The motives to switch clinker with supplementary cementitious products (SCM) are well-known. Even so, granulated blast furnace slag, purely natural pozzolanes, certified fly ash and more SCM Use a confined availability; the total prospective replacement of the worldwide clinker manufacturing is fewer than 30%. Air Entraining Brokers: Introduce air bubbles https://www.tjcyindustrialchem.com/news/cement-additives-and-concrete-admixtures-key-differences.html