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ASTM D8434-21

(Specification)

Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic Additive

Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic Additive

SCOPE
1.1 This specification covers formulating specifications for purchases of an unleaded aviation gasoline test fuel under contract and is intended solely for use by purchasing agencies for testing purposes.  
1.2 This specification defines a specific type of aviation gasoline for use as an aviation spark-ignition engine test fuel. It does not include all gasolines satisfactory for reciprocating aviation engines. Certain equipment or conditions of use may permit a wider, or require a narrower, range of characteristics than is shown by this specification.  
1.3 The unleaded aviation gasoline test fuel defined by this specification does exhibit similar octane performance to those leaded fuels with which the existing aircraft and ground-based fuel handling equipment have been designed to operate.  
1.4 Issuance of this specification does not constitute approval to operate certificated aircraft with this test fuel. Fuels used in certified engines and aircraft are ultimately approved by the certifying authority subsequent to formal submission of evidence to the authority as part of a certification program.  
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 specification, unless otherwise provided, prescribes the required properties of unleaded aviation gasoline test fuel at the time and place of delivery.  
1.7 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.  
1.8 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.

General Information

Status
Published
Publication Date
30-Nov-2021
ICS
75.160.20 - Liquid fuels
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.J0.02 - Aviation Piston Engine Fuels
Current Stage
Ref Project

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ASTM D8434-21 - Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic AdditiveASTM D8434-21 - Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic Additive
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ASTM D8434-21 - Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic Additive
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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.
Designation:D8434 −21
Standard Specification for
Unleaded Aviation Gasoline Test Fuel Containing Organo-
1
metallic Additive
This standard is issued under the fixed designation D8434; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
1.1 This specification covers formulating specifications for
purchases of an unleaded aviation gasoline test fuel under
2. Referenced Documents
contract and is intended solely for use by purchasing agencies
2
2.1 ASTM Standards:
for testing purposes.
D86 Test Method for Distillation of Petroleum Products and
1.2 This specification defines a specific type of aviation
Liquid Fuels at Atmospheric Pressure
gasoline for use as an aviation spark-ignition engine test fuel.
D130 Test Method for Corrosiveness to Copper from Petro-
It does not include all gasolines satisfactory for reciprocating
leum Products by Copper Strip Test
aviation engines. Certain equipment or conditions of use may
D323 TestMethodforVaporPressureofPetroleumProducts
permit a wider, or require a narrower, range of characteristics
(Reid Method)
than is shown by this specification.
D357 Method of Test for Knock Characteristics of Motor
Fuels Below 100 Octane Number by the Motor Method;
1.3 The unleaded aviation gasoline test fuel defined by this
3
Replaced by D 2700 (Withdrawn 1969)
specification does exhibit similar octane performance to those
D381 Test Method for Gum Content in Fuels by Jet Evapo-
leaded fuels with which the existing aircraft and ground-based
ration
fuel handling equipment have been designed to operate.
D614 Method of Test for Knock Characteristics of Aviation
1.4 Issuance of this specification does not constitute ap-
Fuels by the Aviation Method; Replaced by D 2700
proval to operate certificated aircraft with this test fuel. Fuels
3
(Withdrawn 1970)
used in certified engines and aircraft are ultimately approved
D873 Test Method for Oxidation Stability of Aviation Fuels
by the certifying authority subsequent to formal submission of
(Potential Residue Method)
evidence to the authority as part of a certification program.
D909 Test Method for Supercharge Rating of Spark-Ignition
1.5 The values stated in SI units are to be regarded as
Aviation Gasoline
standard. No other units of measurement are included in this
D910 Specification for Leaded Aviation Gasolines
standard.
D1094 Test Method for Water Reaction of Aviation Fuels
D1298 Test Method for Density, Relative Density, or API
1.6 Thisspecification,unlessotherwiseprovided,prescribes
Gravity of Crude Petroleum and Liquid Petroleum Prod-
therequiredpropertiesofunleadedaviationgasolinetestfuelat
ucts by Hydrometer Method
the time and place of delivery.
D1948 Method of Test for Knock Characteristics of Motor
1.7 This standard does not purport to address all of the
Fuels Above 100 Octane Number by the Motor Method;
safety concerns, if any, associated with its use. It is the
3
Replaced by D 2700 (Withdrawn 1968)
responsibility of the user of this standard to establish appro-
D2386 Test Method for Freezing Point of Aviation Fuels
priate safety, health, and environmental practices and deter-
D2392 Test Method for Color of Dyed Aviation Gasolines
mine the applicability of regulatory limitations prior to use.
D2622 Test Method for Sulfur in Petroleum Products by
1.8 This international standard was developed in accor-
Wavelength Dispersive X-ray Fluorescence Spectrometry
dance with internationally recognized principles on standard-
D2624 Test Methods for Electrical Conductivity ofAviation
ization established in the Decision on Principles for the
and Distillate Fuels
Development of International Standards, Guides and Recom-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This specification is under the jurisdiction of ASTM Committee D02 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Standards volume information, refer to the standard’s Document Summary page on
Subcommittee D02.J0.02 on Aviation Piston Engine Fuels. the ASTM website.
3
Current edition approved Dec. 1, 2021. Published March 2022. DOI: 10.1520/ The last approved version of this historical standard is referenced on
D8434-21. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West
...

