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ASTM D3306-08

(Specification)

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

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

SCOPE
1.1 This specification covers the requirements for ethylene glycol or propylene glycol base engine coolants used in automobiles or other light duty service cooling systems. When concentrates are used at 40 to 70 % 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 freezing, boiling, and corrosion.
1.2 The coolants governed by this specification are categorized as follows:
Coolant TypeDescription  IEthylene glycol base concentrate IIPropylene glycol base concentrate IIIEthylene glycol predilute (50 vol %) IVPropylene glycol predilute (50 vol %)
Note 1—This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients. This specification shall also apply to engine coolants prepared using glycol generated from recycled or reprocessed used coolant or reprocessed industrial-source glycol, provided that said glycol meets the requirements of Specification E 1177. Separate specifications (D 6471 and D 6472) exist for engine coolants prepared from recycled or reprocessed used coolant or reprocessed industrial-source glycol that does not meet the requirements established in Specification E 1177.
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.
Note 2—This specification applies to automobiles and light duty service. Specifications D 4985 and D 6210 exist for heavy duty engine service.

General Information

Status
Historical
Publication Date
14-Jan-2008
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 D3306-05 - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
15-Jan-2008
Replaced By
ASTM D3306-08a - Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
Effective Date
15-May-2008
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
15-Jan-2008
Referred By
ASTM D2570-16 - Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants
Effective Date
15-Jan-2008
Referred By
ASTM D2847-22 - Standard Practice for Testing Engine Coolants in Car and Light Truck Service
Effective Date
15-Jan-2008
Referred By
ASTM D4725-15(2023) - Standard Terminology for Engine Coolants and Related Fluids
Effective Date
15-Jan-2008
Referred By
ASTM D6210-17 - Standard Specification for Fully-Formulated Glycol Base Engine Coolant for Heavy-Duty Engines<rangeref></rangeref >
Effective Date
15-Jan-2008
Referred By
ASTM D6660-01(2023) - Standard Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase Transition Method
Effective Date
15-Jan-2008
Referred By
ASTM D7715-12(2021) - Standard Specification for Fully-Formulated Glycerin Base Engine Coolant for Heavy-Duty Engines
Effective Date
15-Jan-2008
Referred By
ASTM D1119-22 - Standard Test Method for Percent Ash Content of Engine Coolants
Effective Date
15-Jan-2008

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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: D 3306 – 08
Standard Specification for
Glycol Base Engine Coolant for Automobile and Light-Duty
1
Service
This standard is issued under the fixed designation D3306; 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.
TABLE 1 General Requirements
1. Scope
Property Specified Values ASTM Test Method
1.1 This specification covers the requirements for ethylene
Color Distinctive . . .
glycol or propylene glycol base engine coolants used in
Effect on nonmetals No adverse effect under consideration
automobiles or other light duty service cooling systems.When
concentratesareusedat40to70%concentrationbyvolumein
water, or when prediluted glycol base engine coolants (50
2. Referenced Documents
volume % minimum) are used without further dilution, they
2
2.1 ASTM Standards:
will function effectively to provide protection against freezing,
D512 Test Methods for Chloride Ion In Water
boiling, and corrosion.
D516 Test Method for Sulfate Ion in Water
1.2 The coolants governed by this specification are catego-
D 1119 Test Method for Percent Ash Content of Engine
rized as follows:
Coolants
Coolant Type Description
D1120 Test Method for Boiling Point of Engine Coolants
I Ethylene glycol base concentrate D1121 Test Method for Reserve Alkalinity of Engine
II Propylene glycol base concentrate
Coolants and Antirusts
III Ethylene glycol predilute (50 vol %)
D1122 Test Method for Density or Relative Density of
IV Propylene glycol predilute (50 vol %)
EngineCoolantConcentratesandEngineCoolantsByThe
Hydrometer
NOTE 1—This specification is based on the knowledge of the perfor-
D1123 Test Methods forWater in Engine Coolant Concen-
mance of engine coolants prepared from new or virgin ingredients. This
trate by the Karl Fischer Reagent Method
specification shall also apply to engine coolants prepared using glycol
D1126 Test Method for Hardness in Water
generated from recycled or reprocessed used coolant or reprocessed
D1177 Test Method for Freezing Point ofAqueous Engine
industrial-source glycol, provided that said glycol meets the requirements
Coolants
of Specification E1177. Separate specifications (D6471 and D6472)
exist for engine coolants prepared from recycled or reprocessed used
D1287 Test Method for pH of Engine Coolants and Anti-
coolant or reprocessed industrial-source glycol that does not meet the
rusts
requirements established in Specification E1177.
D1293 Test Methods for pH of Water
1.3 The values stated in SI units are to be regarded as the D1384 TestMethodforCorrosionTestforEngineCoolants
standard. The values in parentheses are for information only. in Glassware
1.4 This standard does not purport to address all of the D1881 Test Method for Foaming Tendencies of Engine
safety concerns, if any, associated with its use. It is the Coolants in Glassware
responsibility of the user of this standard to establish appro- D1882 TestMethodforEffectofCoolingSystemChemical
priate safety and health practices and determine the applica- Solutions on Organic Finishes for Automotive Vehicles
bility of regulatory limitations prior to use. D1888 Methods of Test for Particulate and Dissolved
3
Matter in Water
NOTE 2—This specification applies to automobiles and light duty
service. Specifications D4985 and D6210 exist for heavy duty engine
service.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
ThisspecificationisunderthejurisdictionofASTMCommitteeD15onEngine contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
CoolantsandisthedirectresponsibilityofSubcommitteeD15.07onSpecifications. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Jan. 15, 2008. Published February 2008. Originally the ASTM website.
3
approved in 1974. Last previous edition approved in 2005 as D3306–05. Withdrawn.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3306–08
TABLE 2 Physical and Chemical Requirements
Property Type I Type II Type III Type IV ASTM Test Method
Relative density 1.110 to 1.145 1.030 to 1.065 1.065 min 1.025 min D 1122, D 5931
15.5/15.5°C (60/60°F)
Freezing point, °C (°F): D 1177, D 6660
50 vol % in DI water −37 (−34) max −32 (−26) max
Undiluted −37 (−34) max −32 (−26) max
A
Boiling point, °C (°F): D 1120
50 vol % in DI water 108 (226) min 104 (219) min
Undiluted 163 (325) min 152 (305 min) 108 (226) min 104 (219) min
Ash content, mass % 5 max 5 max 2.5 max 2.5 max D 1119
pH: D 1287
50 vol % in DI water 7.5 to 11 7.5 to 11
U
...

