Backgrounds to the revision of EN 450-1:2005+A1:2007. Fly ash for concrete

Backgrounds to the revision of EN 450-1:2005+A1:2007. Fly ash for concrete

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1   Scope

This Technical Report describes the backgrounds to the revision on EN 450‑1:2005+A1:2007, Fly ash for concretePart 1: Definition, specifications and conformity criteria.