Displaying items by tag: low carbon cement

US: Fortera says that its ReAct low-carbon cement product is the first to meet all six ASTM C1157 performance categories simultaneously. Previously, it says, this level of versatility typically required four separate Portland cement formulations. It added that, with one formulation covering all six categories, ReAct reduces procurement complexity and streamlines mix design, enabling contractors to use a single cement instead of multiple cementitious products for different parts of the same project. Independent testing by Construction Testing Services validated the product’s performance across the standard's eight test requirements.

Craig Hargis, Vice President of Products at Fortera, said “This certification confirms that ReAct performs to the industry's established standards.” He added, “For years, lower-carbon options have been seen as a compromise on either performance or cost. ReAct shows that contractors do not have to choose. It meets the strength and durability requirements they expect, avoids a green premium, and fits into the specifications and infrastructure already in use.”

ASTM C1157 is a performance-based standard that evaluates cement on measurable outcomes rather than on its chemical composition. The specification covers factors such as compressive strength, air content, set time, fineness, density, heat of hydration, mortar expansion, and sulphate expansion. ReAct has met the requirements for all six performance categories under the standard: general use, high early strength, moderate sulphate resistance, high sulphate resistance, moderate heat of hydration, and low heat of hydration.

Fortera operates a 15,000t/yr plant in Redding, California. The company uses a technology that captures CO₂ emissions from traditional cement production and converts them into a mineral form for low-carbon cement.

UK: First Graphene has announced the successful large-scale production of around 600t of graphene-enhanced cement at Breedon’s Hope Cement Works in Derbyshire ahead of new trial projects rolling out across the UK. The batch contains 3t of First Graphene’s PureGRAPH-CEM® additive, and was produced in a single day. The product is now in storage ahead of despatch for use in three concrete projects across the UK. The University of Manchester will conduct compressive strength testing and analysis of the concrete’s performance.  The additive is introduced during the final milling stage, and is designed to reduce CO₂ emissions by up to 16% by lowering the clinker content in the cement.

The first trial involves using 30-40t of the graphene-enhanced cement to produce thousands of roof tiles at FP McCann’s Cadeby plant in Leicestershire. The five-month study is part of an Innovate UK-funded initiative aiming to improve resource efficiency and reduce construction waste in response to the UK government’s housing targets. First Graphene has also reportedly received further interest from organisations in both the UK and Australia for testing the material in various applications.

First Graphene CEO Michael Bell said “Adding graphene into cement has proven to deliver performance benefits for a wide range of applications, and multiple end uses of this cement batch reinforces PureGRAPH®'s versatility. We look forward to working closely with our strategic commercial partner Breedon, Morgan Sindall, FP McCann and the University of Manchester as application trials roll out over the coming months."

Sweden: The Swedish Energy Agency has awarded US$12.5m to Boliden under its Industrial Leap initiative to support the development of a low-carbon cement alternative derived from iron-rich residual materials. The product allows for partial replacement of limestone in cement. Boliden is building an industrial demonstration plant to produce, test and verify the new material, which is based on byproducts from its own operations. Boliden estimates that the technology could cut value-chain emissions by around 600,000t/yr of CO₂ if fully implemented across its operations.

“Demonstrating innovative new technology to manufacture products with lower carbon emissions is fully in line with the purpose of the Industrial Leap. By reusing materials in new products instead of depositing them, the project also contributes to more circular use of materials,” said Klara Helstad, Deputy Head of the Department for Research, Innovation and Business Development at the Swedish Energy Agency.

France: Ecocem has welcomed the publication of a new European Assessment Document (EAD) on blended cements, confirming that the company’s ACT low-carbon technology meets recognised technical requirements for the European construction market. The EAD enables Ecocem and other low-carbon cement producers to pursue the European Technical Assessment (ETA) route and obtain CE marking for market access.

Ecocem’s ACT product reduces CO₂ emissions by up to 70% compared to conventional cement, and received ETA 23-0877 in December 2023, issued by Cerema. Ecocem is currently building the first production line for ACT at its new €50m facility in Dunkirk, France, which is planned to begin commercial operation in late 2026. This is part of a wider €226m investment programme to expand the company’s production facilities by 2030.

