1.1 This test method covers the prediction of the borderline pumping temperature (BPT) of engine oils through the use of a 16-h cooling cycle over the temperature range from 0 to -40°C.1.2 Applicability to petroleum products other than engi
ASTM
Standard Test Method for Predicting the Borderline Pumping Temperature of Engine Oil
STD-48630
2002
2002-11-10
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