ISO 20292:2009 Preview
Materials for the production of primary aluminium -- Dense refractory bricks -- Determination of cryolite resistance
This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
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.