1、Designation: D3306 11D3306 14Standard Specification forGlycol Base Engine Coolant for Automobile and Light-DutyService1This standard is issued under the fixed designation D3306; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the y
2、ear of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers the requirements for ethylene glycol or propylene glycol base engine coolants used i
3、n automobilesor other light duty service cooling systems. When concentrates are used at 40 to 70 % concentration by volume in water, or whenprediluted glycol base engine coolants (5050 volume % minimum) or higher engine coolant concentrate are used without furtherdilution, they will function effecti
4、vely to provide protection against freezing, boiling, and corrosion.1.2 The coolants governed by this specification are categorized as follows:Coolant Type DescriptionCoolant Type DescriptionI Ethylene glycol base concentrateII Propylene glycol base concentrateV Ethylene glycol base concentrateconta
5、ining glycerinIII Ethylene glycol predilute (50 vol %)III Ethylene glycol predilute 50 volume % or higherengine coolant concentrateIV Propylene glycol predilute (50 vol %)IV Propylene glycol predilute 50 volume % or higherengine coolant concentrateVI Ethylene glycol base predilutecontaining glycerin
6、 (50 vol %)VI Ethylene glycol base predilutecontaining glycerin 50 volume % or higher enginecoolant concentrateNOTE 1This specification is based on the knowledge of the performance of engine coolants prepared from new or virgin ingredients.This specificationshall also apply to engine coolants prepar
7、ed 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 preparedfrom recycled or reprocessed used coolant o
8、r 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 requirementsfor Specification D7640.1.3 The va
9、lues 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 responsibilityof the user of this standard to establish appropriate safe
10、ty and health practices and determine the applicability of regulatorylimitations prior to use.NOTE 2This specification applies to glycol base engine coolant for automobiles and light duty service. Specifications D4985 and D6210 exist forheavy duty engine service.2. Referenced Documents2.1 ASTM Stand
11、ards:2D512 Test Methods for Chloride Ion In Water1 This specification is under the jurisdiction of ASTM Committee D15 on Engine Coolants and Related Fluids and is the direct responsibility of Subcommittee D15.07on Specifications.Current edition approved Nov. 1, 2011April 15, 2014. Published January
12、2012May 2014. Originally approved in 1974. Last previous edition approved in 20102011 asD3306 10.D3306 11. DOI: 10.1520/D3306-11.10.1520/D3306-14.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standards
13、volume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to a
14、dequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright AS
15、TM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D516 Test Method for Sulfate Ion in WaterD1119 Test Method for Percent Ash Content of Engine CoolantsD1120 Test Method for Boiling Point of Engine CoolantsD1121 Test Method for Reserve Alkalinity of
16、 Engine Coolants and AntirustsD1122 Test Method for Density or Relative Density of Engine Coolant Concentrates and Engine Coolants By The HydrometerD1123 Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent MethodD1126 Test Method for Hardness in WaterD1177 Test Method fo
17、r Freezing Point of Aqueous Engine CoolantsD1287 Test Method for pH of Engine Coolants and AntirustsD1293 Test Methods for pH of WaterD1384 Test Method for Corrosion Test for Engine Coolants in GlasswareD1881 Test Method for Foaming Tendencies of Engine Coolants in GlasswareD1882 Test Method for Eff
18、ect of Cooling System Chemical Solutions on Organic Finishes for Automotive VehiclesD2570 Test Method for Simulated Service Corrosion Testing of Engine CoolantsD2809 Test Method for Cavitation Corrosion and Erosion-Corrosion Characteristics ofAluminum Pumps With Engine CoolantsD3321 Test Method for
19、Use of the Refractometer for FieldTest Determination of the Freezing Point ofAqueous Engine CoolantsD3634 Test Method for Trace Chloride Ion in Engine CoolantsD4327 Test Method for Anions in Water by Suppressed Ion ChromatographyD4340 Test Method for Corrosion of Cast Aluminum Alloys in Engine Coola
