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ASTM International - ASTM D3306-11

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

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Organization: ASTM International
Publication Date: 1 November 2011
Status: inactive
Page Count: 7
ICS Code (Refrigerants and antifreezes): 71.100.45
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 Type

Description

IEthylene glycol base concentrate
IIPropylene glycol base concentrate
VEthylene glycol base concentrate
containing glycerin
IIIEthylene glycol predilute (50 vol %)
IVPropylene glycol predilute (50 vol %)
VIEthylene glycol base predilute
containing glycerin (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 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. This specification shall also apply to glycol based engine coolants prepared using fully refined glycerin provided that said glycerin meets the requirements for Specification D7640.

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 glycol base engine coolant for automobiles and light duty service. Specifications D4985 and D6210 exist for heavy duty engine service.

TABLE 1 General Requirements

PropertySpecified
Values
ASTM
Test Method
ColorDistinctive. . .
Effect on
nonmetals
No adverse
effect
Under
consideration

TABLE 2 Physical and Chemical Requirements for Concentrates

PropertyType IType IIType VASTM Test Method
Relative density
15.5/15.5°C (60/60°F)
1.110 to 1.1451.030 to 1.0651.110 to 1.160

A

D1122, D5931

Freezing point,

B, C °C (°F),
50 vol % in DI water

−36.4 (−33.5) max−31.0 (−23.8) max−36.4 (−33.5) max

D1177, D6660

Boiling point,

B,D °C (°F),
50 vol % in DI water

108 (226) min104 (219) min108 (226) min

D1120

Ash content, mass %5 max5 max5 max

D1119

pH, 50 vol % in DI water7.5 to 117.5 to 117.5 to 11

D1287

Chloride, μg/g25 max25 max25 max

D3634, D5827E

Water, mass %5 max5 max5 max

D1123

Reserve alkalinity, mLreport

F

report

F

report

F

D1121

Effect on automotive finish
(use clear coat thermoset
urethane or acrylic urethane finish)
no effectno effectno effect

D1882G

A Type V engine coolant is ethylene glycol base containing glycerin. Other ingredients that do not meet Specifications E1177 and D7640 shall not be substituted in this blend.

B For purposes of determining conformance with this specification, an observed value shall be rounded "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding method of Practice E29.

C Test Methods D1177 and D6660 work with glycol/glycerin mixtures. Field test devices based on refractive index and density are under development.

D Some precipitate may be observed at the end of the test. This should not be cause for rejection.

E In case of dispute, D3634 shall be the preferred test method.

F Value as agreed upon between the supplier and the customer.

G Currently, many vehicle manufacturers prepare test panels using the specific paint finishes employed on their actual products. Coolant suppliers and vehicle manufacturers should agree on the exact test procedures and acceptance criteria on an individual basis.

TABLE 3 Physical and Chemical Requirements for Predilute

PropertyType IIIType IVType VIASTM Test Method
Relative density
15.5/15.5°C (60/60°F)
1.065 min1.025 min1.065 min

A

D1122, D5931

Freezing point,

B, C °C (°F),
undiluted

−36.4 (−33.5) max−31.0 (−23.8) max−36.4 (−33.5 (max)

D1177, D6660

Boiling point,

B,D °C (°F),
undiluted

108 (226) min104 (219) min108 (226) min

D1120

Ash content, mass %2.5 max2.5 max2.5 max

D1119

pH, undiluted7.5 to 117.5 to 117.5 to 11

D1287

Chloride, μg/g25 max25 max25 max

D3634, D5827E

Water, mass %not
applicable
not
applicable
not
applicable

D1123

Reserve alkalinity, mLreport

F

report

F

report

F

D1121

Effect on automotive finish
(use clear coat thermoset
urethane or acrylic urethane finish)
no effectno effectno effect

D1882G

A Type VI engine coolant is ethylene glycol base containing glycerin. Other ingredients that do not meet Specifications E1177 and D7640 shall not be substituted in this blend.

B For purposes of determining conformance with this specification, an observed value shall be rounded "to the nearest unit" in the last right-hand digit used in expressing the specification limit, in accordance with the rounding method of Practice E29.

C Test Methods D1177 and D6660 work with glycol/glycerin mixtures. Field test devices based on refractive index and density are under development.

D Some precipitate may be observed at the end of the test. This should not be cause for rejection.

E In case of dispute, D3634 shall be the preferred test method.

F Value as agreed upon between the supplier and the customer.

G Currently, many vehicle manufacturers prepare test panels using the specific paint finishes employed on their actual products. Coolant suppliers and vehicle manufacturers should agree on the exact test procedures and acceptance criteria on an individual basis.

TABLE 4 Performance RequirementsA

PropertySpecific ValuesASTM Test MethodTest Solution Concentration,
vol % Product
Corrosion in glassware

D1384B

33
Weight loss, mg/specimen
copper10 max
solder30 max
brass10 max
steel10 max
cast iron10 max
aluminum30 max
Simulated service test

D2570C

44
Weight loss, mg/specimen
copper20 max
solder60 max
brass20 max
steel20 max
cast iron20 max
aluminum60 max
Corrosion of Cast Aluminum Alloys at
Heat-Rejecting Surfaces, mg/cm

2/week

1.0 max

D4340D

25
Foaming

D1881E

33
Volume, mL150 max
Break time, s5 max
Cavitation-Erosion8 min

D2809F

17
Rating for pitting, cavitation, and erosion of the water pump

A For engine coolant concentrates, test solutions shall be prepared in accordance with the directions provided in the individual ASTM test methods noted. For prediluted engine coolants, prepare test solutions using the directions provided in Footnotes B through F.

B For prediluted coolants, prepare the test solution by mixing 67 volume % of the adjusted (see 5.6) prediluted product with 33 volume % ASTM Type IV reagent water. Add 99 mg of sodium sulfate, 110 mg of sodium chloride, and 92 mg of sodium bicarbonate per litre of test solution.

C For prediluted coolants, prepare the test solution by mixing 88 volume % of the adjusted (see 5.6) prediluted product with 12 volume % ASTM Type IV reagent water. Add 83 mg of sodium sulfate, 92 mg of sodium chloride, and 77 mg of sodium bicarbonate per litre of test solution.

D For prediluted coolants, prepare the test solution by mixing 50 volume % of the adjusted (see 5.6) prediluted product with 50 volume % ASTM Type IV reagent water. Add 165 mg of sodium chloride per litre of test solution.

E For prediluted coolants, prepare the test solution by mixing 67 volume % of the adjusted (see 5.6) prediluted product with 33 volume % ASTM Type II reagent water.

F For prediluted coolants, prepare the test solution by mixing 33 volume % of the adjusted (see 5.6) prediluted product with 67 volume % ASTM Type IV reagent water. Add 123 mg of sodium sulfate, 137 mg of sodium chloride, and 115 mg of sodium bicarbonate per litre of test solution.

Document History

May 15, 2020
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
April 1, 2019
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
April 15, 2014
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
ASTM D3306-11
November 1, 2011
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
April 1, 2010
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
September 1, 2009
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
May 15, 2008
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
January 15, 2008
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
October 1, 2005
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
September 10, 2003
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
April 10, 2001
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
April 10, 2001
Standard Specification for Glycol Base Engine Coolant for Automobile and Light-Duty Service
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...
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