Phosphate-bonded high-alumina and abrasive high-alumina bricks are made of perfect-size bauxite grain with phosphoric acid solution or phosphate as binders,heated at middle temperation.

• 磷酸盐结合高铝砖、磷酸盐结合高铝耐磨砖采用高铝熟料为骨料，选择合适的颗粒临界粒度配比。