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ASTM D1120-11e1

(Test Method)

Standard Test Method for Boiling Point of Engine Coolants

Standard Test Method for Boiling Point of Engine Coolants

ABSTRACT
This test method establishes the standard procedures for the determination of the equilibrium boiling point of engine coolants. The equilibrium boiling point indicates the temperature at which the sample will start to boil in a cooling system under equilibrium conditions at atmospheric pressure. This method requires the use of the following apparatuses: round-bottom, short-neck, heat-resistant glass flask; water-cooled, reflux, glass-tube type condenser; grit No. 8 boiling stones of silicon carbide grains; partial immersion thermometer; and electric heating mantle as heat source. Specified amounts of the sample shall be boiled under equilibrium conditions at atmospheric pressure in the flask. The temperature of the liquid corrected for barometric pressure shall be the boiling point.
SCOPE
1.1 This test method covers the determination of the equilibrium boiling point of engine coolants. The equilibrium boiling point indicates the temperature at which the sample will start to boil in a cooling system under equilibrium conditions at atmospheric pressure.
Note 1—Engine coolants may also be marketed in a ready-to-use form (prediluted). This test procedure is applicable to diluted solutions as well as to concentrates.  
Note 2—The procedure for obtaining a representative test sample of a coolant solution that contains an antileak additive is found in Test Method D1176.  
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
28-Feb-2011
ICS
71.100.45 - Refrigerants and antifreezes
Technical Committee
D15 - Engine Coolants and Related Fluids
Drafting Committee
D15.03 - Physical Properties
Current Stage
Ref Project

Relations

Replaces
ASTM D1120-11 - Standard Test Method for Boiling Point of Engine Coolants
Effective Date
01-Mar-2011
Replaced By
ASTM D1120-16 - Standard Test Method for Boiling Point of Engine Coolants
Effective Date
01-Apr-2016
Referred By
ASTM D7518-20 - Standard Specification for 1,3 Propanediol (PDO) Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
01-Mar-2011
Referred By
ASTM D8085-17 - Standard Specification for Non-Aqueous Engine Coolant for Automobile and Light-Duty Service
Effective Date
01-Mar-2011
Referred By
ASTM D7714-11(2021) - Standard Specification for Glycerin Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
01-Mar-2011
Referred By
ASTM D3306-21 - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
01-Mar-2011
Referred By
ASTM D4985-10(2023) - Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
Effective Date
01-Mar-2011
Referred By
ASTM D3585-08(2020) - Standard Specification for ASTM Reference Fluid for Coolant Tests
Effective Date
01-Mar-2011

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ASTM D1120-11e1 - Standard Test Method for Boiling Point of Engine CoolantsASTM D1120-11e1 - Standard Test Method for Boiling Point of Engine Coolants
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ASTM D1120-11e1 - Standard Test Method for Boiling Point of Engine Coolants
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Standards Content (Sample)

