Manufactured using 80%-65% clinker content and other pozzolanic materials, including calcined clay, volcanic ash, fly ash, or silica fumes, Portland Composite Cement display comparable strength and durability such as Ordinary Portland Cement. With higher resistance towards sulphate attacks, chloride attacks and carbonation, Portland Composite Cement is ideal for developing impermeable structures. It has a low heat emission-quality to prevent cracks in structures and alkali-aggregation reaction. Also chemically robust, Portland Composite Cement is suitable for coastal constructions and hydraulic establishments.
Compared with other cement variants, Portland Composite Cement boasts a low carbon footprint, As it can use mixture of mineral components utilised in manufacturing Portland Composite Cement. That makes it essentially an eco-friendly construction material with higher strength.
Portland Composite Cement shows a significantly higher fineness, ideal for Durable concrete structures and palstering works. Also, the denser microstructure of Portland Composite Cement, leading to a high packing density, facilitates concrete to flow efficiently within reinforcements.
As made fineness and improved fresh concrete properties, Portland Composite Cement meets the quality requirements of Sri Lanka Standard SLS 1697: 2021.