ASTM D1384 & D8040 & D8485

The ASTM D1384, ASTM D8040, ASTM D8485 and SH/T0085 test methods covers a simple beaker-type procedure for evaluating the effects of engine coolants, heat transfer fluids or EV coolants on metal specimens under controlled laboratory conditions. In the test method, specimens of metals typical of those present in engine coolant solutions, heat transfer fluids or EV coolants are totally immersed in aerated engine coolant solutions or heat transfer fluids for 336 hours at 88°C (190°F). The corrosion-inhibitive properties of the test solution are evaluated on the basis of the weight changes incurred by the specimens. These test methods will generally distinguish between coolants and heat transfer fluids that are definitely deleterious from the corrosion standpoint and those that are suitable for further evaluation.

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