94% Nichtsensidierte Mikrosilika (Kieselschneider) 94U
94% Nichtsensidierte Kieselsäure -Rauch (94U) is a highly effective supplementary cementitious material derived from the byproduct of silicon and ferrosilicon alloy production. It contains approximately 94% amorphous silica (SiO2) and possesses exceptional physical and chemical properties that make it a valuable addition to various construction materials, especially concrete and cement-based products.
With a low bulk density ranging from 250 Zu 350 kg/m3, 94% Undensified Silica Fume is lightweight and easy to handle, resulting in reduced transportation costs. Its specific surface area, typically between 15,000 and 30,000 m2/kg, allows for a high pozzolanic reactivity that enhances the mechanical and durability properties of the final products.
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Features
- Increased compressive and flexural strength
- Reduced permeability and water ingress
- Enhanced resistance to chemical attack and abrasion
- Improved long-term performance and durability
- Lightweight and easy to handle
- Cost-effective and environmentally friendly
Application
- High-performance concrete (HPC)
- Precast and prestressed concrete elements
- Shotcrete for tunnel linings and slope stabilization
- Self-compacting concrete (SCC)
- Fiber-reinforced concrete (FRC)
- Repair and rehabilitation of damaged structures
- Oil well cementing and grouting
- Refractory materials for high-temperature applications
- High-quality ceramics, coatings, and polymers
- Green and sustainable building materials
Parameter
| Eigentum | Wert |
|---|---|
| SiO2 (Siliziumdioxid, Amorph) | 94% min |
| AL2O3 (Aluminiumoxid) | Typisch 0.55% |
| Fe2o3 (Eisenoxid) | Typisch 0.16% |
| Cao (Kalziumoxid) | Typisch 0.38% |
| Mgo (Magnesiumoxid) | Typisch 0.58% |
| K2O (Kaliumoxid) | Typisch 1.24% |
| Na2o (Natriumoxid) | Typisch 0.29% |
| Loi (Verlust der Zündung) | 4% Max |
| Feuchtigkeit | 3% Max, Typisch 0.52% |
| Aufbewahrt 45 Mikron -Sieb | 10% Max, Typisch 1.03% |
| Schüttdichte | 250-350 kg/m3 |
| pH | 6-8 |
| Flüssigkeit | > 18 cm |
| Spezifische Oberfläche (WETTE) | 18 M2/Gramm min |
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Gegründet in 2001, HSA ist ein führender Anbieter von Kieselsäuren und Schleifeln in China, und auch die Premium-Quelle für Hochleistungsprodukte für Beton- und Schleifindustrien.
