brand of product
item
|
THMD1
|
THMD2
|
THB
|
chemical Mgo
content Sio2 |
> 80 |
> 90 |
(MgO+AL203)>
85 |
< 5 |
< 4 |
110C*24h B.D(g/cm3)
1550C*3h |
> 2.80 |
> 2.80 |
> 2.85 |
> 2.75 |
> 2.75 |
> 2.80 |
110C*24h
bending strength
(Mpa)1550C*3h |
> 8 |
> 8 |
> 8 |
> 6 |
> 6 |
> 6 |
110C*24h
crushing strength
(Mpa)1550C*3h |
> 60 |
> 60 |
> 60 |
> 40 |
> 30 |
> 40 |
1550C*3h
rate of linear change |
0- +0.6 |
0- +0.6 |
0- +1.0 |
usage |
tundish |
tundish |
shock area of tundish mopten steel |