And there has a good consistency among f-CaO content, volume increase ratio, single-stage max crushing value and pulverization ratio to appraise the soundness of slag.

• f-CaO含量、体积膨胀率、单级最大压碎值或定义的k值[=100*(最大压碎值-最小压碎值)/ 最大压碎值]、单级最大粉化率具有较好的关联性；