® corrosion data

WINTREX®
ETHYLENE GLYCOL BASE HYDRONIC HEAT TRANSFER FLUID

Comparative Corrosion Test Data - Using ASTM D1384 Text Method
WINTREX®,1 Boston Tap Water2 Ethylene Glycol
Technical Grade2
* ** * ** * **
Copper -4 0.2 -10 0.4 -6 0.2
Solder -6 0.2 -140 5.6 -350 14.5
Brass -6 0.2 -10 0.4 -12 0.5
Steel -5 0.2 -300 14.7 -400 19.5
Cast Iron +3 0.0 -570 24.1 -300 12.7
Aluminum -3 0.4 -34 4.0 -120 14.2
  1. Data shown for WINTREX® are an average of many tests.  Houghton Chemical Hydonic Fluid test data shown are typical, not varying significantly from test to test, indicating uniform and effective corrosion protection

  2. Data shown for tap water and ethylene glycol (technical grade) are averages of several test observations.  Actual data varies dramatically from test to test and are always indicative of high corrosion rates.

    *  Losses shown are in milligrams per test coupon

   **  Loss expressed in mills per year thickness of metal, approximate

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