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
´1
Designation: D1120 − 11
StandardTest Method for
1
Boiling Point of Engine Coolants
This standard is issued under the fixed designation D1120; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1
ε NOTE—Editorial corrections were made in July 2011.
1. Scope* 100-mL flask. The temperature of the liquid corrected for
barometric pressure is the boiling point.
1.1 This test method covers the determination of the equi-
librium boiling point of engine coolants. The equilibrium
4. Apparatus (see Fig. 1)
boilingpointindicatesthetemperatureatwhichthesamplewill
4.1 Flask—A 100-mL round-bottom, short-neck, heat-
starttoboilinacoolingsystemunderequilibriumconditionsat
19
resistant glass flask having a neck with a ⁄38 standard-taper,
atmospheric pressure.
female ground-glass joint and a 10-mm (0.4-in) outside diam-
NOTE 1—Engine coolants may also be marketed in a ready-to-use form
eter side-entering tube, so located as to permit the end of the
(prediluted). This test procedure is applicable to diluted solutions as well
thermometer device to be directly centered in the flask 6.5 mm
as to concentrates.
(0.26 in.) from the bottom. The flask is shown in Fig. 2.
NOTE 2—The procedure for obtaining a representative test sample of a
coolantsolutionthatcontainsanantileakadditiveisfoundinTestMethod
4.2 Condenser—Thecondensershallbeofthewater-cooled,
D1176.
reflux, glass-tube type, having a condenser jacket 200 mm (7.9
1.2 The values stated in SI units are to be regarded as
in.) in length. The bottom end of the condenser shall have a
19
standard. The values given in parentheses are for information
⁄38 standard-taper, drip-tip, male ground-glass joint.
only.
4.3 Boiling Stones— Three or four silicon carbide grains,
1.3 This standard does not purport to address all of the
grit No. 8 or other suitable inert chips, shall be used for each
safety concerns, if any, associated with its use. It is the
determination. For samples exhibiting heavy foam, more
responsibility of the user of this standard to establish appro-
boiling chips may be added.
priate safety and health practices and determine the applica-
4.4 Temperature Measuring Instrument (Environmentally
bility of regulatory limitations prior to use.
Safe Thermometer or Thermocouple)—An ASTM Partial Im-
2. Referenced Documents mersionThermometer,havingarangefrom−5to300°C(20to
2 580°F) and conforming to the requirements for Thermometer
2.1 ASTM Standards:
2C or 2F, as prescribed in Specification E1, or some other
D1176Practice for Sampling and Preparing Aqueous Solu-
suitable non-mercury containing temperature measuring
tionsofEngineCoolantsorAntirustsforTestingPurposes
device, such as a thermocouple, capable of operating in the
E1Specification for ASTM Liquid-in-Glass Thermometers
same temperature range and having equal or better accuracy as
E230Specification and Temperature-Electromotive Force
summarized in Specification E230. See Section 10, Precision
(EMF) Tables for Standardized Thermocouples
and Bias.The data presented in this paragraph is derived using
3. Summary of Test Method
mercury-in-glass thermometers only.
3.1 Sixty millilitres (two ounces) of the sample are boiled
4.5 HeatSource—Asuitableelectricheatingmantleshallbe
under equilibrium conditions at atmospheric pressure in a
used, such that sufficient heat can be obtained to comply with
the heating and refluxing rates specified in Section 7.
1
This test method is under the jurisdiction ofASTM Committee D15 on Engine
5. Sample
Coolants and Related Fluids and is the direct responsibility of Subcommittee
D15.03 on Physical Properties.
5.1 To obtain a sample of unused concentrated coolant for
Current edition approved March 1, 2011. Published March 2011. Originally
boiling point determination, the following procedure is sug-
approved in 1950 as D1120–50T. Last previous edition approved in 2008 as
D1120–08. DOI: 10.1520/D1120-11E01.
gested:
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.1.1 Allow material as received in the original container to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
come to room temperature 20°C (68°F) but not below 20°C
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. minimum).
*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

---------------------- Page: 1 ----------------------
´1
D
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This specification covers both 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. Types EG-1 and PG-1, which will probably be virgin materials, cover glycols with sufficiently low limits on components to allow a blended coolant to meet most Original Equipment Manufacturer (OEM) specifications. Types EG-2 and PG-2, on the other hand, can be either redistilled or virgin. These cover glycol that will be suitable for many coolants.
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4.1 This test method provides information on the stability of the engine coolant concentrate when stored at elevated temperatures for two weeks. These test conditions might simulate the conditions that a product would be subjected to in transit and storage in warehouses before delivery to the customer.  
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ASTM D4725-15(2023)(Terminology)
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SCOPE
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Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)

ABSTRACT
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.
SCOPE
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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5.1 The freezing point of an engine coolant indicates the coolant freeze protection.  
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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: The products may also be marketed in a ready-to-use form (prediluted).  
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This specification establishes the requirements for ethylene glycol, propylene glycol, 1,3 propanediol, and glycerin base heat transfer fluids (HTF) used in heating and air conditioning (HVAC) systems. When concentrates are used at up to 65% concentration by weight in water, or when prediluted heat transfer fluids (30% by weight minimum) are used without further dilution, they will function effectively to provide protection against freezing, and corrosion. The HTFs governed by this specification are categorized according to the primary base of freeze depressant used: I (ethylene glycol), II (propylene glycol), III (1,3-propanediol), and IV (glycerin).
SCOPE
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Fluid Type  
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IV  
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1.4 Heat transfer fluids meeting this specification shall be tested and fully comply with requirements listed in Table 1.  
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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5.1 This test method provides a method to distinguish between coolants that are deleterious from the corrosion standpoint and those suitable for further evaluation.
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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ASTM D1177-22(Test Method)
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).  
1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered 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.  
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.

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