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This specification describes the various characteristics and requirements of automotive fuels for use over a wide range of operating conditions in ground vehicles equipped with spark-ignition engines. It provides for a variation of the volatility and water tolerance of automotive fuel in accordance with seasonal climatic changes at the locality where the fuel is used. This specification neither necessarily includes all types of fuels that are satisfactory for automotive vehicles, nor necessarily excludes fuels that can perform unsatisfactorily under certain operating conditions or in certain equipment. The spark-ignition engine fuels covered here are gasoline and its blends with oxygenates, such as alcohols and ethers, and not fuels that contain an oxygenate as the primary component, such as fuel methanol (M85). This specification does not address the emission characteristics of reformulated spark-ignition engine fuel. However, in addition to the legal requirements, reformulated spark-ignition engine fuel should meet the performance requirements as well.
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1.1 This specification covers the establishment of requirements of liquid automotive fuels for ground vehicles equipped with spark-ignition engines.  
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SCOPE
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1.1.6 Grade No. 2-D S5000—A general-purpose, middle distillate fuel for use in diesel engine applications requiring a fuel with 5000 ppm sulfur (maximum), especially in conditions of varying speed and load.  
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Note 1: A more detailed description of the grades of diesel fuels is given in X1.2.
Note 2: The Sxxx designation has been adopted to distinguish grades by sulfur rather than using words such as “Low Sulfur” as previously because the number of sulfur grades is growing and the word descriptions were thought to be not precise. S5000 grades correspond to the so-called “regular” sulfur grades, the previous No. 1-D and No. 2-D. S500 grades correspond to the previous “Low Sulfur” grades. S15 grades were not in the previous grade system and are commonly referred to as “Ultra-Low Sulfur” grades or ULSD.  
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ABSTRACT
This specification covers Grade 82 unleaded aviation gasoline for use only in engines and associated aircraft that are specifically approved by the engine and aircraft manufacturers, and certified by the National Certifying Agencies to use this fuel. Aviation gasoline shall consist of blends of refined hydrocarbons derived from crude petroleum, natural gasoline or blends thereof, with specific aliphatic ethers, synthetic hydrocarbons, or aromatic hydrocarbons, and when applicable, methyl tertiarybutyl ether (MTBE). They may also contain antioxidants (oxidation inhibitors), metal deactivators, corrosion inhibitors, and fuel system icing inhibitors. The gasoline shall be tested and conform accordingly to the following property requirements: lean mixture knock value and motor method octane number; color; blue and red dye content; distillation temperature at % evaporated, end point, and residue content; distillation recovery; distillation loss; net heat of combustion; freezing point; vapor pressure; lead content; copper strip corrosion; sulfur content; potential gum; and alcohols and ether content (aliphatic ethers, methanol, and ethanol).
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1.2 A fuel may be certified to meet this specification by a producer as Grade UL82 or UL87 aviation gasoline only if blended from component(s) approved for use in these grades of aviation gasoline by the refiner(s) of such components, because only the refiner(s) can attest to the component source and processing, absence of contamination, and the additives used and their concentrations. Consequently, reclassifying of any other product to Grade UL82 or Grade UL87 aviation gasoline does not meet this specification.  
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SCOPE
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5.1 This guide is intended for the developers or sponsors of new aviation gasolines or additives to describe the data requirements necessary to support the development of specifications for these new products by ASTM members. The ultimate goal of the data generated in accordance with this guide is to provide an understanding of the performance of the new fuel or additive within the property constraints and compositional bounds of the proposed specification criteria.  
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SCOPE
1.1 This guide provides procedures to develop data for use in research reports for new aviation gasolines or new aviation gasoline additives.  
1.2 This data is intended to be used by the ASTM subcommittee to make a determination of the suitability of the fuel for use as an aviation fuel in either a fleet-wide or limited capacity, and to make a determination that the proposed properties and criteria in the associated standard specification provide the necessary controls to ensure this fuel maintains this suitability during high-volume production.  
1.3 These research reports are intended to support the development and issuance of new specifications or specification revisions for these products. Guidance to develop ASTM International standard specifications for aviation gasoline is provided in Subcommittee J on Aviation Fuels Operating Procedures, Annex A6, “Guidelines for the Development and Acceptance of a New Aviation Fuel Specification for Spark-Ignition Reciprocating Engines.”  
1.4 The procedures, tests, selection of materials, engines, and aircraft detailed in this guide are based on industry expertise to give appropriate data for review. Because of the diversity of aviation hardware and potential variation in fuel/additive formulations, not every aspect may be encompassed and further work may be required. Therefore, additional data beyond that described in this guide may be requested by the ASTM task force, Subcommittee J, or Committee D02 upon review of the specific composition, performance, or other characteristics of the candidate fuel or additive.  
1.5 While it is beyond the scope of this guide, investigation of the future health and environmental impacts of the new aviation gasoline or new aviation gasoline additive and the requirements of environmental agencies is recommended.  
1.6 The values stated in SI units are to be regarded as standard.  
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This specification covers the material, manufacturing, and specialized property requirements for producing special-purpose aviation distillate test fuels that are intended only for engineering and certification testing of aircraft, engines, and aircraft equipment. It deals with special-purpose test fuels that may be used to evaluate the operability, performance and durability of aviation compression-ignition engines when operating with fuels of marginal performance. Aviation distillate fuel, except as otherwise specified in this specification, shall consist predominantly of refined hydrocarbons derived from conventional sources such as crude oil, natural gas liquid condensates, heavy oil, shale oil, and oil sands. The use of middle distillate fuel blends containing components from other sources is permitted. This specification also lists acceptable additives for aviation distillate special-purpose test fuels. Use of this specification for engineering and certification testing of aircraft is not mandatory. It is directed at civil applications, and maintained as such, but may be adopted for military, government, or other specialized uses.
SCOPE
1.1 This specification is intended to support purchasing agencies when formulating specifications for purchases of aviation distillate fuel under contract.  
1.2 This specification defines specialized property requirements to produce special-purpose aviation distillate test fuels that are intended only for engineering and certification testing of aircraft, engines, and aircraft equipment. Use of this specification for engineering and certification testing of aircraft is not mandatory. Its use is at the discretion of the aircraft manufacturer, engine manufacturer, or certification authorities when determining criteria for validation of aircraft equipment design.  
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1.7.1 Exception—Other units of measurement are included in this standard.  
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ABSTRACT
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SCOPE
1.1 This specification covers the use of purchasing agencies in formulating specifications for purchases of aviation turbine fuel under contract.  
1.2 This specification defines the minimum property requirements for Jet A and Jet A-1 aviation turbine fuel and lists acceptable additives for use in civil and military operated engines and aircraft. Specification D1655 was developed initially for civil applications, but has also been adopted for military aircraft. Guidance information regarding the use of Jet A and Jet A-1 in specialized applications is available in the appendix.  
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Standard Specification for Pyrolysis Liquid Biofuel

