As the construction industry accelerates toward sustainability, reducing the carbon footprint of concrete has become a top priority. One of the most effective approaches is minimizing the use of Ordinary Portland Cement (OPC) and adopting Supplementary Cementitious Materials (SCMs) such as fly ash, GGBFS, limestone, calcined clay, and metakaolin. These materials not only help conserve natural resources but also significantly reduce CO₂ emissions associated with clinker production, one of the largest contributors to global greenhouse gases.
Challenges in High SCM Concrete Mixes
While the shift to high-volume SCM concrete is essential, it brings several on-site challenges:
- Inconsistent strength development
- Poor workability and rapid slump loss
- Extended setting times in varying climates
- Increased dosage of admixtures
- Higher risks of rework, delays, and project costs
Addressing these challenges requires innovative admixture solutions tailored for modern concrete demands.
Fosroc Auramix ECO Series
The Fosroc Auramix ECO Series, enhanced with HEE (Hydration Efficiency Enhancement) Technology, is specifically developed for low-clinker and high SCM concrete mixes. This advanced admixture range improves both fresh and hardened concrete properties, ensuring reliable performance even under demanding site conditions.
How Auramix ECO Works?
Auramix ECO utilizes high-efficiency enhancers to activate the hydration process of SCMs like fly ash and GGBFS.
Core Mechanism
Ca(OH)₂ + SiO₂, Al₂O₃ → C-S-H Gel
- Enhances dissolution of silica and alumina
- Promotes formation of alumino-silicate hydrate gel
- Improves bonding and microstructure
- Ensures better strength and durability
This results in optimized hydration and improved overall concrete performance.
Environmental Impact of Concrete & Role of Auramix ECO
The construction sector significantly contributes to environmental challenges:
- 23% of air pollution
- 7–8% of global CO₂ emissions from cement industry
- Major contribution to climate change
CO₂ Reduction Potential
For every cubic meter of concrete:
55% Fly Ash replacement → ~100 kg CO₂ reduction
70% GGBFS replacement → ~195 kg CO₂ reduction
Auramix ECO supports these reductions while maintaining concrete quality.
Key Benefits of Auramix ECO Series
- Reduces CO₂ emissions
- Excellent rheology for improved flow
- Maintains workability for 2–3 hours
- Minimal impact on setting times
- Strength comparable to conventional concrete
- Enhanced durability and long-term performance
- Suitable for hot climatic conditions
Product Range & Grade Suitability
For GGBFS-Based Concrete
Auramix ECO 208
Auramix ECO 308
Auramix ECO 408
For Fly Ash-Based Concrete
Auramix ECO 209
Auramix ECO 309
Auramix ECO 409
Application Based on Concrete Grade
Auramix ECO 208 / 209 – Up to M40
Auramix ECO 308 / 309 – M35 to M50
Auramix ECO 408 / 409 – Above M50
Compatibility with Other Fosroc Solutions
Auramix ECO Series is compatible with:
Conplast WL Xtra (Integral Waterproofing Admixture)
Auramix BCI (Corrosion Inhibitor)
Conplast Crystalline
This ensures enhanced durability, corrosion protection, and waterproofing performance.
Enabling High-Performance, Low-Carbon Construction
With increasing regulatory pressure and environmental awareness, the adoption of sustainable construction materials is no longer optional—it is essential.
The Fosroc Auramix ECO Series stands out as a future-ready solution that:
- Enables high SCM usage without compromising performance
- Improves constructability under real site conditions
- Reduces environmental impact at scale
As the demand for sustainable construction continues to grow, the adoption of low-carbon materials and technologies is becoming essential. Fosroc Auramix ECO Series offers a practical and efficient solution to enable high SCM usage without compromising on performance. By improving workability, strength development, and durability, while significantly reducing environmental impact, Auramix ECO stands out as a future-ready admixture solution for modern construction needs.
Fosroc Chemicals (India) Private Limited
Address: Embassy Point No.150, 2nd Floor, Infantry Road, Bangalore – 560001
Tel: +91 80 4252 1900 | Fax: +91 80 2228 1510
Email: enquiry.india@fosroc.com | Website: www.fosroc.com
