Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance
原铝生产材料——致密耐火砖——冰晶石抗性的测定
发布日期:
2009-04-29
ISO 20292:2009涵盖了生产原铝的材料。
ISO 20292:2009规定了一种测定致密耐火砖对含有过量氟化钠的冰晶石熔融的耐受性的方法。
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.