GROUND GLASS POZZOLAN
Made from 100 percent recycled glass, Re-Act 4 is an amorphous glass powder with excellent pozzolanic properties.
An environmentally safe and sustainable secondary cementitious material, is suitable for countless applications in the refractory, mineral processing and construction materials industries.
Make a sustainable choice for your next project.
A high-performance ground-glass pozzolan used in construction products ranging from ultra-high-performance concrete to architectural precast and from ready-mix concrete to premium durability grades. Added to cement, it makes the finished product more durable, long-lasting and cost-effective.
Contributes to the function and application of sustainability, improving the longevity and viability of your products.
Contributes to the function and application of sustainability, improving the longevity and viability of your products.
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Using in your concrete mixture will:
- Increase 28-day strengths.
- Provide a twenty-times reduction in CO₂ emitted compared to ordinary Portland cement.
- Improve chloride and sulfate resistance.
- Moderate ASR resistance.
- Improve freeze and thaw resistance.
- Result in exceptional UHPC mixtures.
As a 100 percent recycled product, OPTA Glass reduces glass in landfills and lowers the overall carbon footprint.
TYPICAL CHARACTERISTICS*
| Analysis | Typical | Min | Max |
|---|---|---|---|
| SiO2 (%) | 70.0 | 68.0 | 80 |
| Fe2O3 (%) | 0.5 | 0.1 | 1.0 |
| Al2O3 (%) | 1.0 | 0.3 | 5.0 |
| CaO (%) | 10.0 | 2.0 | 15.0 |
| NaEq (%) | 13.0 | 7 | 15.0 |
| >45μ(%) | 0.0 | 0.0 | 0.0 |
| LOI | 0.2 | 0 | 0.5 |
| Pozzolanic Activity (%) 28d | 107 | 100 | 125 |
| Water Demand (%) | 99 | 97 | 102 |
| Brightness (L*) | 94 | 90 | 97 |
*These values describe a mean range and do not represent a specification.
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