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Chamotte, mullite, mullite-corundum and corundum products of general purpose

Chamotte, mullite, mullite-corundum and corundum products

Chamotte, mullite, mullite-corundum and corundum products of general purpose are designed for laying various thermal units with a maximum application temperature of 1200-1500 ° C

Technical characteristics

 

Norm for mark

 

SHAK

SHA

SHB

SHSA

SHSB

SHSV

GOST R 53406-2009 

Mass fraction, %:
Al2O3, no less

33

30

28

32

30

30

Refractory property, °C, no low

1730

1690

1650

1690

1670

1650

Compressive resistance, N/mm2, no less

23

20

15

20

15

13

Open porosity, %, no more

23

24

30

24

27

30

Residual changes in the sizes during heating, %, no more, at the temperature

1400 °C


 

0,5


 

-


 

-


 

-


 

-


 

-

Onset temperature of softening, °C, no low than

1320

1300

-

1300

-

-

 

Norm for mark

 

MLS-62

MKS-72

MKP-72

MKS-90

KS-95

GOST 24704-2015

Mass fraction, %:

Al2O3, over

Fe2O3, no more

 

62

1,5

 

72

1,5

 

72

1,5

 

90

0,8

 

95

0,6

Compressive resistance, N/mm2, no less

25

30

80

50

40

Open porosity, %, no more

24

24

16

24

24

Residual changes in the sizes during heating, %, no more, at the temperature:


1500 °C
1600 °C




0,4
-




-
1,0




-
1,0




-
-




-
-

Deformation temperature on load, °C, no low

1450

1500

1550

1660

1680

 

 

 

Norm for mark

 

KUF-95

MLU-69

MLU-62

GOST 24704-2015

Mass fraction, %:

Al2O3, over
Fe2O3, no more
P2O5, no more


95
0,5
1,5


69
1,0
-


62
1,1
-

Compressive resistance, N/mm2, no less

90

50

60

Open porosity, %, no more

17

19

17

Residual changes in the sizes during heating, %, no more, at the temperature:


1500 °C
1600 °C 

 


-
0,3

 


0,3
-

 


0,4
-

Deformation temperature on load, °C, no low

1650

1650

1600

It is acceptable the production of products of marks MLS-62, MKS-72, MKP-72, MKS-90, KS-95, KUF-95, MLU-69, MLU-62 by GOST Р54312-2011

Limit deviations for the dimensional deviations of products

 

Chamotte products

Product name

for rectangular and molded products of simple configuration of marks SHA,SHB,SHAK,SHSA,SHSB,SHSV

I

II

mm

%

mm

%

Rectangular:

 

in length

±3

 -

±4

 -

in width

±2

 -

±2

 -

in thickness

±2

 -

±2

 -

Molded of simple configuration, sizes:

 

up to 100mm inclusive

±2

 -

±2

 -

over 100 to 250mm inclusive

±2

 -

±3

 -

over 250 to 300mm inclusive

±3

 -

±4

 -

over 300 to 400mm inclusive

±5

 -

±6

 -

over 400mm

 -

±1,5

 -

±2,0

 

 for molded products of complex and particularly complex configuration of marks SHA, SHB, SHAK, SHSA,SHSB, SHSV

Product size

мм

%

up to 100mm inclusive

±3

-

over 100mm

-

±2,5

             

 

 

 For marks MLS-62, MLU-62, MLU-69, MKS-72, MKP-72, MKS-90, MKU-90, KS-95, KUF-95

Product size

мм

%

up to 200mm inclusive

±2

-

over 200 to 400mm inclusive

-

±1,0

over 400mm

 -

 ±1,5

Form and sizes GOST 8691-73 with a change 1-4*

«Due to carrying onto effect the national standards GOST R 51262.1-99 «Refractory rectangular products of general purpose. Form and sizes» and GOST R 51262.2-99 «Refractory v-shaped products of general purpose. Form and sizes» for orders the standard number for the form and sizes should be point out».

Straight brick. Bonder. Straight three quarter brick.

Product number

Size, mm

Complexity unit

 

a

в

б

 

Straight brick

1

230

65

65

3

2

230

65 

85 

3

230 

100 

114 

4

230 

75 

114 

5

230 

65 

114 

6

230 

40 

114 

230

65

130

 

7

250

75 

124 

8

250 

65 

124 

9

300 

65 

150 

10

345 

75 

150 

Bonder

11

230 

75 

172 

12

230 

65 

172 

13

250 

75 

187 

14

250 

65 

187

15

300 

65 

225 

Straight three quarter brick.

16

172 

75 

114 

17

172 

65

114 

18

187 

75 

124 

19

187 

65 

124 

Side brick (double sided and single sided). One and a half side brick (double sided and single sided). Neck brick (double sided and single sided)

 

Product number

 

Size, mm

Complexity unit

 

 

a

в

в1

б

 

 

Side brick (double sided and single sided)

20

 

230

75 

65 

114 

21

 

230

75

55

114

4

22

 

230

65

55

114

3

23

 

230

65

45

114

4

23а

 

230

75

45

150

 

24

 

250

75

65

124

4

25

 

250

65

55

124

3

26

 

250

65

45

124

4

27

 

172

65

55

114

4

28

 

172

65

45

114

4

29

 

300

65

55

150

4

30

 

300

65

45

150

4

31

 

345

75

65

150

5

32

 

345

75

55

150

5

 

One and a half side brick (double sided and single sided)

33

 

230

75

65

172

3

34

 

230

75

55

172

3

35

 

230

65

55

172

3

36

 

230

65

45

172

3

37

 

250

75

65

187

3

38

 

250

65

55

187

3

39

 

250

65

45

187

3

40

 

300

65

55

225

4

41

 

300

65

45

225

5

 

Product number

Size, mm

Complexity unit

 

a

в

в1

б

 

                                                                    Neck brick (double sided and single sided)

42

230

75 

65 

114 

43

230

75

55

114

3

44

230

65

55

114

2

45

230

65

45

114

2

45а

230

65

55

150

 

 

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