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ASTM D4985-03

(Specification)

Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)

Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)

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 -37°C (-34°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 (D 6210) 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.
1.3 The values stated in SI units are to be regarded as the standard. The values given 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.

General Information

Status
Historical
Publication Date
09-Sep-2003
ICS
71.100.45 - Refrigerants and antifreezes
Technical Committee
D15 - Engine Coolants and Related Fluids
Drafting Committee
D15.07 - Specifications
Current Stage
Ref Project

Relations

Replaces
ASTM D4985-00a - 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
10-Sep-2003
Replaced By
ASTM D4985-05 - 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-Oct-2005
Referred By
ASTM D2570-16 - Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants
Effective Date
10-Sep-2003
Referred By
ASTM D3306-21 - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
10-Sep-2003
Referred By
ASTM D5752-10(2017) - Standard Specification for Supplemental Coolant Additives (SCAs) for Use in Precharging Coolants for Heavy-Duty Engines
Effective Date
10-Sep-2003
Referred By
ASTM D4725-15(2023) - Standard Terminology for Engine Coolants and Related Fluids
Effective Date
10-Sep-2003

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ASTM D4985-03 - Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)ASTM D4985-03 - Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
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ASTM D4985-03 - Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)
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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: D 4985 – 03
Standard Specification for
Low Silicate Ethylene Glycol Base Engine Coolant for Heavy
Duty Engines Requiring a Pre-Charge of Supplemental
1
Coolant Additive (SCA)
This standard is issued under the fixed designation D4985; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 2. Referenced Documents
1.1 This specification covers the requirements for low 2.1 ASTM Standards:
2
silicate ethylene glycol base engine coolants for cooling D512 Test Methods for Chloride Ion in Water
2
systems of heavy-duty engines.When concentrates are used at D516 Test Method for Sulfate Ion in Water
40 to 60% concentration by volume in water, or when D1119 Test Method for Percent Ash Content of Engine
3
prediluted glycol base engine coolants (50 volume % mini- Coolants and Antirusts
3
mum) are used without further dilution, they will function D1120 Test Method for Boiling Point of Engine Coolants
effectively to provide protection against corrosion, freezing to D1121 Test Method for Reserve Alkalinity of Engine
3
at least −37°C (−34°F), and boiling to at least 108°C (226°F). Coolants and Antirusts
D1122 Test Method for Density and Relative Density of
NOTE 1—This specification is based on the knowledge of the perfor-
Engine Coolant Concentrates and Engine Coolants by the
mance of engine coolants prepared from new or virgin ingredients. A
3
Hydrometer
separate specification exists (D6210) for heavy-duty engine coolants
which may be prepared from recycled or reprocessed used coolant or D1123 Test Methods forWater in Engine Coolant Concen-
3
reprocessed industrial-source ethylene glycol.
trate by the Karl Fischer Reagent Method
2
D1126 Test Method for Hardness in Water
1.2 Coolants meeting this specification require an initial
D1177 Test Method for Freezing Point ofAqueous Engine
charge of a supplemental coolant additive (SCA) and require
3
Coolants
regular maintenance doses of an SCA to continue the protec-
2
D1193 Specification for Reagent Water
tion in certain operating heavy-duty engine cooling systems,
D1287 Test Method for pH of Engine Coolants and Anti-
particularlythoseofthewetcylinderliner-in-blockdesign.The
3
rusts
SCAadditionsaredefinedbyandaretheprimaryresponsibility
2
D1293 Test Methods for pH of Water
of the engine manufacturer or vehicle manufacturer. If they
D1384 TestMethodforCorrosionTestforEngineCoolants
provide no instructions, follow the SCA supplier’s recom-
3
in Glassware
mended instructions.
D1881 Test Method for Foaming Tendencies of Engine
1.3 The values stated in SI units are to be regarded as the
3
Coolants in Glassware
standard. The values given in parentheses are for information
D1882 TestMethodforEffectofCoolingSystemChemical
only.
3
Solutions on Organic Finishes for Automotive Vehicles
1.4 This standard does not purport to address all of the
D1888 Test Methods for Particulate and Dissolved Matter,
safety concerns, if any, associated with its use. It is the
4
Solids, or Residue in Water
responsibility of the user of this standard to establish appro-
D2570 Test Method for Simulated Service Corrosion Test-
priate safety and health practices and determine the applica-
3
ing of Engine Coolants
bility of regulatory limitations prior to use.
D2809 Test Method for Cavitation Corrosion and Erosion-
Corrosion Characteristics of Aluminum Pumps With En-
3
gine Coolants
1
ThisspecificationisunderthejurisdictionofASTMCommitteeD15onEngine
CoolantsandisthedirectresponsibilityofSubcommitteeD15.07onSpecifications.
2
Current edition approved Sept. 10, 2003. Published November 2003. Originally
Annual Book of ASTM Standards, Vol 11.01.
3
approved in 1989. Last previous edition approved in 2000 as D4985–00a.
Annual Book of ASTM Standards, Vol 15.05.
4
Discontinued—See 1990 Annual Book of ASTM Standards, Vol 11.01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D4985–03
TABLE 1 Physical and Chemical Requirements
D3306 Specification for Glycol Base Engine Coolant for
3
Automobile and Light-Duty Service Specific Values
ASTM Test
D3634 Test Method for Trace Chloride Ion in Engine
Property Concentrate Predilute
Method
3
Coolants
Relative density, 15.5/15.5°C 1.110 to 1.145 1.065 min D 1122, D 5931
D4327 Test Method for Anions in Water by Chemically
(60/60°F)
2
Suppressed Ion Chromatography
Freezing point, °C (°F): D 1177, D 6660
D5827 Test Method for Determination of Chloride in
50 vol % in DI water
...

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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.
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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).
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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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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.
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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.  
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.

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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.  
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