Cement - pozzolana and fly ash 5-15% (market for cement - pozzolana and fly ash 5-15%)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.8. The product "cement, pozzolana and fly ash 5-15%" represents cement of type I (PM), also known as pozzolan-modified Portland cement. I (PM) is a blended cement that is made by partially replacing 5-15% of Portland cement with fly ash, which is a waste from power stations, and pozzolana. Natural pozzolanas include volcanic ashes, opaline shales, and cherts that contain reactive compounds of silicon and/or aluminium. Fly ash is a synthetic pozzolana. The cut-off classification is allocatable product. The activity type is market activity. The reference product amount is 1.