... is produced by molten salt electrolysis method using alumina and cryolite. Products meet the national standard GB/T1196-2002. The appearance ... is produced by molten salt electrolysis method using alumina and cryolite.Appearance: Silvery whiteSurface: clean and smoothModels: Al99.90, Al99.85 ... , Al99.70 , Al99.70A, Al99.60, Al99.50 Factory Hot Sale Aluminium Ingot 99.85% Competitive Price