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Refractory Material for Gap- and Backfilling of BOF Converte

Refractory gap filling mix is used to fill the gap between refractory brick to prevent infiltration of molten steel.
Refractory backfilling mix is filled between wearing lining and safety lining to prevent infiltrations of the molten steel. After heated, it forms a refractory layer towards the fireside and an insulation layer at the opposite side.

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