A high quality unburned brick for EAF (electric arc furnace) roof has been developed by using high grade bauxite chamotte as the main starting material ,adding
In this paper,the influcnce of chief process parameters on the ontinuous production of Si3N4 powder by renitridation has been studied,The sutiable process param
In recent years great progress has been made in developing refractories to replace som imported ones for C.C. in Baogang.Mean-while,many new products have also
The reaction of sillimanite with alumina at temperatures 1650℃ an 1750℃ has been investigated.The results have shown that,in the laboratory test conditions,th