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Silicon products

Silicon products

Silicon products are used for laying various metallurgical furnaces and other thermal equipment (GB 41157-79) and for laying glass furnaces (3910-75).

Category：

Metallurgy

Email:

mike@sinotraderesource.com

Description

Index item Specification standard
DMS DM DN DZ D5
code 4157-79
Mass ,%fraction 　 　 　 　 　
Si02 ＞ 95 94 94 93 93
Fe203 ＜ 　 　 　 1 . 5-1. 7 1. 5-1 .7
 Refractoriness，℃，＞ 1710 1710 1690 　 　
Initial temperature，℃，＞ 1650 1650 1610 1620 1600

 Apparent porosity，%，＜
For products：

 　 　 　 　 　

- Furnace bottom

 23 23 25 19 26

- Walls

 23 23 25 23 　
- Others 23 23 25 26 　
 Density，g/см3, ＜ 2. 37 2. 38 2. 40 2 .33 2. 38
Compressive strength，N/мм2,

＞ For products：

 　 　 　 　 　

- Furnace bottom

 25．0 22 .5 17. 5 30. 0 20. 0
- Others 25 .0 22 .5 17. 5 20. 0 　
Usage For laying vaults of open hearth furnaces  and other thermal equipment For laying open hearth furnaces and other thermal equipment　 For laying furnaces and other thermal equipment For laying ceramic furnace components　 For laying various heating devices

 

 

 

Index item Specification standard 　
DSU DSO DS DSO1 DS1 D1
GB code 3910-75
 Mass fraction,% 　 　 　 　 　 　
Si02 ＞ 96 95 94 95 93 95
CaO, ＜ 2.5 2.5 3.0 2,5 3 -
Fe203 ＜ 0,5 0,6 1,7 0,6 1.7 1,5-1,7
Refractoriness，℃，＞ 1710 1710 1710 1710 1710 --

 Initial temperature，℃，＞

 1650 1650 1640 1650 1630 1650

 Apparent porosity，%，＜
For products：

 　 　 　 　 　 　

- ＜35kg

 20 21 22 21 22 23*, 25
- ＞35kg 21 22 22 22 22 25
 Density，g/см3, ＜ ＜ 19кg-2,37 ＞ 2. 36 2. 38 2 .38 2. 38 2.38* 2.4
 Compressive strength，N/мм2, ＞
For products：		 30 25 20 22 17.5 22.0* 20
Note "*" .indicates products less than 12 kg.
Usage For laying the most critical parts of the glass furnace superstructure For laying less critical areas of high temperature glass melting furnaces and furnaces

For laying the vaults of glass furnaces

 

Keywords:

silicon for 22 23 laying 2. 25 1710 1650 furnaces

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