The most technically substantive dimension of NRC’s sustainability agenda is its development of multiple low-carbon cement product lines, each targeting a different substitution chemistry and end-use application. This product diversification strategy is significant because different construction applications have different performance requirements, and a company that can offer verified low-carbon options across a range of technical specifications has a broader commercial opportunity than one that offers a single green product.
The first pathway is Pozzolanic Portland Cement (PPC), where NRC incorporates natural pozzolanic materials as a partial clinker substitute at substitution rates reaching 35 percent. PPC is characterized by low permeability, high durability, and resistance to sulfates and chlorides, making it the preferred specification for foundations, sewage storage tanks, and marine and saltwater applications. It produces high-durability, long-life concrete while generating meaningfully lower CO2 intensity than OPC, and it carries Saudi quality certification. From an environmental perspective, using one ton of pozzolan as a clinker substitute reduces approximately 350 kilograms of CO2 per ton of cement produced while simultaneously improving concrete performance in aggressive environments.
The second pathway is LC3 cement (Limestone Calcined Clay Cement), where a mixture of calcined clay and limestone is used as a partial clinker substitute with substitution rates reaching 50 percent. LC3 targets a CO2 reduction of up to 40 percent compared to conventional Portland cement, placing it among the most aggressive decarbonization technologies currently available in the sector. NRC’s LC3 product meets the performance requirements of Cem II/B LL 32.5 N standard, with compressive strength and durability comparable to or better than conventional equivalent products. The ability to offer LC3 at commercial scale reflects genuine process and quality management capability, since the consistency of calcined clay chemistry requires precise control of raw material sourcing and processing conditions.
The third pathway is white limestone cement (Cem II/B LL 35.5), which uses limestone as a partial clinker substitute at rates reaching 35 percent. The bright white color of this product makes it ideal for finishing, decorative, and aesthetic applications where appearance is a primary specification requirement. It combines high quality, strength, and stability with an eco-friendly and economical production profile, targeting a segment of the construction market that has historically had very limited access to lower-carbon options.
Reinforcing these product innovations is a proprietary technology achievement: NRC holds Patent SA10181, awarded by the Saudi Authority for Intellectual Property in June 2022, for the conversion of the white cement production line from black to white cement. This patent reflects NRC’s technical depth in white cement manufacturing, specifically the engineering of a production line capable of switching between black and white clinker production, which requires precise chemistry control, specialized kiln management, and advanced quality monitoring to achieve the whiteness index required for certified white cement products.




