Cortec VpCI 649 liquid protect ferrous and non-ferrous metals from corrosive solutions

649 pail 2


  • VpCI-649 is a unique concentrated liquid formulation that protects ferrous and non-ferrous metals from corrosive solutions
  • In addition, this product is designed to provide long-term protection in fresh water and glycol closed loop systems
  • VpCI-649 is effective as a replacement for nitrite, bromate, and/or chromate-based formulations
  • VpCI-649 combines contact and volatile corrosion inhibitors along with anti-scalants in non-toxic formulation that does not contain nitrites, phosphates, chromates, or heavy metals
  • This product helps solve the problem of disposal, particularly for large quantities of water
  • VpCI-649 is also available in a cold weather version for the convenience of storage in cold temperatures



  • Effective for a broad range of applications to stop aggressive corrosion in systems containing fresh water, glycol coolants, etc.
  • Environmentally friendly and nitrite-free
  • Low concentration effectiveness provides economical treatment
  • Vapor phase action provides protection to areas that contact inhibitors cannot reach
  • Contains an acrylic polymer to prevent scale formation
  • Readily water-soluble liquid for easy application
  • Multimetal protection
  • Effective in low dosages
  • Does not contain free amines



  • Inhibitor for closed loop cooling systems
  • Fire extinguishing systems
  • Inhibitor for hydrostatic testing of pipelines, casings, tanks, and valves
  • Inhibitor for packer fluid applications
  • Prevents water-bottom corrosion in oil storage tanks
  • Alkanolamine sweeteners
  • Pulp and paper process equipment
  • Mines, mining, and earth moving equipment
  • Inhibitor for lay-up application of cooling towers



  • Closed loop operational systems start at 2,500-3,000 ppm (0.25-0.3 wt.%)
  • For seasonal wet lay-up application (up to 6 months) use VpCI-649 at a concentration of 0.5 wt.% of inhibitor by volume
  • For hydrotest and drain applications contact Cortec for dosage information
  • For systems already using Molybdate, please use VpCI- 649 OF which does not contain tracer



  • VpCI-649 is available in:
    • 5 gallon (19 liter) pails
    • 55 gallon (208 liter) drums, liquid totes, and bulk


  • The product should be stored in tightly closed containers. Shelf life is 18 months.


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