92% Densified Microsilica (Silica Fume) 92D
92% Fumée de silice densifiée (92D) is a type of silica fume that has been processed to increase its bulk density. This makes it easier to handle and transport, and can also improve its performance in concrete.
92% Densified Silica Fume is a type of microsilica that is produced as a byproduct of the production of silicon metal and ferrosilicon alloys. It is a highly reactive pozzolanic material with a high silica content of over 92% and a bulk density of around 550-700 kg/m3. The specific surface area of 92% Densified Silica Fume is very high, ranging from 20,000 à 30,000 m2/kg, making it an ideal additive for concrete and cement-based products.
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Advantages
- Force accrue
- Durabilité améliorée
- Reduced permeability
- Increased bond strength
Applications
- High-strength concrete: 92D is often used in high-strength concrete applications, where its pozzolanic properties can help to achieve very high compressive strengths.
- Durable concrete: 92D is also used in concrete applications where durability is important, such as in marine environments or in areas with severe freeze-thaw cycles.
- Concrete with reduced permeability: 92D can be used to reduce the permeability of concrete, which can improve its resistance to water and other fluids.
- Concrete with improved bond strength: 92D can be used to improve the bond strength of concrete to steel reinforcement, which helps to improve the overall performance of the concrete structure.
Paramètres
Propriété | Value |
---|---|
Silicon Dioxide (SiO2) amorphous | >92% |
Carbon (C) | <5% |
Aluminum Oxide (Al2O3) | <0. 8% |
Magnesium Oxide (MgO) | <3% |
Calcium Oxide (CaO) | <0.8% |
Iron Oxide(Fe2O3) | <1% |
Sodium Oxide (Na2O) | <1% |
Potassium Oxide (K2O) | <1. 2% |
Silicon Dioxide (SiO2) Crystalline | <0.5% |
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Fondé en 2001, HSA est l'un des principaux fournisseurs de fumées de silice et d'abrasifs en Chine, et également la source premium de produits hautes performances pour les industries du béton et des abrasifs.