ASTM D6751-23a
(Specification)Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels
Standard Specification for Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels
ABSTRACT
This specification covers biodiesel fuel blend stock, B100, in Grades S15 and S500 for use as a blend component with middle distillate fuels. This specification prescribes the required properties of diesel fuels at the time and place of delivery. The requirements stated here may be applied at other points in the production and distribution system when provided by agreement between the purchaser and the supplier. The biodiesel specified shall be mono-alkyl esters of long chain fatty acids derived from vegetable oils and animal fats. The product shall undergo chemical analysis for flash point, methanol, water and sediment, kinematic viscosity, sulfated ash, oxidation stability, sulfur, copper strip corrosion, cetane number, cloud point, acid number, carbon residue, total and free glycerin, phosphorus, reduce pressure distillation temperature, atmospheric equivalent temperature, combined calcium and magnesium, and combined sodium and magnesium.
SCOPE
1.1 This specification covers six grades of biodiesel (B100) for use as a blend component with middle distillate fuels. These grades are described as follows:
1.1.1 Grade No. 1-B S15—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which can be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature operability, and also requiring a fuel blend component with 15 ppm sulfur (maximum).
1.1.2 Grade No. 1-B S15 LM—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which can be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature operability, and also requiring a fuel blend component with 15 ppm sulfur (maximum) and combined sodium, potassium, calcium, and magnesium of 4 ppm (maximum). LM indicates Low Metals suitable for diesel engine applications with modern exhaust aftertreatment.
1.1.3 Grade No. 1-B S500—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which can be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature operability, and also requiring a fuel blend component with 500 ppm sulfur (maximum).
1.1.4 Grade No. 2-B S15—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that require a fuel blend component with 15 ppm sulfur (maximum).
1.1.5 Grade No. 2-B S15 LM—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that require a fuel blend component with 15 ppm sulfur (maximum) and combined sodium, potassium, calcium, and magnesium of 4 ppm (maximum). LM indicates Low Metals suitable for diesel engine applications with modern exhaust aftertreatment.
1.1.6 Grade No. 2-B S500—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that require a fuel blend component with 500 ppm sulfur (maximum).
1.2 This specification prescribes the required properties of diesel fuels at the time and place of delivery. The specification requirements may be applied at other points in the production and distribution system when provided by agreement between the purchaser and the supplier.
1.3 Nothing in this specification shall preclude observance of federal, state, or local regulations which may be more restrictive.
Note 1: The generation and dissipation of static electricity can create problems in the handling of distillate fuel oils with which biodiesel may be blended. 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.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on...
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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: D6751 − 23a
Standard Specification for
1
Biodiesel Fuel Blendstock (B100) for Middle Distillate Fuels
This standard is issued under the fixed designation D6751; 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* 1.1.6 Grade No. 2-B S500—A general purpose biodiesel
blendstock intended for use in middle distillate fuel applica-
1.1 This specification covers six grades of biodiesel (B100)
tions that require a fuel blend component with 500 ppm sulfur
for use as a blend component with middle distillate fuels. These
(maximum).
grades are described as follows:
1.2 This specification prescribes the required properties of
1.1.1 Grade No. 1-B S15—A special purpose biodiesel
diesel fuels at the time and place of delivery. The specification
blendstock intended for use in middle distillate fuel applica-
requirements may be applied at other points in the production
tions which can be sensitive to the presence of partially reacted
and distribution system when provided by agreement between
glycerides, including those applications requiring good low
the purchaser and the supplier.
temperature operability, and also requiring a fuel blend com-
ponent with 15 ppm sulfur (maximum).
1.3 Nothing in this specification shall preclude observance
1.1.2 Grade No. 1-B S15 LM—A special purpose biodiesel of federal, state, or local regulations which may be more
blendstock intended for use in middle distillate fuel applica- restrictive.
NOTE 1—The generation and dissipation of static electricity can create
tions which can be sensitive to the presence of partially reacted
problems in the handling of distillate fuel oils with which biodiesel may
glycerides, including those applications requiring good low
be blended. For more information on the subject, see Guide D4865.
temperature operability, and also requiring a fuel blend com-
1.4 The values stated in SI units are to be regarded as
ponent with 15 ppm sulfur (maximum) and combined sodium,
standard. No other units of measurement are included in this
potassium, calcium, and magnesium of 4 ppm (maximum). LM
standard.
indicates Low Metals suitable for diesel engine applications
with modern exhaust aftertreatment.
