Features
1. does not moisten the dregs, the iron
2. the surface is smooth
3. easy to demolish
4. have the high intensity
5. can bear the washout and corrosion
6. reduce the construction time and worker labor intensity long the service life and so on
7.have no need of baking and can be directly used for tapping
8.reduces the consumption of refractory materials, reduce production cost, reduces labour strength and improves working environment.