refractory furnace dry ramming mass

Brand:aa

Product detail:

refractory furnace dry ramming mass

 

ramming mass 's features

1.Strong penetration resistance to molten steel,

2.High corrosion and erosion resistance,

3.Dense sintered layer,

4.Low consumping of  steel,

5.Easy construction and reparing,

6.Energy saving

7.Long service life.

 

Physical and chemical indexes

Items	Medium Frequency Induction Furnace Drying Tamp Mass
Al2O3/%,≥	84
MgO/%	12
Bulk density,≥g/cm3110°C×24h	3.0
Crushing strength,≥/Mpa 110°C×3h	25
Modulus of rupture≥/Mpa 1400°C×3h	7
Critical grain size mm	5
Linear change on heating/% 1400°C×3h	0~+1.5
Application	Used in 5-20tons medium frequency furnace. With campaign life of 80-100 geats.

 

 

 

  

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