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The function of the integral stopper is mainly used to control the flow of the tundish. The integral stopper rod is installed in the tundish when in use. The flow of molten steel into the crystallizer can be adjusted by controlling the position of the stopper head to the tundish nozzle, and argon or other inert gas can also be blown into the tundish through the argon blowing hole to prevent the nozzle Clogged.
| Index | Stopper head | Body | |
| Aluminum carbon | Magnesium Carbon | ||
| Al2O3 | ≥50 | — | ≥45 |
| C+SiC | ≥15 | ≥15 | ≥20 |
| MgO | — | ≥56 | — |
| Bulk Density(g/cm3): | ≥2.60 | ≥2.40 | ≥2.40 |
| parent porosity(%) : | ≤16 | ≤18 | ≤17 |
| Cold crushing strength(Mpa): | ≥22 | — | ≥20 |
| cold bending strength | ≥7 | — | ≥5 |
| Thermal Shock Resistance | ≥5 | ||
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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally.
Our product have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time
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