DS EN 4704:2012
DS EN 4704:2012 Aerospace Series - Tartaric-Sulphuric-Acid Anodizing Of Aluminium And Aluminium Wrought Alloys For Corrosion Protection And Paint Pre-Treatment (Tsa) Specifies the requirement for Tartaric-Sulphuric-Acid (TSA) anodizing of aluminium and wrought alloys for corrosion protection and paint pre-treatment.