NF EN 934-1

Admixtures for concrete, mortar and grout - Part 1 : common requirements

Le présent document spécifie les exigences qui sont communes à tous les adjuvants couverts par les normes NF EN 934-2, NF EN 934-3, NF EN 934-4 et NF EN 934-5 qui incluent les exigences spécifiques applicables à chaque type d'adjuvant. Le présent document rentre dans le cadre de la Directive 89/106/CE "Produits de construction". Il doit être utilisé avec les normes de la série EN 480 qui comprennent les méthodes d'essai applicables aux adjuvants. Il fait partie d'un ensemble de normes comprenant 6 parties.

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

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