US: Sublime Cement has announced a 10% workforce reduction and a pause in the development of its planned demonstration plant in Holyoke, Massachusetts, after the company failed to reverse a decision to cancel a US$86m federal grant, which would have funded 50% of the project. The company had been awarded the grant by the Department of Energy’s Office of Clean Energy Demonstrations (OCED), but the Trump administration cancelled all grants in May 2025. Sublime said that the loss of the grant disrupted the company’s financing plans and forced it to explore alternative scale-up options.

The company said in a statement “We are actively working through a robust set of alternative scale-up plans and have several exciting options to bring our first commercial plant online.”

Earlier in 2025, Microsoft committed to purchasing 623,000t of Sublime’s low-carbon cement to reduce the embodied emissions of its construction projects. The Holyoke plant was to supply the product, with a planned output of over 30,000t/yr. Sublime said that it remains in discussions with the Department of Energy.

Europe: Vattenfall has signed a commercial agreement with Cemvision to supply near-zero-CO₂ cement for its onshore wind infrastructure projects across Europe from 2028. Cemvision’s Re-ment Massive product will be prioritised by subcontractors and has the potential to cut emissions by up to 95%, according to the company. Deliveries will come from Cemvision’s first industrial-scale plant and follow a 2024 letter of intent signed by the two companies.

Cemvision CEO Oscar Hallen said “This long-term agreement for the supply of our near-zero cement is a foundational step in transforming the cement market, and we are proud to take the partnership with Vattenfall to the next level. Our cement is one of the most cost-efficient ways to decarbonise construction. Moving from pilot to commercial action is how the transition becomes real.”

Vattenfall aims for 10% of its cement and concrete purchases to be near-zero by 2030, with the deal making it possible to reach 20% by 2028 and supporting a 50% supply chain emissions reduction by 2030.

Sweden/India: Cemvision has received a grant from the Swedish Energy Agency to conduct a joint feasibility study with Tata Steel to convert basic oxygen furnace (BOF) and electric arc furnace (EAF) slags into feedstock for near-zero-CO₂ cement. The 10-12-month study will assess the technical and economic viability of a scalable slag valorisation model, ahead of a planned demonstration facility at Tata Steel’s site.

Cemvision CEO Oscar Hållén said “Being able to, at scale, turn environmental liabilities into valuable resources is exactly the kind of climate innovation heavy industry needs. In partnership with Tata Steel, we hope to show how steel slag can become a cornerstone in near-zero CO₂ cement, while metals are recovered and returned to steel production.”

The project is part of the India-Sweden Industry Transition Partnership (ITP), announced during Cop30 in Belém, Brazil. Tata Steel also received a grant from India’s Department of Science and Technology, with additional partners including IIT ISM Dhanbad and JK Cement.

The Indonesian Cement Association (ASI) has warned that cuts to the Nusantara Capital City project had reduced cement sales so far in 2025. Yet also this week the ASEAN Federation of Cement Manufacturers (AFCM) launched its 2035 AFCM Decarbonisation Roadmap. Here is a round-up of recent news from the cement sector in Indonesia.

ASI data shows that local cement sales volumes fell by 2.5% year-on-year to 51.9Mt in the first 10 months of 2025 from 53.2Mt in the same period in 2024. Cement production decreased by 5.6% to 52.9Mt. Lower demand was reported in Kalimantan and Java. However, it rose in Sumatra and Nusa, in part, due to road construction. Sadly, Sumatra has been badly affected by floods this week. National cement exports grew by over 20% to 1.1Mt. The ASI is currently hopeful that a government-backed home renovation programme might stimulate demand.

Graph 1: Domestic cement sales and exports in Indonesia, 2019 - 2025. Source: Indonesian Cement Association (ASI). Note: Figure estimated for 2025, exports include cement and clinker.

The general picture can be seen above in Graph 1. The local cement sector has generally had a capacity utilisation issue since the mid-2010s. Domestic sales started to catch up but the Covid-19 pandemic disrupted the market. Meanwhile, exports of cement and clinker have been steadily rising since 2014. These are dominated by clinker exports, with the single largest destination being Bangladesh. Other major targets include Taiwan and Australia. The country’s relatively low consumption of cement per capita suggests that the utilisation rate will grow over time.

