Product Name: Metakaolin
CAS No.: 15123-81-6
Appearance: Off-white powder
Packing: 25KG/Drum
Metakaolin CAS 15123-81-6
Description
Details
Product Name: Metakaolin
Synonyms: Active Kaolin, Calcined Kaolin
CAS No.: 15123-81-6
Molecular Formula: AlH9O7Si2
Molecular Weight: 204.22
Appearance: Off-white powder
Specification
| Item | Specification |
| Melting point | ＞ 1700°C |
| Boiling point | N/A |
| Density | 2.5 – 2.6 g/cm³ |
| Specific Surface Area (BET) | 15 – 25 m²/g |
Usage
High-Performance Concrete: High-performance pozzolanic admixtures used in ultra-high-strength concrete (UHPC), long-span bridges, and marine engineering.
Mortars & Plasters: Used in the formulation of high-grade grouts, tile adhesives, and decorative plasters, effectively suppressing efflorescence and improving bond strength.
Geopolymers: Utilizing aluminosilicates as a core source of geopolymers for the development of low-carbon, environmentally friendly new cementitious materials.
Fiber Cement Products: Used in the production of fiber-reinforced panels, improving the density, freeze-thaw cycle resistance, and surface smoothness of the products.
Refractories & Coatings: Enhancing the abrasion resistance and chemical corrosion resistance of paint films in specialty coatings.
Packaging and Shipping
Packing: 25KG/Drum
Storage
Store in a cool, dry, and well-ventilated warehouse. Keep packages tightly sealed to protect against humidity and damage. Wear dust-proof protection masks during handling.