See  also:  mercy cool 2601 | mercycide 2820 | Mercycide 2810


Closed System Corrosion Inhibitor


Description & Use


  • Concentrated liquid blend of alkaline additive and nitrite.
  • Ideal for use in closed recalculating water cooling systems, as well as other closed heating systems.
  • Can be used with anti-freeze.
  • Reduces cavitation and erosion.
  • Convenient for use with a wide variety of metals including iron and steels, copper, bronze and brass, but not recommended when aluminum metal is available.
  • Very cheap cost program.
  • An easily handled liquid formulation, suitable for manual or automatic dosing.




  • Appearance                : Clear, pale liquid.
  • Specific Gravity           : 1.22 - 1.27.
  • Solubility in Water        : Complete.
  • pH @ 25 oC                  : >11.2.
  • Flash Point                   : Non-flammable.

(All values approximate)


Dosage, Feeding & Control


Mercy Cool 2100 is normally fed to supply a corrosion protection for closed cooling and heating  systems.

A reserve of 800-1000 ppm of nitrite is suitable to keep the pipe network safe from any possibility of corrosion while the pH value should be >8.5.

Mercy Cool 2100 can be dosed by a separate dosing pot or manually to the expansion tank by a rate of 3 - 3.5 kg/m3 of system volume.

Mercy Cool 2100 provides effective protection for iron and steel, brass, copper, and many other metals which are present in such sytems.




Mercy Cool 2100 is packaged in 32 kg and 256 kg plastic drums.


Safety & Handling


Mercy Cool 2100 is an oxidizing agent and should be stored a way form any flammable materials.

This product should be handled with care.

Skin and eye contact should be avoided.