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ASTM D7714-11

(Specification)

Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service

Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service

ABSTRACT
This specification covers the requirements for glycerin base engine coolants used in automobiles or other light duty service cooling systems. The requirements for engine coolant concentrates, prediluted glycerin base engine coolants, glycerin base coolant concentrates, and coolant concentrates include colour, effect on non-metals, relative density, and corrosion in glassware.
SCOPE
1.1 This specification covers the requirements for glycerin base engine coolants used in automobiles or other light duty service cooling systems. When concentrates are used at 50 to 60 % concentration by volume in water, or when prediluted glycerin base engine coolants (50 volume % minimum) are used without further dilution, they will function effectively to provide protection against freezing, boiling, and corrosion.
1.2 The coolants governed by this specification are categorized as follows: Coolant TypeDescription IGlycerin base concentrate IIGlycerin predilute (50 to 60 volume %)
Note 1—This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients that comply with Specification D7640.
1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
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. See X1.5 for specific caution statement.
Note 2—This specification applies to automobiles and light duty service. A glycerin based specification for heavy duty engine service is under development.

General Information

Status
Historical
Publication Date
30-Sep-2011
ICS
71.100.45 - Refrigerants and antifreezes
Technical Committee
D15 - Engine Coolants and Related Fluids
Drafting Committee
D15.07 - Specifications
Current Stage
Ref Project

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ASTM D7714-11 - Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty ServiceASTM D7714-11 - Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service
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ASTM D7714-11 - Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D7714 −11
StandardSpecification for
Glycerin Base Engine Coolant for Automobile and Light-
1
Duty Service
This standard is issued under the fixed designation D7714; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D1119Test Method for Percent Ash Content of Engine
Coolants
1.1 This specification covers the requirements for glycerin
D1120Test Method for Boiling Point of Engine Coolants
base engine coolants used in automobiles or other light duty
D1121Test Method for ReserveAlkalinity of Engine Cool-
service cooling systems. When concentrates are used at 50 to
ants and Antirusts
60 % concentration by volume in water, or when prediluted
D1122Test Method for Density or Relative Density of
glycerin base engine coolants (50 volume % minimum) are
EngineCoolantConcentratesandEngineCoolantsByThe
used without further dilution, they will function effectively to
provide protection against freezing, boiling, and corrosion.
Hydrometer
D1123Test Methods for Water in Engine Coolant Concen-
1.2 The coolants governed by this specification are catego-
trate by the Karl Fischer Reagent Method
rized as follows:
D1126Test Method for Hardness in Water
Coolant Type Description
I Glycerin base concentrate D1177Test Method for Freezing Point of Aqueous Engine
II Glycerin predilute (50 to 60 volume
Coolants
%)
D1287TestMethodforpHofEngineCoolantsandAntirusts
NOTE 1—This specification is based on the knowledge of the perfor-
D1293Test Methods for pH of Water
mance of engine coolants prepared from new or virgin ingredients that
D1384Test Method for Corrosion Test for Engine Coolants
comply with Specification D7640.
in Glassware
1.3 The values stated in SI units are to be regarded as the
D1881Test Method for Foaming Tendencies of Engine
standard. The values in parentheses are for information only.
Coolants in Glassware
1.4 This standard does not purport to address all of the
D1882Test Method for Effect of Cooling System Chemical
safety concerns, if any, associated with its use. It is the
Solutions on Organic Finishes for Automotive Vehicles
responsibility of the user of this standard to establish appro-
D2570TestMethodforSimulatedServiceCorrosionTesting
priate safety and health practices and determine the applica-
of Engine Coolants
bility of regulatory limitations prior to use. See X1.5 for
D2809Test Method for Cavitation Corrosion and Erosion-
specific caution statement.
Corrosion Characteristics of Aluminum Pumps With En-
NOTE 2—This specification applies to automobiles and light duty
gine Coolants
service. A glycerin based specification for heavy duty engine service is
under development.
D3321Test Method for Use of the Refractometer for Field
Test Determination of the Freezing Point of Aqueous
2. Referenced Documents
Engine Coolants
2
2.1 ASTM Standards: D3634Test Method for Trace Chloride Ion in Engine Cool-
D512Test Methods for Chloride Ion In Water ants
D516Test Method for Sulfate Ion in Water
D4327Test Method forAnions in Water by Suppressed Ion
Chromatography
D4340Test Method for Corrosion of CastAluminumAlloys
1
ThisspecificationisunderthejurisdictionofASTMCommitteeD15onEngine in Engine Coolants Under Heat-Rejecting Conditions
Coolants and Related Fluids and is the direct responsibility of Subcommittee
D4725Terminology for Engine Coolants
D15.07 on Specifications.
D5827Test Method for Analysis of Engine Coolant for
Current edition approved Oct. 1, 2011. Published October 2011. DOI: 10.1520/
D7714-11. Chloride and Other Anions by Ion Chromatography
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
D5931Test Method for Density and Relative Density of
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Engine Coolant Concentrates and Aqueous Engine Cool-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. ants by Digital Density Meter
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7714−11
D6130Test Method for Determination of Silicon and Other
Specific ASTM
Property
Values Test Method
Elements in Engine Coolant by Inductively Coupled
Chlorides, µg/g (ppm, 25 (1.5) max D5827, D512, D4327
Plasma-Atomic Emission Spectroscopy
grains/gal)
D6660Test Method for Freezing Point ofAqueous Ethylene
Sulfate, µg/g (ppm, 50 (3.0) max D5827, D516, D4327
grains/gal)
Glycol Base Engine Coolants by Automatic Phase Tran-
Hardness, as CaCO , 20 (1.2) max D6130, D1126
3
sition Method
µg/g
D7640Specification for Engine
...

