What are the requirements of the mark on the cement packing bag?
Label on cement packing bagCommon C25, C30, C35, C40 label is the cement packaging machine packaging cement mark, specific what label, drawings will generally indicate, general use C25 on the line, the greater the strength higher.
The cement packing bags shall clearly indicate the standards of implementation, cement varieties, codes, strength levels, producers' names, production licence marks (QS) and serial numbers, serial numbers, date of packing and net contents. Bags on both sides should be based on the varieties of cement with different color printing name and cement strength grade, Portland cement and ordinary portland cement Portland slag cement by using red, blue gray volcano; Portland cement and Portland fly-ash composite silicate cement by sleep and black or blue..
Cement gradeCement is divided into strength grade: 1, Portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R, 62.5, 62.5R six levels. 2, ordinary portland cement strength grade is divided into 42.5, 42.5R, 52.5, 52.5R four grades.3. The strength grades of slag Portland cement, volcanic ash Portland cement, fly ash Portland cement and composite Portland cement are divided into 32.5 grades: six, 32.5R, 42.5, 42.5R, 52.5 and 52.5R.
