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High Quality Metakaolin Powder for Cement and Concrete
| Price | $1.00 |
|---|---|
| Min Order | 25 kg |
| Availability | In Stock |
| Shipping From | Hebei, China |
| Popularity | 458 people viewed |
Model NO.:
CM-M
Certification:
ISO
Technique:
Calcined Kaolin
Application:
Paper, Ceramic, Refractory
Shape:
Powder
Color:
White/Pink
Purity:
99.9%
Sample:
Free
Component:
Al2O3 /2sio2
Trademark:
CHM
Transport Package:
25kg/Bag
Specification:
325mesh-6000mesh
Origin:
Hebei, China
HS Code:
2507001000
Product Description
Metakaolin is a highly active mineral admixture, which is amorphous aluminum silicate formed by low-temperature calcination of ultrafine kaolin. It has high volcanic ash activity and is mainly used as a concrete admixture. It can
also be used to produce high-performance geopolymers.
| Properties | Spec. | Test results for reference |
| Refractoriness, ºC | ≥1790 | |
| Bulk Density, g/cm3 | ≥2.48 | |
| L.O.I (%) | ≤0.25 | |
| Mullite Phase (%) | 55-65 | |
| Mohs Hardness | 7-8 | |
| Fines in sands,% | ≤0.3 | |
| PH Value | 6-8 | |
| Chemicals | ||
| Al2O3,% | 46-48 | 46.62 |
| SiO2,% | 50-52 | 50.81 |
| Fe2O3.% | ≤1.2 | 0.89 |
| TiO2,% | ≤0.7 | 0.60 |
| CaO+MgO % | ≤0.5 | 0.38 |
| K2O+Na2O,% | ≤0.5 | 0.38 |
Metakaolin is a highly active artificial volcanic ash material that can react with Ca (OH) 2 (CH) and water to produce hydration products similar to cement. By utilizing this characteristic, when used as an admixture for cement, the CH reaction generated during the cement hydration process can improve certain properties of the cement.
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