Using dolomite and sinter magnesia clinker as a main material and added with alkali metal phosphate binder and additives,amagnesia-calcia coating material has been developed.

• 采用白云石配以适量的镁砂熟料和磷酸盐结合剂及复合外加剂研制出了具有较好性能的镁钙质中间包涂料。