ČSN EN 17978
Výrobky používané pro úpravu vody určené k lidské spotřebě a vody v plaveckých bazénech - Skleněné kuličky a skleněný granulát

ČSN EN 17978

This document is applicable to glass beads and glass granulate intended for treatment of water for human consumption, swimming pool and/or spa water. It solely describes the characteristics of glass beads and glass granulate and specifies the requirements and the corresponding test methods for glass beads and glass granulate.
General information on glass beads and glass granulate and general rules relating to safety is provided in Annex A.