Five Star Acid #5 Conc. Nitric/Phosphoric Blend --- 1 Gallon
Acid Cleaner # 5 is great to Passivates and Brightens Stainless Steel
Initial Acid Passivation: After cleaning vessel with alkali cleaner use 5 ounces of ACID CLEANER #5 per
gallon of water. Circulate for 20 minutes at 120°F. Drain vessel and ALLOW TO AIR DRY. The vessel must air
dry to achieve successful passivation. (Before using vessel, it is required to rinse with potable water and
sanitize according to public health standards.)
Re-passivation: Use 1 oz. per gallon of water and circulate for 30 minutes at 120°F. ALLOW TO AIR DRY.
(Before using vessel, it is required to rinse with potable water and sanitize according to public health
standards.)
Note: Sensitive alloys may require milder concentrations.
Tech sheet and instructions
http://www.fivestarchemicals.com/tech/acid5.pdf
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