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ASTM D3829-14

Заменен
Standard Test Method for Predicting the Borderline Pumping Temperature of Engine Oil — 8 стр.
Значение и использование

5.1 Borderline pumping temperature is a measure of the lowest temperature at which an engine oil can be continuously and adequately supplied to the oil pump inlet of an automotive engine.

Область применения

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 °C to −40 °C. The precision is stated for temperatures from –34 °C to –15 °C.

1.2 Applicability to petroleum products other than engine oils has not been determined.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3.1 Exception—This test method uses the SI based unit of milliPascal second (mPa·s) for viscosity, which is equivalent to centipoise (cP).

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

ICS
75.100 Lubricants,. Including mineral oils, fluids for metal working and for temporary protection against corrosion / Смазки, индустриальные масла и связанные с ними продукты. Включая минеральные масла, жидкости для обработки металлов и для временной защиты от коррозии
Сборник ASTM
05.02 Petroleum Products, Liquid Fuels, and Lubricants (II): D3711–D6122 / Нефтепродукты, жидкое топливо и смазочные материалы (II): D3711–D6122
Тематика
Petroleum