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ASTM D2386 - 19
Standard Test Method for Freezing Point of Aviation Fuels
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Significance and Use
4.1 The freezing point of an aviation fuel is the lowest temperature at which the fuel remains free of solid hydrocarbon crystals that can restrict the flow of fuel through filters if present in the fuel system of the aircraft. The temperature of the fuel in the aircraft tank normally falls during flight depending on aircraft speed, altitude, and flight duration. The freezing point of the fuel must always be lower than the minimum operational tank temperature.
4.2 Freezing point is a requirement in Specifications D910 and D1655.
1. Scope
1.1 This test method covers the determination of the temperature below which solid hydrocarbon crystals may form in aviation turbine fuels and aviation gasoline. If no crystallization point or freezing point can be measured, this test can be used to report the lowest measurable temperature reached before the crystallization point.
Note 1: The interlaboratory program that generated the precisions for this test method did not include aviation gasoline.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 5.4, Section 6, and 8.3.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D910 Specification for Leaded Aviation Gasolines
D1655 Specification for Aviation Turbine Fuels
D3117 Test Method for Wax Appearance Point of Distillate Fuels
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products
E1 Specification for ASTM Liquid-in-Glass Thermometers
E77 Test Method for Inspection and Verification of Thermometers
ICS Code
ICS Number Code 75.160.20 (Liquid fuels)
UNSPSC Code
UNSPSC Code 15101504(Aviation fuel)
Referencing This Standard
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DOI: 10.1520/D2386-19
Citation Format
ASTM D2386-19, Standard Test Method for Freezing Point of Aviation Fuels, ASTM International, West Conshohocken, PA, 2019, www.astm.org
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