Norm
[AKTUELL]
ABNT NBR 13956-4
ABNT NBR 13956-4
Silica fume for use with Portland cement in concrete, mortar and paste Part 4: Determination of fineness by the 45 µm test sieve
Titel (englisch)
Silica fume for use with Portland cement in concrete, mortar and paste Part 4: Determination of fineness by the 45 µm test sieve