Premium Materials for High-Performance Concrete
We supply high-quality GGBFS and Microsilica (Silica Fume) that meet international standards, packaged in jumbo bags for convenient shipping worldwide.
GGBFS
Ground Granulated Blast Furnace Slag
GGBFS is a high-quality cementitious material produced by quenching molten iron slag from a blast furnace in water or steam, then grinding it into a fine powder. It is widely used as a partial replacement for Portland cement in concrete production, offering significant environmental and performance benefits.
Key Benefits
| Parameter | Specification | Standard |
|---|---|---|
| Fineness (Blaine) | 400-500 m²/kg | GB/T 18046 |
| Activity Index (7d) | ≥75% | GB/T 18046 |
| Activity Index (28d) | ≥95% | GB/T 18046 |
| MgO Content | ≤14% | GB/T 18046 |
| SO₃ Content | ≤4% | GB/T 18046 |
| Chloride Content | ≤0.06% | GB/T 18046 |
| Loss on Ignition | ≤3% | GB/T 18046 |
| Moisture Content | ≤1% | GB/T 18046 |
1.5 MT Jumbo Bags (FIBC)
UV-resistant polypropylene bags with lifting loops, suitable for bulk handling and storage
Container Loading Capacity
20' Container: ~24 MT | 40' Container: ~26 MT
See our GGBFS products being loaded and shipped to customers worldwide. Every shipment is carefully handled to ensure product quality.
GGBFS 1.5MT jumbo bags prepared and stacked for container loading
Professional forklift operation loading GGBFS into 20' container
Careful positioning ensures maximum container utilization
Systematic loading process for safe ocean transport
Bags properly secured to prevent shifting during transit
Fully loaded container - approximately 24MT GGBFS
Pre-shipment inspection ensures product quality standards
Container sealed with customs documentation complete
Click on any image to view full size. All photos are from actual GGBFS shipments.
Microsilica
Silica Fume / 微硅粉
Microsilica (also known as Silica Fume) is an ultra-fine amorphous silica powder, a byproduct of silicon and ferrosilicon alloy production. With particle sizes approximately 100 times smaller than cement, it fills the gaps between cement particles, dramatically improving concrete strength, durability, and impermeability.
Key Benefits
| Parameter | Specification | Standard |
|---|---|---|
| SiO₂ Content | ≥92% | GB/T 27690 |
| Loss on Ignition | ≤4% | GB/T 27690 |
| Moisture Content | ≤3% | GB/T 27690 |
| Specific Surface Area | 15-30 m²/g | GB/T 27690 |
| Average Particle Size | 0.1-0.3 μm | GB/T 27690 |
| Bulk Density (Undensified) | 200-350 kg/m³ | GB/T 27690 |
| Bulk Density (Densified) | 500-700 kg/m³ | GB/T 27690 |
| Activity Index (7d) | ≥105% | GB/T 27690 |
- High-strength concrete (C60 and above)
- Marine and offshore structures
- Bridge decks and parking structures
- Shotcrete and tunnel linings
- Nuclear power plant construction
- Oil well cementing
- Refractory materials
1.0 MT Jumbo Bags (FIBC)
Densified microsilica in UV-resistant polypropylene bags, with inner liner for moisture protection
Container Loading Capacity
20' Container: ~18 MT | 40' Container: ~20 MT
View our Microsilica products being prepared and shipped to construction projects globally. Quality packaging ensures product integrity during transit.
Densified Microsilica 1.0MT bags stored in controlled environment
Professional handling ensures bag integrity during loading
Careful container loading for international shipment
Optimized stacking pattern maximizes container capacity
Approximately 18MT Microsilica per 20' container
Final quality check before container sealing
Container sealed and documented for ocean freight
Click on any image to view full size. All photos are from actual Microsilica shipments.
Professional Jumbo Bag Packaging
Our products are carefully packaged in high-quality jumbo bags to ensure safe transportation and easy handling at your facility.
Jumbo Bag Features (FIBC)
- UV-stabilized polypropylene material
- 4-loop design for easy lifting
- Dust-proof inner liner
- Clearly labeled with product information
- Moisture-resistant construction
- Dimensions: 90 x 90 x 120 cm (approx.)
Container Loading Capacity
GGBFS (1.5 MT bags)
Microsilica (1.0 MT bags)
Need Product Samples or Technical Data?
We're happy to provide product samples and detailed technical documentation. Contact our team to discuss your requirements.
Looking for more products? Visit www.ggbfssupply.com for our complete product catalog.
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