The principles and features of microwave sintering, the application in refractories and synthesis methods of ZrB2 are reviewed. The synthesis results of ZrB2 by
A kind of dry refractory sealing material has been developed to repair the fine cracks in coke oven chamber. With silica sand as the main raw material, the seal
"Sight can be acquired, Vision cannot". Orind Refractories Limited (ORIND), China was formed with this rare vision. At a time when the world was testing the tep