ABSTRACT
This specification details the physical and chemical requirements for pyrolysis liquid biofuels produced from biomass that are intended for use in industrial burners equipped to handle these types of fuels. The type of biofuel covered here is not intended for use in residential heaters, small commercial boilers, engines, or marine applications. It shall remain uniform in medium-term storage and shall not separate into layers due to gravity. Properly sampled test specimens shall undergo test procedures to determine their adherence to the following requirements: gross heat of combustion; water content; pyrolysis solids content; kinematic viscosity; density; sulfur content; ash content; pH; flash point; and pour point.
SCOPE
1.1 This specification covers grades of pyrolysis liquid biofuel produced from biomass intended for use in various types of fuel-burning equipment under various climatic and operating conditions. These grades are described as follows:  
1.1.1 Grade G is intended for use in industrial burners equipped to handle the pyrolysis liquid biofuels meeting the requirements listed for Grade G in Table 1. The pyrolysis liquid biofuel listed under Grade G in Table 1 is not intended for use in residential heaters, small commercial boilers, engines, or marine applications.  
1.1.2 Grade D is intended for use in commercial/industrial burners requiring lower solids and ash content and which are equipped to handle the pyrolysis liquid biofuels meeting the requirements listed for Grade D in Table 1. The pyrolysis liquid biofuel listed under Grade D in Table 1 is not intended for use in residential heaters, engines, or marine applications not modified to handle these types of fuels.
Note 1: For information on the significance of the physical, chemical, and performance properties identified in this specification, see Appendix X1.  
1.2 This specification is for use in contracts for the purchase of pyrolysis liquid biofuel and for guidance of consumers of this type of fuel.  
1.3 Nothing in this specification should preclude observance of national or local regulations, which may be more restrictive.
Note 2: The generation and dissipation of static electricity may create problems in the handling of pyrolysis liquid biofuel. For more information on the subject, see Guide D4865.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4.1 Exception—BTU units are included for information only in 3.2.3.1.  
1.5 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.  
1.6 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.

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ASTM
ASTM D3241-23(Test Method)
Standard Test Method for Thermal Oxidation Stability of Aviation Turbine Fuels

SIGNIFICANCE AND USE
5.1 The test results are indicative of fuel performance during gas turbine operation and can be used to assess the level of deposits that form when liquid fuel contacts a heated surface that is at a specified temperature.
SCOPE
1.1 This test method covers the procedure for rating the tendencies of gas turbine fuels to deposit decomposition products within the fuel system.  
1.2 The differential pressure values in mm Hg are defined only in terms of this test method.  
1.3 The deposition values stated in SI units shall be regarded as the referee value.  
1.4 The pressure values stated in SI units are to be regarded as standard. The psi comparison is included for operational safety with certain older instruments that cannot report pressure in SI units.  
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 6.1.1, 7.1, 7.3, 12.1.1, and Annex A6.  
1.7 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.

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