Building a stronger, greener Africa
SlagCem Africa supplies Granulated Blast-furnace Slag(GBFS) and Ground Granulated Blast‑furnace Slag (GGBS) as a supplementary cementitious material for high‑performance concrete and industrial applications.
- GBFS will be supplied in limited volumes directly from ArcelorMittal's Vanderbijlpark's operation.
The product
Ground Granulated Blast‑furnace Slag (GGBS) is a finely ground, glassy material produced from iron‑making slag. It is commonly used alongside cement or clinker to contribute to long‑term strength and durability in well‑designed mixes.
What SlagCem Africa supplies
- GGBS produced from blast‑furnace slag and beneficiated through a dedicated grinding operation.
- Consistent supply focus — a single product, delivered with a technical mindset.
- Bulk and packaged options can be supported — contact us for current availability.
Why GGBS
- Supports performance-led mix designs where durability and later-age strength matter.
- Can help reduce clinker demand in blends, supporting a lower-impact construction pathway.
- Often selected for durability-focused environments when specified and proportioned correctly.
Primary applications
Where SlagCem Africa GGBS is typically specified and used.
Readymix concrete
Used as a supplementary cementitious material alongside traditional cement to support performance-led concrete production.
Mining backfill
Serves as a binding agent for backfilling, supporting void stabilisation where rapid early strength is not the primary driver.
Cement manufacturing
Used as an input material in blended cements and to support fly ash activation in certain cement classes.
Concrete performance
A practical choice for performance-led concrete where durability matters.
Mining applications
A proven binding agent for backfill in appropriate underground applications.
Resources
Downloads and documents. More resources will be added as this venture grows.
GGBS Product Spec Sheet (PDF)
GBFS Product Spec Sheet (PDF)
MSDS / SDS (coming soon)
/assets when available.About SlagCem Africa
SlagCem Africa is a joint venture formed to bring high-quality GGBS to Southern Africa, combining industrial capability with materials expertise.
Joint venture
Joint venture between ArcelorMittal South Africa Limited and Afrimat Limited.
Proudly local
Built for Southern African conditions and supply realities, with an eco-focused outlook and a performance-first mindset.
Contact
For enquiries, documentation requests, or future availability updates.
What we collect: If you email us, we receive your email address and the information you include in your message.
Why we collect it: To respond to enquiries and provide product information or documentation.
Sharing: We do not sell personal information. Information may be shared internally to respond to your request.
Retention: Kept only as long as necessary for communication and record-keeping.
This is a brief summary for convenience. A full privacy policy can be added when required.