The magnesia-based and magnesia-calcium-based dry vibratable mixes for tundishes add rigid solid resin as a low-temperature binder and some medium-temperature binders. The particle composition is designed using the closest packing theory, enabling the material to have good strength under different temperature conditions. It is an ideal material to replace insulation boards and magnesia-based coatings. It features on-site construction, simple construction, short construction period, no need for curing and baking, and can be directly used after rapid heating, with the working layer sintered and put into service.

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