Zinc Anode 620 Datasheet File
To ensure active potential and prevent passivation, the Type 620 alloy must contain specific trace elements. Impurities like iron and copper are strictly limited to prevent the formation of a passive oxide film.
: Requires abrasive blast cleaning to a minimum standard of Sa 2½ (ISO 8501-1) with a surface profile of 50–75 microns. Drying Times (at 25°C): Touch Dry : 20 minutes. Hard Dry : 6 hours. Overcoating Interval : Minimum 12 hours. Pot Life : 8 hours. Restrictions & Safety zinc anode 620 datasheet