90.93 Standard confirmed Mar 18, 2026
CEN
CEN/TC 187 Refractory products and materials
European Norm
81.080 Refractories
This European Standard specifies a classification of shaped insulating refractory products, based on the determintaion of permanent change in dimension on heating, with a secondary classification based on bulk density to cover lightweight products (Class L). Products composed of ceramic fibres are excluded.
PUBLISHED
EN 1094-2:1998
90.93
Standard confirmed
Mar 18, 2026