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Highly active metakaolin (Anhydrous Aluminum Silicate Al₂Si₂O₇),
CAS Number: 92704-41-1.
In cement mortar, Highly Active Metakaolin (also known as Metakao) is an important Admixture that enhances the performance of the mortar. Metakaolin is a naturally occurring clay mineral that has been specially treated to have a higher specific surface area and reactivity, allowing it to serve multiple functions in cement mortar. The recommended dosage is 5–15%.
Our Product Range of Highly active metakaolin：
✅ SJZ-MK
✅ SJZ-CK1.0
✅ SJZ-R
I. SJZ-MK
✅ Key Performance Features
Exhibits strong pozzolanic activity and is highly effective in practical applications for:
1. Improving the compressive strength grade of concrete
2. Enhancing impermeability, freeze-thaw resistance, and overall durability
3. Optimizing workability of concrete with improved flowability, cohesiveness, and water retention
4. Helping reduce production costs due to its performance and efficiency advantages
✅ Application Fields
Special cement-based materials, cement-based piles, general concrete, marine engineering projects
II. SJZ-CK1.0
✅ Key Performance Features
1. Exceptional pozzolanic reactivity
2. Significantly improves early compressive and flexural strength
3. Enhances impermeability and chemical resistance
4. Reduces heat of hydration, minimizing temperature cracks
5. Effectively mitigates or eliminates alkali-silica reaction (ASR) issues
✅ Application Fields
1. Cement-based mortars
2. Artificial stone and engineered stone products
3. High-performance concrete systems
III. SJZ-R
✅ Key Performance Features
1. Extremely high pozzolanic activity
2. High whiteness and superior color adaptability
3. Enhances impermeability and chloride corrosion resistance in marine construction
4. Significantly improves bonding strength and leveling performance
5. Reduces or eliminates efflorescence
6. Compatible with white cement, offering both functional and aesthetic benefits
✅ Application Fields
Special cements, mortars, tile adhesives, artificial stone, and other high-performance decorative and structural applications.
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