This document is not anASTM standard and is intended only to provide the user of anASTM 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:D3306–05 Designation: D 3306 – 08
Standard Specification for
Glycol Base Engine Coolant for Automobile and Light-Duty
1
Service
This standard is issued under the fixed designation D3306; 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.
1. Scope
1.1 Thisspecificationcoverstherequirementsforethyleneglycolorpropyleneglycolbaseenginecoolantsusedinautomobiles
or other light duty service cooling systems.When concentrates are used at 40 to 70% 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 freezing, boiling, and corrosion.
1.2 The coolants governed by this specification are categorized as follows:
Coolant Type Description
I Ethylene glycol base concentrate
II Propylene glycol base concentrate
III Ethylene glycol predilute (50 vol %)
IV Propylene glycol predilute (50 vol %)
NOTE1—This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients. Separate
specifications exist for engine coolants prepared from recycled or reprocessed used coolant or reprocessed industrial-source glycols. 1—This
specificationisbasedontheknowledgeoftheperformanceofenginecoolantspreparedfromneworvirginingredients.Thisspecificationshallalsoapply
to engine coolants prepared using glycol generated from recycled or reprocessed used coolant or reprocessed industrial-source glycol, provided that said
glycol meets the requirements of Specification E1177. Separate specifications (D6471 and D6472) exist for engine coolants prepared from recycled or
reprocessed used coolant or reprocessed industrial-source glycol that does not meet the requirements established in Specification E1177.
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.
NOTE 2—This specification applies to automobiles and light duty service. Specifications D4985 and D6210 exist for heavy duty engine service.
2. Referenced Documents
2
2.1 ASTM Standards:
D512 Test Methods for Chloride Ion inIn Water
D516 Test MethodsMethod for Sulfate Ion in Water
D1119 Test Method for Percent Ash Content of Engine Coolants and Antirusts
D1120 Test Method for Boiling Point of Engine Coolants
D1121 Test Method for Reserve Alkalinity of Engine Coolants and Antirusts
D1122 Test Method for Density andor Relative Density of Engine Coolant Concentrates and Engine Coolants by theBy The
Hydrometer
D1123 Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent Method
D1126 Test Method for Hardness in Water
D1177 Test Method for Freezing Point of Aqueous Engine Coolants
D1287 Test Method for pH of Engine Coolants and Antirusts
D1293 Test Methods for pH of Water
1
This specification is under the jurisdiction of ASTM Committee D15 on Engine Coolants and is the direct responsibility of Subcommittee D15.07 on Specifications.
Current edition approved Oct. 1, 2005. Published November 2005. Originally approved in 1974. Last previous edition approved in 2003 as D3306–03.
Current edition approved Jan. 15, 2008. Published February 2008. Originally approved in 1974. Last previous edition approved in 2005 as D3306–05.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D3306–08
TABLE 1 General Requirements
Property Specified Values ASTM Test Method
Color Distinctive . . .
Effect on nonmetals No adverse effect under consideration
TABLE 2 Physical and Chemical Requirements
Property Type I Type II Type III Type IV ASTM Test Method
Relative density 1.110 to 1.145 1.030 to 1.065 1.065 min 1.025 min D 1122, D 5931
15.5/15.5°C (60/60°
...

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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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Standard Specification for Engine Coolant Grade Glycol

ABSTRACT
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.  
1.2 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. These types can be either redistilled or virgin.  
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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  • Technical specification
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ASTM
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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  • Standard
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