1.5 This international standard was developed in accor-
1.1.3 Grade No. 1-B S500—A special purpose biodiesel dance with internationally recognized principles on standard-
blendstock intended for use in middle distillate fuel applica- ization established in the Decision on Principles for the
tions which can be sensitive to the presence of partially reacted Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
glycerides, including those applications requiring good low
temperature operability, and also requiring a fuel blend com- Barriers to Trade (TBT) Committee.
ponent with 500 ppm sulfur (maximum).
2. Referenced Documents
1.1.4 Grade No. 2-B S15—A general purpose biodiesel
2
blendstock intended for use in middle distillate fuel applica-
2.1 ASTM Standards:
tions that require a fuel blend component with 15 ppm sulfur
D93 Test Methods for Flash Point by Pensky-Martens
(maximum).
Closed Cup Tester
1.1.5 Grade No. 2-B S15 LM—A general purpose biodiesel D130 Test Method for Corrosiveness to Copper from Petro-
blendstock intended for use in middle distillate fuel applica- leum Products by Copper Strip Test
tions that require a fuel blend component with 15 ppm sulfur
D189 Test Method for Conradson Carbon Residue of Petro-
(maximum) and combined sodium, potassium, calcium, and leum Products
magnesium of 4 ppm (maximum). LM indicates Low Metals D445 Test Method for Kinematic Viscosity of Transparent
suitable for diesel engine applications with modern exhaust and Opaque Liquids (and Calculation of Dynamic Viscos-
aftertreatment. ity)
D524 Test Method for Ramsbottom Carbon Residue of
Petroleum Products
1
This specification is under the jurisdiction of ASTM Committee D02 on
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
2
Subcommittee D02.E0 on Burner, Diesel and Non-Aviation Gas Turbine Fuels. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved April 1, 2023. Published May 2023. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1999 as PS 121 – 99. Adopted as a standard in 2002 as D6751 – 02. Standards volume information, ref
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D6751 − 23 D6751 − 23a
Standard Specification for
Biodiesel Fuel Blend Stock Blendstock (B100) for Middle
1
Distillate Fuels
This standard is issued under the fixed designation D6751; 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*
1.1 This specification covers foursix grades of biodiesel (B100) for use as a blend component with middle distillate fuels. These
grades are described as follows:
1.1.1 Grade No. 1-B S15—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which can
be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature operability,
and also requiring a fuel blend component with 15 ppm sulfur (maximum).
1.1.2 Grade No. 1-B S15 LM—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which
can be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature
operability, and also requiring a fuel blend component with 15 ppm sulfur (maximum) and combined sodium, potassium, calcium,
and magnesium of 4 ppm (maximum). LM indicates Low Metals suitable for diesel engine applications with modern exhaust
aftertreatment.
1.1.3 Grade No. 1-B S500—A special purpose biodiesel blendstock intended for use in middle distillate fuel applications which
can be sensitive to the presence of partially reacted glycerides, including those applications requiring good low temperature
operability, and also requiring a fuel blend component with 500 ppm sulfur (maximum).
1.1.4 Grade No. 2-B S15—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that
require a fuel blend component with 15 ppm sulfur (maximum).
1.1.5 Grade No. 2-B S15 LM—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that
require a fuel blend component with 15 ppm sulfur (maximum) and combined sodium, potassium, calcium, and magnesium of
4 ppm (maximum). LM indicates Low Metals suitable for diesel engine applications with modern exhaust aftertreatment.
1.1.6 Grade No. 2-B S500—A general purpose biodiesel blendstock intended for use in middle distillate fuel applications that
require a fuel blend component with 500 ppm sulfur (maximum).
1.2 This specification prescribes the required properties of diesel fuels at the time and place of delivery. The specification
requirements may be applied at other points in the production and distribution system when provided by agreement between the
purchaser and the supplier.
1.3 Nothing in this specification shall preclude observance of federal, state, or local regulations which may be more restrictive.
1
This specification is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.E0 on Burner, Diesel and Non-Aviation Gas Turbine Fuels.
Current edition approved March 1, 2023April 1, 2023. Published March 2023May 2023. Originally approved in 1999 as PS 121 – 99. Adopted as a standard in 2002 as
D6751 – 02. Last previous edition approved in 20202023 as D6751 – 20a.D6751 – 23. DOI: 10.1520/D6751-23.10.1520/D6751-23A.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D6751 − 23a
NOTE 1—The generation and dissipation of static electricity can create problems in the handling of distillate fuel oils with which biodiesel may be blended.
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.
1.5 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
2
2.1 ASTM Standards:
D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
D130 Test Method
...
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