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Standard Test Method for Pour Point of Petroleum Products (Automatic Air Pressure Method)
Automaticky preložený názov:
Štandardná skúšobná metóda pre Bod tuhnutia ropných produktov (Automatic Air tlakovou metódou)
NORMA vydaná dňa 1.11.2012
Označenie normy: ASTM D6749-02(2012)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.11.2012
Kód tovaru: NS-36369
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
automatic air pressure method, petroleum products, pour point, ICS Number Code 75.080 (Petroleum products in general)
Significance and Use | ||||||||
5.1 The pour point of a petroleum product is an index of the lowest temperature of its utility for certain applications. Flow characteristics, like pour point, can be critical for the correct operation of lubricating systems, fuel systems, and pipeline operations. 5.2 Petroleum blending operations require precise measurement of the pour point. 5.3 Test results from this test method can be determined at either 1 or 3°C intervals. 5.4 This test method yields a pour point in a format similar to Test Method D97/IP 15 when the 3°C interval results are reported. However, when specification requires Test Method D97/IP 15, do not substitute this test method. 5.5 This test method has better
repeatability and reproducibility relative to Test Method D97/IP 15
as measured in the 1998 interlaboratory test program (see Section
1.1 This test method covers the
determination of pour point of petroleum products by an automatic
apparatus that applies a slightly positive air pressure onto the
specimen surface while the specimen is being cooled.
1.2 This test method is designed to cover the range of temperatures from −57 to +51°C; however, the range of temperatures included in the (1998) interlaboratory test program only covered the temperature range from −51 to −11°C. 1.3 Test results from this test method can be determined at either 1 or 3°C testing intervals. 1.4 This test method is not intended for use with crude oils. 1.5 The values stated in SI units
are to be regarded as standard. No other units of measurement are
included in this standard.
1.6 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. |
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2. Referenced Documents | ||||||||
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