What is the level of ordinary portland cement-Iota

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Service > What is the level of ordinary portland cement

What is the level of ordinary portland cement

China's GB175-2007 "common portland cement standard" provisions, common portland cement according to the variety and amount of the mixed material is divided into: Portland cement, ordinary portland cement, slag Portland cement, Portland pozzolana cement, fly ash Portland cement and composite silicate cement six categories. Its strength grade is divided into: Portland cement with 42.5, 42.5R, 52.5, 52.5R, 62.5, 62.5R, ordinary portland cement 42.5, 42.5R, 52.5, 52.5R, slag Portland cement, Portland pozzolana cement, fly ash Portland cement, composite Portland cement with 32.5, 32.5R, 42.5, 42.5R, 52.5, 52.5R.
Obviously, the ordinary portland cement, a total of 4 grade.

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