EN 12373-6-1998 铝和铝合金.阳极氧化.第6部分:通过测量事发未经酸处理的磷酸/铬酸中浸泡后的质量损失评定封闭阳极氧化膜;已批准的欧洲文本
Aluminium and Aluminium Alloys - Anodizing - Part 6: Assessment of Quality of Sealed Anodic Oxidation Coatings by Measurement of the Loss of Mass After Immersion in Phosphoric Acid/Chromic Acid Solution without Prior Acid Treatment Ratified European Text