... can be divided into three process: Raw material, molding, burning. Generally, refractory brick was molded by dry pressing. By means of mixing ... some time. Then, pour some powders into the mould and dry pressing. After dry pressing, the adobe need to pushed in the drying ... , hemstitch, straight joint, yawn, bursted, raw seam, warp form the shape of the snake, humping and the mortar is unwell, etc are ...