VpCI®-644 (5 Gal)


VpCI-644 is an additive that protects ferrous and nonferrous metals from corrosion induced by waters containing inorganic salts, including chlorides. As a concentrated formulation, VpCI-644 offers low dosage effectiveness as a treatment for a wide variety of marine and process applications requiring economical corrosion inhibition for fresh water, salt water, and brine solutions. VpCI-644 contains organic ingredients and has strong film persistency abilities. VpCI-644 is effective as a replacement for formulations containing nitrites, phosphates, chromates or other heavy metals.

For 55 Gallon Drum Pricing, contact USI direct at 248.735.7000

SKU: 444.13600973 Categories: , ,



Cooling/Heating Systems, Hydrotesting with Seawater:
Add VpCI-644 at a concentration level of 0.2-0.3% by weight to brine, containing up to 5% of chlorides and other aggressive inorganic salts. Protection in liquid and vapor phases is greater than 95%.


  • Prevents corrosion from fresh and salt water, brine, chloride, and other dissolved halogens of ferrous and non-ferrous metals.
  • Nitrite/chromate/zinc/phosphate-free.
  • Low concentration effectiveness provides economical treatment.
  • Residual protection after hydrotest solution is drained out is 1 to 2 months.
  • Effective in temperatures up to 200ºF (98ºC) in liquid and vapor phases.

For 55 Gallon Drum Pricing, contact USI direct at 248.735.7000

Additional information

Weight 35 lbs


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