The Alumia-graphite monoblock stopper is an Isostatically Pressed refractory tube used to control the molten steel flow from the tundish to the mold, while protecting it from splashing and re-oxidation. This product can be used for over 10 hours of casting. 

Graphic illustration:

1.Built in steel nut for convenient installation.

2.Ceramic glaze layer to effectively prevent the material from oxidation.

3.Standard high quality Al-C materials that have high corrosion and thermal shock resistances.

4.Porous plug to prevent the molten steel stream from entering the stopper.

5.Standard Al-C head materials that have good slag corrosion resistance.

6.Spinal head materials that have exceptional resistance to slag corrosion.

7.Standard Mg-C head materials that have good slag corrosion resistance for processing steel containing Ca.

8.High quality Zr-based materials to assure good corrosion resistance at slag line.