[ editor’s note ] with the completion of factory inspection, certification, and evaluation of all enterprises applying for the first batch of “Quality rating of granulated blast furnace slag powder for use in cement and concrete”in September, the first batch of slag powder quality grade certification and assessment work, which was cooperated by the slag powder application branch and Sinoma (Beijing) testing and Certification Service Co. , Ltd. , has been completed successfully. The first batch of certification work lasted nearly one year, the enterprises that have passed the certification are: Nanjing Nanjing Steel Jiahua New Building Materials Co. , Ltd. , Shanghai Baotian New Building Materials Co. , Ltd. , Zhanjiang Baotian New Building Materials Co. , Ltd. , Wuhan Wuhan New Building Materials Co. , Ltd. , Hunan Sanhong Building Materials Co. , Ltd. . The quality grade certification of slag powder has also been widely concerned by slag powder enterprises, follow-up we will regularly for its report. This issue will report on the certification of Shanghai Baotian New Building Materials Co. , Ltd. . The application branch of slag powder and Guocai (Beijing) testing and Certification Service Co. , Ltd. have organized in the early stage such certification links as expert examination, factory sampling inspection, testing of certification bodies, etc. , according to the standard condition of “Quality grade evaluation of granulated blast furnace slag powder used in cement and concrete”, the enterprises should issue the grade certificate of “Excellent products”of slag powder.

Source: slag powder information