Normal addition rates of silica fume may result in concrete that is slightly
darker in color. For this reason, standard silica fume has not been used in
architectural concrete when color is important. White silica fume may be
used in this application.
The Silica Fume Association
38860 Sierra Lane, Lovettsville, VA 20180
Tel: 540.822.9455 Fax: 540.822.9456