Granulated Slag (GGBFS)
Granulated Slag (GGBFS) is a finely ground by-product rich in calcium, silica, and alumina. It serves as a key geopolymer precursor, enhancing strength, durability, and sustainability in low-carbon concrete systems.
Price range: $18.95 through $34.95
Granulated Slag is a finely ground, glassy by-product formed when molten blast-furnace slag is rapidly cooled and milled into a reactive powder. Composed mainly of calcium, silica, and alumina, it exhibits strong latent hydraulic and pozzolanic properties, making it a key ingredient in sustainable binder systems.
Use in Geopolymer Systems
When activated with alkaline solutions, granulated slag forms high-strength, low-permeability geopolymer matrices with excellent chemical and thermal resistance. It enhances early strength, accelerates setting, and provides superior durability compared to fly ash-only systems.
Benefits
- High early and long-term strength
- Excellent sulfate and chloride resistance
- Lower heat of hydration in large pours
- Reduced CO₂ footprint and clinker replacement
- Improved microstructure for long-lasting performance
Applications
- Geopolymer concrete and mortar
- Sustainable infrastructure and precast elements
- Blended cements and hybrid binder systems
- Marine and chemical-resistant structures
Packaging & Storage
Available in 10 lb bags or bulk supply. Store in a dry, moisture-free environment to maintain reactivity and flowability.