Main Data

See also

Large-size Blocks for Glass-melting Furnaces

Large-size blocks are intended for laying of bottom and walls of glass-melting furnace.

Technical characteristics

 Rate for grade
  ShSU-33 ShSU-40 МLS-62 МКS-72
GOST 7151-74 rev.1-3 GOST 24704-2015

Mass fraction, %:

Al2O3, minimum

Fe2O3, maximum

 

33

1,8

 

40

1,5

 

over 62

1,5

 

over 72

1,5
Compressive strength, N/mm², minimum 25 35 25 30
Open porosity, %, maximum 18 18 24 24

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

1400 °C

1450 °C

1500 °C

1600 °C

 

 

0,4

-

-

-

 

 

-

0,4

-

-

 

 

-

-

0,4

-

 

 

-

-

-

1,0
Apparent density, g/cm³, minimum - 2,20 n/a
Temperature of initial softening, °C, minimum - 1450 - -


Upon agreement with the consumer grinding of bricks is provided.

Limit deviations of item dimensions, mm

Dimensions  
  ShSU-33 ShSU-40
length a    
up to 600 mm ±4 ±7
1000 mm ±6 ±10
1200 mm ±7  ±12 
1400 mm ±8  ±14 
Width б  ±4  ±7 
Thickness в  ±4 ±5 

Form and dimensions

Item numberDimensions, ммGroup of complexity
  a б в  
1 1000 400 300 10
2 1000 300 300 10
3 1000 400 250 10
4  1000 300 250 9
5 1000  400 200  9
6 1000 300 200 9
7 600 400 300 9
8 600  300 300 9 
9 600 400 250 9
10 600 300 250  8
11 500 400 300 9
12 500 300 300 8
13 500 400 250 8
14 500 300 250 8
15 400 300 300 8