标准摘要
[中文适用范围]： 本国际标准适用于原铝生产材料。本国际标准规定了测定致密耐火砖对含过量氟化钠的冰晶石熔体抵抗性的方法。 [外文原描述]： 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.
英文名称Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance