Standard Historical Last Updated: Apr 27, 2015 Track Document
ASTM D5772-10

Standard Test Method for Cloud Point of Petroleum Products (Linear Cooling Rate Method)

Standard Test Method for Cloud Point of Petroleum Products (Linear Cooling Rate Method) D5772-10 ASTM|D5772-10|en-US Standard Test Method for Cloud Point of Petroleum Products (Linear Cooling Rate Method) Standard new BOS Vol. 05.02 Committee D02
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Significance and Use

For petroleum products and diesel fuels, the cloud point is an index of the lowest temperature of its utility for certain applications. Wax crystals of sufficient quantity can plug filters used in some fuel systems.

Petroleum blending operations require precise measurement of the cloud point.

This test method can determine the temperature of the test specimen at which wax crystals have formed sufficiently to be observed as a cloud, with a resolution of 0.1°C.

This test method provides results that when rounded to the next lower integer are equivalent to Test Method D2500.

This test method is more precise than Test Method D2500.

Scope

1.1 This test method covers the description of the determination of the cloud point of petroleum products and biodiesel fuels that are transparent in layers 40 mm in thickness by an automatic instrument using a linear cooling rate.

1.2 This test method covers the range of temperatures from 60 to 49°C with temperature resolution of 0.1°C, however, the range of temperatures included in the 1997 interlaboratory cooperative test program only covered the temperature range of 56 to +34°C.

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

1.4 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.

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Details
Book of Standards Volume: 05.02
Developed by Subcommittee: D02.07
Pages: 7
DOI: 10.1520/D5772-10
ICS Code: 75.080