BS EN 12373-4:1999 Aluminium and aluminium alloys - Anodizing - Estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment
Comparison with chart of colored spots of two dyes.
BS EN 12373-4:1999 history
2010BS EN ISO 2143:2010 Anodizing of aluminium and its alloys. Estimation of loss of absorptive power of anodic oxidation coatings after sealing. Dye-spot test with prior acid treatment CD-ROM
1999BS EN 12373-4:1998 Aluminium and aluminium alloys - Anodizing - Estimation of loss of absorptive power of anodic oxidation coatings after sealing by dye spot test with prior acid treatment