Slag Portland cement

Slag Portland cement

All hydraulic cementitious materials made of Portland cement clinker, granulated blast furnace slag and an appropriate amount of gypsum grinding are called slag Portland cement (referred to as slag cement), code P· S。 The dosage of granulated blast furnace slag in cement is 20%-70% by weight. It is allowed to replace the slag with one of the materials in the limestone, kiln ash, fly ash and pozzolana mixture, and the substitution quantity shall not exceed 8% of the weight of cement, and the granulated blast furnace slag in the cement after substitution shall not be less than 20%.

All hydraulic cementitious materials made of Portland cement clinker and pozzolana mixed materials, and an appropriate amount of gypsum grinding are called pozzolana Portland cement (referred to as pozzolana cement), code P· P。 The amount of pozzolana mixture in cement is 20%-50% by weight.

Fly ash Portland cement: All hydraulic cementitious materials made of Portland cement clinker and fly ash, and an appropriate amount of gypsum grinding are called fly ash Portland cement (referred to as fly ash cement), code P· F。 The amount of fly ash in cement is 20%-40% by weight