90.93 Standard confirmed Aug 31, 2010
CEN
CEN/TC 187 Refractory products and materials
European Norm
81.080 Refractories
ISO 10081-1:2003 specifies the classification and designation of dense shaped refractory products of the alumina-silica series, with the following exceptions: products containing more than 5 % of any metallic oxide other than alumina, silica, iron oxide; and products containing more than 1 % carbon, carbides, nitrides, oxynitrides or any associated materials.
WITHDRAWN
EN 12475-1:1998
PUBLISHED
EN ISO 10081-1:2005
90.93
Standard confirmed
Aug 31, 2010