Low-carbon sustainable products

Since 2009, Asia Cement has invested ahead of the curve in masonry cement R&D and achieved mass production in 2011, establishing leadership in low-carbon cement technologies. Continuing product innovation, the company reduces the clinker factor and incorporates supplementary cementitious materials (SCMs). In 2022, ACC successfully developed Portland Limestone Cement (PLC), which lowers CO₂ emissions by approximately 10–15% compared with conventional cements. ACC is also advancing ternary blended cements, optimizing combinations of multiple SCMs to deliver superior performance in strength development, durability, permeability, and corrosion resistance—meeting the construction sector’s high-performance requirements, enhancing long-term structural stability and service life, and further reducing the overall carbon footprint.

Low-Carbon Cement R&D and Production

ACC’s proprietary Portland Limestone Cement (PLC) is a blended cement with a higher limestone content suitable for general construction, bridges, pavements, precast concrete, and mass concrete. While maintaining the performance of Portland cement, PLC effectively reduces greenhouse-gas emissions and is a low-carbon, sustainable product.

Since 2011, ACC has led the market in promoting low-carbon products such as masonry cement, widely used for base coats, finishing, bricklaying, exposed aggregate, and similar applications, offering excellent workability and crack resistance. In 2024, ACC held 79 roadshows/workshops and participated in the 2024 Kaohsiung International Building Materials Exhibition and the Taipei International Building, Construction & Products Exhibition to introduce low-carbon products to contractors, developers, and prospective clients.

Driven by proactive market engagement, sales of low-carbon products grew steadily: low-carbon cement sales reached 49,378 tonnes in 2024, up 75% year-on-year versus 2023, reflecting rising demand for low-carbon materials and validating ACC’s product transition and market communication strategy.

• 2024 Low Carbon Cement Highlights

Enhance Product Carbon Footprint Documentation

Our company is committed to establishing a fully transparent carbon footprint record for cement products. All our cement products have obtained ISO 14067 carbon footprint verification. The carbon footprint of Portland limestone cement is 798 kg CO₂e/ton, while masonry cement is 752 kg CO₂e/ton—representing a 9% to 17% reduction in carbon footprint compared to ordinary Portland cement. This not only meets market demand for high-quality, low-carbon building materials but also enables customers to clearly understand carbon footprint data, enhancing carbon reduction management efficiency.

Low carbon sustainable industrial 

In 2023, ACC established the 1+N carbon reduction system to promote the green transformation across the industrial chain. The carbon reduction initiative invited subsidiaries and customers to participate, with 15 companies spanning concrete manufacturing, cement products, sand and gravel manufacturing, and other fields joining in. Together, they participated in carbon inventory and energy-saving guidance to identify emission hotspots and collaborate on carbon reduction efforts. A total of more than 108 participants attended the session and gained carbon management capabilities. It is expected that the improvement plan will achieve an annual carbon reduction of 25,000 tons of CO2e. Each plan will assess and implement the execution schedule according to their operational plans in the future.

1. The establishment of the 1+Ncarbon reduction system in 2023.
2. Invited subsidiaries and customers to participate.
3. Participated in carbon inventory and energy-saving guidance.
4. A total of more than 108 participants attended the training.
5. The expected annual carbon reduction is 25,000 tons of CO2e.