Furnace bottom ramming mass
 
 

  Choose top-grade Mg sand and top-grade composite Mg-C sand as main raw materials to control grain size under proper status with high bulk density, easy for sintering, resistant to corrosion and washing, used as ramming mass for furnace bottom, dry-method construction is able to be carried out, hence it is ideal materials for bottom of electric furnace.

Physical and Chemical Index

Item |Mark

SN-DL80

SN-DL82

SN-DL83

SN-DL85

Chemical composition
(%)>

MgO

80

82

83

85

Fe2O3

4~5

5~6

6~7

3.5~4.5

SiO2<

1

1.5

1.3

1.8

CaO

13~16

9~12

8~10

6~8

Granularity (mm)(mm)<

5

5

5

5

Compression strength(Mpa)

1600℃
×3h

35

30

35

35

 
 
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Copyrignt @ 2010 Changzhou Sunai Metallurgy and Fireproofing Materials Co., Ltd.  
[Adminstrator]
 
 
 
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Fax:0086-519-83131827
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Email:info@cn-sunai.com