Pozzolan
A silica- or alumina-rich material (fly ash, silica fume, volcanic ash) that reacts with portlandite to form additional C-S-H gel; used as a cement blend component.
A silica- or alumina-rich material (fly ash, silica fume, volcanic ash) that reacts with portlandite to form additional C-S-H gel; used as a cement blend component.
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