1994-03-01

A Compatibility Study of Mixtures of a Monoacid/Dibasic Acid Coolant and a Traditional Nitrite-Free Coolant 940769

Mixtures of a novel corrosion inhibitor, based on the synergistic combination of aliphatic mono- and dibasic acids with a traditional coolant have been evaluated in:
a stability test
an electrochemical test
the ASTM D 1384 Glassware Corrosion Test
the ASTM D 4340 Aluminum Heat-Rejection Test
a Dynamic Heat-Transfer Test.
This paper discusses the results of these tests and the relevance of the tests in assessing the performance of the coolant mixtures. Recommendations are made to the selection of methods that provide significant information on coolant compatibility.

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