Main Data

See also

Refractories for Rotary Kilns Used in Cement Industry

Bricks are intended for lining of rotary kilns used in cement industry and other thermal units.

Technical characteristics

 Rate for grade
  ShCU МКRC МLC МКC
GOST 21436-2004
Mass fraction of Al2O3,%: minimum 32 over 45 over 62 over 72
Compressive strength, N/mm2, minimum 25 30 25 30
Open porosity, %, maximum 20 22 24 24

Residual variation of dimensions when heating, %, maximum at:

1400 °C

1500 °C

1600 °C

 



0,3

-

-

 



0,5

-

-

 



-

0,4

-

 



-

-

1,0
Refractoriness, °С, minimum 1710 1750 1800 -
Thermal shock resistance, heat cycles, minimum 4 3 4 4
Temperature of initial softening, °С, minimum 1370 1400 1450 1500

Limit deviations of brick dimensions (mm)

Dimensions, mmShCUMKRC, МLC, МКC
up to 100 inc. ±1 ±1,5
over 100 up to 200 inc. ±2 ±2
over 200 up to 300 inc. ±3 ±3
normal difference а-а1 +1, -2 +1, -2

Form and dimensions

End arch brick, double-side

Number of brickDimensions, mmApplication
   а а1 б в In combination with numbers Kiln diameter, m
1 100 88 150 300 

2

9

2,3-5,1

5,1-7 
2 75 55 150 300 1 1,3-5,1
3 100 92 150 300

4

3

3,1-5,1

3,1-5,1
4 75 65 150 200 5 1,5-3,1
5 75 55 150 200 4 1,5-3,1
6 100 95 150 230 7 5,2-7
7 100 91 150 230 6, 8 5,2-7
8 120 113 150 230 7 5,2-7
9 100 93 150 300 1 5,1-7
10 100 93 200 300 11 5,1-7
11 100 88 200 300 10 5,1-7
12 100 91 200 230 13 5,2-7
13 120 113 200 230 12 5,2-7
14 100 92 200 200 15 3,1-5,1
15 75 65 200 200 14 3,1-5,1

Side arch brick, double-side

Number of brickDimensions, mmApplication
   а а1 б в In combination with numbers Kiln diameter, m
16 100 94 200 160 

17

16

 3,1-5,4 
17 75 67 200 160 18 1,6-3,1
18 75 60 200 160 17 1,6-3,1
19 100 95 200 120 20 1,8-4,9
20 75 65 200 120 19 1,8-4,9