According to different brands, this product is put together by the respective use of corundum, carborundum, bauxite and various synthetic materials as the main materials, along with the adding of much admixture and high-efficiency water-reducing agent and fluidizing agent. Eventually, the performances of combination and fluidity of the product are improved. Its main characteristics are that it depends only on the fluidity owned by the material itself under the condition of adding no water content, and without shaking; it can be used in the narrow gap and in the place where it can't be shaken. With the perfect performance of construction and quality, the product is mainly used in the lining of CFBB and in the place where it is difficult to construct. It can also be applied to the thermal equipment.