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This specification covers the requirements for low silicate ethylene glycol base engine coolants for cooling systems of heavy-duty engines. Such engines are typically used in off-highway machinery for agriculture, mining, earth-moving, and construction; Class 5 to 8 over the road trucks and buses; high output stationary engine installations; and locomotive and marine installations. Prediluted coolants shall be prepared using deionized Ethylene glycol base engine coolant concentrates or prediluted ethylene glycol base engine coolants shall be formulated with ethylene glycol. The coolants shall conform to the prescribed physical, chemical, and performance requirements, which include relative density, freezing point, boiling point, ash content, pH, reserve alkalinity, water content, chloride ion content, silicon content, corrosion in glassware, simulated service test, foaming, and cavitation. The color and effect of nonmetals of the coolant shall be evaluated. Prediluted coolant shall also meet the required content of sulfate and iron. Its CaCO3 content shall be tested to determine its hardness.
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1.1 This specification covers the requirements for low silicate ethylene glycol base engine coolants for cooling systems of heavy-duty engines. When concentrates are used at 40 % to 60 % concentration by volume in water, or when prediluted glycol base engine coolants (50 volume % minimum) are used without further dilution, they will function effectively to provide protection against corrosion, freezing to at least −36.4 °C (−33.5 °F), and boiling to at least 108 °C (226 °F).
Note 1: This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients. A separate specification exists (Specification D6210) for heavy-duty engine coolants which may be prepared from recycled or reprocessed used coolant or reprocessed industrial-source ethylene glycol.  
1.2 Coolants meeting this specification require an initial charge of a supplemental coolant additive (SCA) and require regular maintenance doses of an SCA to continue the protection in certain operating heavy-duty engine cooling systems, particularly those of the wet cylinder liner-in-block design. The SCA additions are defined by and are the primary responsibility of the engine manufacturer or vehicle manufacturer. If they provide no instructions, follow the SCA supplier's recommended instructions.  
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Note 1: This specification is based on the knowledge of the performance of heat transfer fluids prepared from new or virgin ingredients. This specification shall also apply to heat transfer fluids prepared using materials generated from recycled or reprocessed ingredients, provided that these ingredients meet the requirements of Specifications E1177 and D7388 for Glycols and Specification D7640 for Glycerin.
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FIG. 1 Metal Specimens and Equipment for the 336 h Corrosion Test
FIG. 2 Tall Form Beaker Specimens and Equipment for the 336 h Corrosion Test
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This specification establishes the testing and requirements of four types of engine coolant grade ethylene glycol and propylene glycol, including virgin glycols and those derived from the recycling of vehicle engine coolants and industrial source glycols. Types EG-1 and PG-1 cover glycols with sufficiently low limits on components to allow a blended coolant to meet most OEM (Original Equipment Manufacturer) specifications. These types will probably be virgin materials, although redistillation could produce a sufficiently pure product. Types EG-2 and PG-2 cover glycol that will be suitable for many coolants, and can either be redistilled or virgin. The commercial products shall be suitably sampled and tested, and shall conform accordingly to specified values of the following physical and chemical properties: clarity; color (Pt/Co scale); relative density; pH by volume in distilled water; acidity as acetic acid; composition by mass of individual glycols (including ethylene glycol, propylene glycol, dipropylene glycol, and others); total composition by mass of all glycols; water content; glycol ester content; and the maximum content for nitrites, nitrates, phosphates, silicon, chloride, sulfate, boron, aluminum, calcium, copper, iron, magnesium, lead, zinc, and iron.
SCOPE
1.1 This specification covers commercial products, engine coolant grade ethylene glycol and propylene glycol, including virgin glycols and those derived from the recycling of vehicle engine coolants and industrial source glycols.  
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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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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Standard Test Method for Freezing Point of Aqueous Engine Coolants

SIGNIFICANCE AND USE
5.1 The freezing point of an engine coolant indicates the coolant freeze protection.  
5.2 The freezing point of an engine coolant may be used to determine the approximate glycol or glycerin content, provided the glycol type is known.
SCOPE
1.1 This test method covers the determination of the freezing point of an aqueous engine coolant solution in the laboratory.  
Note 1: Where solutions of specific concentrations are to be tested, they shall be prepared from representative samples as directed in Practice D1176. Secondary phases separating on dilution need not be separated.
Note 2: These products may also be marketed in a ready-to-use form (prediluted).  
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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.  
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