The local production market is dominated by state-owned Semen Indonesia (SIG) (with a 48.5% share), followed by Indocement (29.1%), Conch Cement Indonesia (7.1%) and Cemindo Gemilang (6.6%). SIG’s sales volumes in the first nine months of 2025 roughly follow the general trend reported by the ASI with local sales down by 1.8% year-on-year to 27.5Mt and exports up by 25.3% to 5.1Mt. The group’s sales revenue and earnings before interest, taxation, depreciation and amortisation (EBITDA) dropped by 3.8% to US$1.52bn and 23.8% to US$198m respectively. Indocement’s revenue fell by a similar rate. Both companies anticipate a modest recovery in 2026.

Something to note from SIG’s financial results and related discussions in 2025 (and earlier) has been its approach to marketing and selling its cement brands in a highly competitive environment. It says it changes its brand mix in different regional locations with varying combinations of market leaders with premium pricing and so-called ‘fighting brands’ with competitive pricing. Yet, eco-brands received a mention in addition to the other two groups in the third quarter report analysts’ discussions suggesting an appetite for potentially lower-clinker cements in a developing market such as Indonesia.

This leads to the second Indonesia-related news story of the week: the 2035 AFCM Decarbonisation Roadmap. The plan intends to reduce net CO₂ emissions from the cement sector in the region by 16% to 190Mt/yr from 228Mt/yr in 2020. 58% of this reduction will be achieved through the use of alternative fuels, 33% via the use of low-carbon cements and 9% through the use of renewable energy sources. Work towards carbon capture, utilisation and/or storage (CCUS) is starting with the aim of supporting capture pilots in the region and planning towards CO₂ transport and storage networks. Similarly, the roadmap urges producers to identify and prepare to use new secondary cementitious materials such as calcined clay and construction and demolition waste.

The race between capacity building and market share has been a familiar one in coverage of the cement market in Indonesia in recent decades. Provided the main companies can endure the competition, it looks set to continue, while demographic trends indicate the need for continued investment. Otherwise more market consolidation is to be expected when the utilisation rate dips too low. What is new though are the higher levels of blended cements and the changes this brings to the market. This can be seen above in the marketing strategy of SIG and the regional decarbonisation strategy. Similar trends are happening everywhere but the effects on a highly competitive market could be pronounced. Particularly if those government-backed schemes that the sector anticipates promote it.

The Global CemFuels Asia Conference will take place on 2 - 3 February 2026 in Bangkok

Austria: Alpacem Cement Austria will invest in new infrastructure at its Wietersdorf site in Carinthia to process and utilise low-CO₂ alternative raw materials in cement production. The project aims to cut process-related CO₂ emissions by 51,000t/yr. The company will construct a new plant, expand conveying and storage facilities and modernise dosing systems to raise the share of alternative raw materials to 35%. The project is supported by a €21.6m grant under Austria’s ‘Transformation of Industry’ programme.

Southeast Asia: The ASEAN Federation of Cement Manufacturers (AFCM) has launched the 2035 AFCM Decarbonisation Roadmap, which it says is the world’s first regional decarbonisation strategy for the cement sector. The roadmap was announced during the 46th AFCM Council Meeting in Brunei Darussalam, chaired by Dr Chana Poomee and attended by cement association leaders from all eight AFCM member countries.

The roadmap sets a shared framework for systematic CO₂ reduction aligned with national climate policies and global environmental goals. Supported by the Global Cement and Concrete Association (GCCA), it is built upon four pillars: expansion of low carbon cement, transition to renewable energy across production processes and enhancing efficiency to reduce energy consumption, deployment of decarbonisation technologies such as carbon capture, utilisation and storage (CCUS), and development of new supplementary cementitious materials.

Member associations from Brunei Darussalam, Cambodia, Indonesia, Malaysia, the Philippines, Singapore, Thailand and Vietnam said that national implementation will vary depending on local energy mix, policies, industrial maturity and material availability. The strategy could reportedly cut regional CO₂ emissions by up to 38Mt by 2035.