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ASTM D6472-06

(Specification)

Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service

Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service

ABSTRACT
This specification covers the requirements for recycled ethylene glycol base engine coolant concentrate and recycled propylene glycol base engine coolant concentrate for use in automobiles and light-duty vehicles. This standard does not apply to coolant produced from other glycol sources such as medical waste, distillation bottoms, airplane/airport deicers and polyester production waste. This specification provides a procedure for evaluating engine coolant recycling technologies through the recycling of a reference synthetic used engine coolant. It also specifies the chemical, physical, and performance requirements for the recycled glycol base engine coolant concentrate. When used at 40 to 70 volume % in water, the coolant concentrate will function effectively during both winter and summer. This material is intended to provide protection against freezing, boiling, and corrosion in automobile or other light-duty service cooling systems.
SCOPE
1.1 This specification covers the requirements for recycled ethylene glycol base engine coolant concentrate and recycled propylene glycol base engine coolant concentrate for use in automobiles and light-duty vehicles. Committee D15 has developed this specification using experience, knowledge and research from recycling used aqueous base engine coolant and blends of used aqueous base engine coolant and virgin glycol. This standard does not apply to coolant produced from other glycol sources such as medical waste, distillation bottoms, airplane/airport deicers and polyester production waste. This specification provides a procedure for evaluating engine coolant recycling technologies through the recycling of a reference synthetic used engine coolant. It also specifies the chemical, physical, and performance requirements for the recycled glycol base engine coolant concentrate that is produced from that procedure. When used at 40 to 70 volume % in water, it will function effectively during both winter and summer. This material is intended to provide protection against freezing, boiling, and corrosion in automobile or other light-duty service cooling systems.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are approximate equivalents and provided for information only.
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
30-Apr-2006
ICS
71.100.45 - Refrigerants and antifreezes
Technical Committee
D15 - Engine Coolants and Related Fluids
Drafting Committee
D15.15 - Recycled Engine Coolant
Current Stage
Ref Project

Relations

Replaces
ASTM D6472-05 - Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service
Effective Date
01-May-2006
Replaced By
ASTM D6472-10 - Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service (Withdrawn 2019)
Effective Date
01-Apr-2010
Referred By
ASTM D5752-10(2017) - Standard Specification for Supplemental Coolant Additives (SCAs) for Use in Precharging Coolants for Heavy-Duty Engines
Effective Date
01-May-2006
Referred By
ASTM D3306-21 - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
01-May-2006
Referred By
ASTM D4725-15(2023) - Standard Terminology for Engine Coolants and Related Fluids
Effective Date
01-May-2006

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ASTM D6472-06 - Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty ServiceASTM D6472-06 - Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service
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ASTM D6472-06 - Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service
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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.
Designation: D6472 – 06
Standard Specification for
Recycled Glycol Base Engine Coolant Concentrate for
1
Automobile and Light-Duty Service
This standard is issued under the fixed designation D6472; 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 D516 Test Method for Sulfate Ion in Water
D1119 Test Method for Percent Ash Content of Engine
1.1 This specification covers the requirements for recycled
Coolants
ethylene glycol base engine coolant concentrate and recycled
D1120 Test Method for Boiling Point of Engine Coolants
propylene glycol base engine coolant concentrate for use in
D1121 Test Method for ReserveAlkalinity of Engine Cool-
automobiles and light-duty vehicles. Committee D15 has
ants and Antirusts
developed this specification using experience, knowledge and
D1122 Test Method for Density or Relative Density of
research from recycling used aqueous base engine coolant and
EngineCoolantConcentratesandEngineCoolantsByThe
blends of used aqueous base engine coolant and virgin glycol.
Hydrometer
This standard does not apply to coolant produced from other
D1123 Test Methods for Water in Engine Coolant Concen-
glycol sources such as medical waste, distillation bottoms,
trate by the Karl Fischer Reagent Method
airplane/airport deicers and polyester production waste. This
D1126 Test Method for Hardness in Water
specification provides a procedure for evaluating engine cool-
D1176 Practice for Sampling and PreparingAqueous Solu-
ant recycling technologies through the recycling of a reference
tions of Engine Coolants orAntirusts forTesting Purposes
synthetic used engine coolant. It also specifies the chemical,
D1177 Test Method for Freezing Point of Aqueous Engine
physical,andperformancerequirementsfortherecycledglycol
Coolants
base engine coolant concentrate that is produced from that
D1193 Specification for Reagent Water
procedure. When used at 40 to 70 volume% in water, it will
D1287 Test Method for pH of Engine Coolants and Anti-
function effectively during both winter and summer. This
rusts
material is intended to provide protection against freezing,
D1293 Test Methods for pH of Water
boiling,andcorrosioninautomobileorotherlight-dutyservice
D1384 Test Method for CorrosionTest for Engine Coolants
cooling systems.
in Glassware
1.2 The values stated in SI units are to be regarded as the
D1881 Test Method for Foaming Tendencies of Engine
standard. The values given in parentheses are approximate
Coolants in Glassware
equivalents and provided for information only.
D1882 Test Method for Effect of Cooling System Chemical
1.3 This standard does not purport to address all of the
Solutions on Organic Finishes for Automotive Vehicles
safety concerns, if any, associated with its use. It is the
D1888 Methods of Test for Particulate and Dissolved Mat-
responsibility of the user of this standard to establish appro-
3
ter in Water
priate safety and health practices and determine the applica-
D2570 Test Method for Simulated Service Corrosion Test-
bility of regulatory limitations prior to use.
ing of Engine Coolants
2. Referenced Documents D2809 Test Method for Cavitation Corrosion and Erosion-
2
Corrosion Characteristics of Aluminum Pumps With En-
2.1 ASTM Standards:
gine Coolants
D512 Test Methods for Chloride Ion In Water
D2847 Practice for Testing Engine Coolants in Car and
Light Truck Service
D3306 Specification for Glycol Base Engine Coolant for
1
ThisspecificationisunderthejurisdictionofASTMCommitteeD15onEngine
Automobile and Light-Duty Service
Coolants and is the direct responsibility of Subcommittee D15.15 on Recycled
D3634 Test Method for Trace Chloride Ion in Engine
Engine Coolants.
Current edition approved May 1, 2006. Published May 2006. Originally
Coolants
approved in 2000. Last previous edition approved in 2005 as D6472–05. DOI:
D4327 Test Method for Anions in Water by Chemically
10.1520/D6472-06.
2 Suppressed Ion Chromatography
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
Withdrawn.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D6472 – 06
D4340 TestMethodforCorrosionofCastAluminumAlloys 3.2 Purity of Water—Unlessotherwiseindicated,references
3
in Engine Coolants Under Heat-Rejecting Conditions to water shall be understood to mean reagent water as defined
by Type IV of Specificati
...

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SCOPE
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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.
SCOPE
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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).
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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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1.4 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).  
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