What are the cement models, what are the general buildings on the use of cement?
32.5R42.5R52.5R, the building is used on the 32.5R.
Portland cement strength grades are divided into 42..42.5R, 52..52.5R, 62..62.5R six grades. Ordinary Portland cement strength and other snails to touch the burglary Du Guizhen enlightenment score is divided into 42..42.5R, 52..52.5R four grades. Slag Portland cement, volcanic ash Portland cement, fly ash Portland cement, composite Portland cement strength grade is divided into 32..32.5R, 42..42.5R, 52..52.5R six grades.
Portland cement strength grades are divided into 42..42.5R, 52..52.5R, 62..62.5R six grades. Ordinary Portland cement strength and other snails to touch the burglary Du Guizhen enlightenment score is divided into 42..42.5R, 52..52.5R four grades. Slag Portland cement, volcanic ash Portland cement, fly ash Portland cement, composite Portland cement strength grade is divided into 32..32.5R, 42..42.5R, 52..52.5R six grades.