Standard Specification for Engine Coolant Grade Ethylene 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 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.
1.4 The values stated in SI units are to be regarded as the standard.

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31-Oct-2006
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ASTM E1177-06 - Standard Specification for Engine Coolant Grade Ethylene Glycol
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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: E1177 – 06
Standard Specification for
1
Engine Coolant Grade Glycol
This standard is issued under the fixed designation E1177; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3634 Test Method for Trace Chloride Ion in Engine
Coolants
1.1 This specification covers commercial products, engine
D4052 Test Method for Density and Relative Density of
coolant grade ethylene glycol and propylene glycol, including
Liquids by Digital Density Meter
virgin glycols and those derived from the recycling of vehicle
D5827 Test Method for Analysis of Engine Coolant for
engine coolants and industrial source glycols.
Chloride and Other Anions by Ion Chromatography
1.2 Types EG-1 and PG-1 cover glycols with sufficiently
D5931 Test Method for Density and Relative Density of
low limits on components to allow a blended coolant to meet
Engine Coolant Concentrates and Aqueous Engine Cool-
most OEM (Original Equipment Manufacturer) specifications.
ants by Digital Density Meter
These types will probably be virgin materials, although redis-
D6130 Test Method for Determination of Silicon and Other
tillation could produce a sufficiently pure product. Types EG-2
Elements in Engine Coolant by Inductively Coupled
and PG-2 cover glycol that will be suitable for many coolants.
Plasma-Atomic Emission Spectroscopy
These types can be either redistilled or virgin.
E202 Test Methods for Analysis of Ethylene Glycols and
1.3 This standard does not purport to address all of the
Propylene Glycols
safety concerns, if any, associated with its use. It is the
E300 Practice for Sampling Industrial Chemicals
responsibility of the user of this standard to establish appro-
E394 Test Method for Iron in Trace Quantities Using the
priate safety and health practices and determine the applica-
1,10-Phenanthroline Method
bility of regulatory limitations prior to use.
1.4 The values stated in SI units are to be regarded as the
3. Requirements
standard.
3.1 Engine coolant grade ethylene glycol or propylene
2. Referenced Documents glycol, including virgin glycols and those derived from the
2 recycling of vehicle engine coolants and industrial source
2.1 ASTM Standards:
glycols, shall conform to the chemical and physical property
D1122 Test Method for Density or Relative Density of
requirements in Table 1.
Engine Coolant Concentrates and Engine Coolants ByThe
Hydrometer
4. Sampling
D1123 Test Methods for Water in Engine Coolant Concen-
4.1 Sample ethylene or propylene glycol in accordance with
trate by the Karl Fischer Reagent Method
the appropriate sections of Practice E300 for liquid samples.
D1209 Test Method for Color of Clear Liquids (Platinum-
Cobalt Scale)
5. Test Methods
D1287 Test Method for pH of Engine Coolants and Anti-
5.1 Test each composite sample for the chemical and
rusts
physical requirements listed in 3.1.
D1613 Test Method for Acidity in Volatile Solvents and
Chemical Intermediates Used in Paint, Varnish, Lacquer,
6. Packaging, Package Markings, and Transportation
and Related Products
6.1 The packaging, labeling, and transportation of commer-
cial quantities shall conform to applicable federal, state, and
1
This specification is under the jurisdiction ofASTM Committee D15 on Engine
local regulations. Conformance is the responsibility of the
Coolants and is the direct responsibility of Subcommittee D15.07 on Specifications.
manufacturer and the shipper.
Current edition approved Nov. 1, 2006. Published December 2006. Originally
approved in 1987. Last previous edition approved in 2005 as E1177 – 05. DOI:
7. Keywords
10.1520/E1177-06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
7.1 anti-freeze; engine coolant; ethylene; glycol; propylene
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
glycol; recycled
Standards 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

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E1177 – 06
TABLE 1 Chemical and Physical Requirements
Value for Ethylene Value for Propylene Value for Ethylene Value for Propylene- ASTM Test
Requirement
Glycol, Type EG-1 Glycol, Type PG-1 Glycol, Type EG-2 Glycol, PG-2 Method
Clarity Clear, no suspended Clear, no suspended Clear, no suspended Clear, no suspended Visual
matter matter matter matter
Color, Pt/Co scale 25 max 25 max 100 max 100 max D1209
Relative density, 20/20°C 1.113 to 1.116 1.0375 to 1.0390 1.113 to 1.116 1.0375 to 1.0390 D1122, D4052,
...

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