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 specifies a method for determining the energy of rupture by impact of natural stones. The standard contains provision for both an identification test and a technological test (for FPC of finished products).
PUBLISHED
EN 14158:2004
90.20
Standard under periodical review
Jul 15, 2024