The requirements for the use of the stuffing material for taphole are: good safety and high automatic opening rate.

The poor quality of the stuffing material for taphole is likely to cause an air gap around the taphole bushing, which will aggravate the damage rate of the taphole.

Through the test, the special stuffing material for taphole with high content of magnesium oxide, good fluidity and fine grain size is used to ensure the gap between the brick and the brick be filled and effect of sintered evenly.