Research Article
Effect of Metakaolin on Strength and Efflorescence Quantity of Cement-Based Composites
Table 1
Physical properties of metakaolin.
| | Item | Specific gravity | Color | Brightness
(% ISO) | Surface area
(m2/g) | D10
(μm) | D50
(μm) | D90
(μm) | Bulk density
(g/cm3) |
| | Condition | 2.60 | White | 79–82 | 15 | <2.0 | <4.5 | <25 | 0.03~0.04 |
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