90.93 Standard confirmed Dec 31, 2020
ISO
ISO/TC 226 Materials for the production of primary aluminium
International Standard
71.100.10 Materials for aluminium production | 71.060.50 Salts
ISO 20292:2009 covers materials for the production of primary aluminium.
ISO 20292:2009 specifies a method for the determination of the resistance of dense refractory bricks to cryolite melt with excess sodium fluoride.
PUBLISHED
ISO 20292:2009
90.93
Standard confirmed
Dec 31, 2020