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AquaVantage® Passivation

Aqueous Citric Acid Passivation Chemistry for Stainless-Steel

Brulin AquaVantage Passivation chemistry in 55 Gallon and 5 Gallon Containers
SKU: 304039
  • Conforms to AMS 2700 Method 2, ASTM 380 & ASTM 967
  • Compatible with a wide range of stainless-steel alloys
  • Fast-acting (effective in as little as 4 minutes)
  • Highly dilutable formula
  • Effective in a wide range of bath temperatures

AquaVantage® Passivation is a dilutable citric acid formulation specifically developed for the passivation of stainless steel parts. AquaVantage® Passivation conforms to multiple aerospace specifications and is specifically formulated for use in the Space, Aerospace, and Medical manufacturing industries.

This product has been designed to be used in conjunction with Brulin brand immersion or ultrasonic detergents.

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Technical & Safety Data Sheets

Material Compatibility

AquaVantage® Passivation is suitable for use on a wide variety of alloys. Some selected categories of materials compatible with AquaVantage® Passivation include*:

Corrosion resistant steel alloys including: Austenitic • Ferritic • Free Machining • Precipitated Hardened • Martensitic grades. This includes typical grades of 303, 304, 308, 311, 316, 17-4, and 420, among others.

For complete list see table 4 in AMS 2700.

* Material compatibility should always be confirmed via testing with specific contaminants under specific cleaning conditions.

Use Recommendations

  • Cleaning System: Immersion or Ultrasonic
  • Dilution: 4.0 – 10.0% WT/WT (4.05% – 10.12% VOL/VOL)
  • Cleaning Temperature Range: 70° – 160°F (21° – 71°C)

Rinse Instructions

Thoroughly rinse parts immediately after removal from the passivation solution. Final rinse should be carried out in clean water.

Rinse Water Quality

Use of de-ionized water for the rinse is recommended.

Post-Passivation Inspection

Once passivating is finished, and the parts are rinsed and dried, they should be completely free of surface defects. Pitting, etching, hazing and staining would all be indicative of the possible presence of free iron. Post-passivation, parts can be tested for free iron as required by the specifications or purchaser to verify passivation success.

Approvals & Conformance

See Test Compliance

Test Compliance

  • AMS 2700
  • ASTM 380
  • ASTM 967

Typical Specifications

Physical Form Liquid
Color Clear/Slight Yellow
Fragrance None
Typical Dilution 4-10%
Working pH <1
Container Options 275 Gal Tote, 5 Gal, 55 Gal
Viscosity Water-Thin (~20 CPS)
Flash Point (PMCC) None To Boiling
Foaming Tendency None
Container Options 275 Gal Tote, 5 Gal, 55 Gal
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