90.20 Standard under periodical review Jul 15, 2024
CEN
CEN/TC 246 Natural stones
European Norm
73.020 Mining and quarrying | 91.100.15 Mineral materials and products
This European Standard defines methods to determine the fundamental resonance frequency of natural stone and the calculation of the dynamic modulus of elasticity.
Legislation related to this standard
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
PUBLISHED
EN 14146:2004
90.20
Standard under periodical review
Jul 15, 2024