PROTECTOR 50

Ready-to-Use, Inhibited, Glycol-Based Heat Exchanger Fluid For Closed Loop Systems

Pre-mixed, ready-to-use, inhibited 50% propylene glycol based heat exchanger fluid for closed loop systems.  Controls corrosion of metals, helps prevent scaling and the fouling of heat transfer surfaces, and buffers the pH to maintain it in the optimum operating range.  Meets ASTM D8039 specification, which is the accepted industry standard for multi-metal corrosion protection for steel, cast iron, aluminum, copper, brass, and solder.  This fluid is compatible with most plastics, elastomers, and types of rubber. 

  • Pink color
  • 9.2 - 10.6 pH
  • 8.75 pounds per gallon
  • Contains 50% Propylene Glycol (W/W)
  • Buffers extend the life of the coolant by resisting fluid oxidation
  • Contains an inhibitor package to provide corrosion protection to system metallurgy
  • Very low vapor pressure minimizes excessive fluid loss, even at high temperatures
  • Provides freeze protection down to -28ºF (-33ºC) and boil protection up to 222ºF (106ºC)
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