Robuta

https://www.concrete.org/publications/internationalconcreteabstractsportal.aspx?m=details&id=2376
The first silica fume admixture aimed at the ready-mixed market appeared in the United States in 1983. Since then, the use of silica fume has developed slowly.
ready mixed concretesilica fumeworking
https://www.openpr.com/news/2124631/ultrafine-silica-fume-market-size-share-development-by-2025
Press release - LP Information - Ultrafine Silica Fume Market Size, Share, Development by 2025 - published on openPR.com
silica fumemarket sizeultrafinesharedevelopment
https://www.concrete.org/publications/internationalconcreteabstractsportal.aspx?m=details&id=6127
The state-of-the-art relating to the resistance of silica-fume concrete to de-incing salt scaling is reviewed. The performance of silica-fume concrete to de-ici
silica fumeresistanceconcretedeicingsalt