, wear resistance, long usage life time, used in metallurgy, petrochemical and machinofacture industries; available in different shapes, we offer them at industry leading price. Your success is our goal. And please don’t hesitate to contact us. 

                           Brands 

   Items

LMJ-70

LMJ-65

LMJ-60

 
 

Chemical composition %   not less than

Al2O3

70

65

60

 

MgO

8.0

8.0

8

 

BD g/cm3                            not less than

2.65

2.5

2.4

 

Dried linear change %

0                         -0.4

0                             -0.4

0                           -0.4

 

Baked strength Mpa

MOR      not less than

7.5

7.5

7.5

 

CCS       not less than

30

25

20

 

Min setting time

First setting  not less than

45

45

45

 

Last setting  not more than

720

720

720

 

Max appl. Temp

1730

1700

1680