1.1 This test method covers the determination of the density or relative density of engine coolant concentrates and aqueous engine coolants. 1.2 This test method should not be applied to samples so dark in color that the absence of air bubbles
ASTM
Standard Test Method for Density and Relative Density of Engine Coolant Concentrates and Aqueous Engine Coolants by Digital Density Meter
STD-56183
1996
1996-04-10
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