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NA 119

DIN Standards Committee Water Practice

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Standards [CURRENT]

DIN 4904
Poured sealing clay for well construction - Requirements and testing

Title (German)

Geschüttete Abdichtungstone für den Brunnenbau - Anforderungen und Prüfungen

Overview

The standard applies to poured clay-based sealing materials for well and measuring point construction. In addition to physical and chemical requirements and the corresponding test methods, dimensions, hygienic requirements and requirements for labeling, designation, the necessary information on the delivery note, as well as the handling, packaging, storage and transport of the products are specified. The standard also contains an informative annex with corresponding application notes. The standard has been prepared by DIN-DVGW-Gemeinschaftsunterausschuss NA 119-07-03-01 AA "Bauteile und Produkte für Bohrtechnik und Brunnenbau" ("Components and products for drilling technology and well construction") at DIN Standards Committee Water Practice (NAW).