20、nts Under Heat-Rejecting ConditionsD4725 Terminology for Engine Coolants and Related FluidsD4985 Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Chargeof Supplemental Coolant Additive (SCA)D5827 Test Method for Analysis of Engine Coolant for
21、Chloride and Other Anions by Ion ChromatographyD5931 Test Method for Density and Relative Density of Engine Coolant Concentrates andAqueous Engine Coolants by DigitalDensity MeterD6130 Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-AtomicE
22、mission SpectroscopyD6210 Specification for Fully-Formulated Glycol Base Engine Coolant for Heavy-Duty EnginesD6471 Specification for Recycled Prediluted Aqueous Glycol Base Engine Coolant (50 Volume % Minimum) for Automobileand Light-Duty ServiceD6472 Specification for Recycled Glycol Base Engine C
23、oolant Concentrate for Automobile and Light-Duty ServiceD6660 Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase TransitionMethodD7640 Specification for Engine Coolant Grade GlycerinE29 Practice for Using Significant Digits in Test Data to Determine Con
24、formance with SpecificationsE394 Test Method for Iron in Trace Quantities Using the 1,10-Phenanthroline MethodE1177 Specification for Engine Coolant Grade Glycol2.2 Other Documents:Federal Method 2540B Total Dissolved Solids Dried at 103105C33. Terminology3.1 Definitions of Terms Specific to This St
25、andard:3.1.1 glycerinSpecification D7640 grade glycerin for engine coolant.3.1.2 other glycols, nin ethylene glycol base engine coolant, diethylene glycol, triethylene glycol, tetraethylene glycol,propylene glycol, dipropylene glycol, tripropylene glycol, and 1,3-propanediol.3.1.3 other glycols, nin
26、 propylene glycol base engine coolant, ethylene glycol, diethylene glycol, triethylene glycol,tetraethylene glycol, dipropylene glycol, tripropylene glycol, and 1,3-propanediol.3.1.3 glycerinSpecification D7640 grade glycerin for engine coolant.3.1.4 For definitions of other terms used in this speci
27、fication, refer to Terminology D4725.4. General Requirements4.1 Engine coolant concentrates or prediluted glycol base engine coolants shall be formulated with either ethylene glycol orpropylene glycol meeting Specification E1177, water, and shall contain suitable corrosion inhibitors, dye, and a foa
28、m suppressor.3 Standard Method for the Examination of Water and Wastewater. American Public Health Association, et al, 1015 15th800 I Street, N.W. Washington, DC20005.200013710, http:/www.apha.org.D3306 142TABLE 2 Physical and Chemical Requirements for ConcentratesProperty Type I Type II Type V ASTM
29、 Test MethodRelative density15.5/15.5C (60/60F)1.110 to 1.145 1.030 to 1.065 1.110 to 1.160A D1122, D5931Freezing point,B,C C (F),50 vol % in DI water36.4 (33.5) max 31.0 (23.8) max 36.4 (33.5) max D1177, D6660Boiling point,B,D C (F),50 vol % in DI water 108 (226) min 104 (219) min 108 (226) min D11
30、20Ash content, mass % 5 max 5 max 5 max D1119pH, 50 vol % in DI water 7.5 to 11 7.5 to 11 7.5 to 11 D1287Chloride, g/g 25 max 25 max 25 max D3634, D5827EWater, mass % 5 max 5 max 5 max D1123Reserve alkalinity, mL reportF reportF reportF D1121Effect on automotive finish(use clear coat thermoseturetha
31、ne or acrylic urethane finish)no effect no effect no effect D1882GA 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 thisblend.B For purposes of determining conformance with this specifica
32、tion, an observed value shall be rounded “to the nearest unit” in the last right-hand digit used in expressingthe 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 inde
33、x 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 pr
34、epare test panels using the specific paint finishes employed on their actual products. Coolant suppliers and vehiclemanufacturers should agree on the exact test procedures and acceptance criteria on an individual basis.TABLE 3 Physical and Chemical Requirements for PrediluteProperty Type III Type IV
35、 Type VI ASTM Test MethodRelative density15.5/15.5C (60/60F)1.065 min 1.025 min 1.065 minA D1122, D5931Freezing point,B,C C (F),undiluted36.4 (33.5) max 31.0 (23.8) max 36.4 (33.5 (max) D1177, D6660Boiling point,B,D C (F),undiluted 108 (226) min 104 (219) min 108 (226) min D1120Ash content, mass % 2
36、.5 max 2.5 max 2.5 max D1119pH, undiluted 7.5 to 11 7.5 to 11 7.5 to 11 D1287Chloride, g/g 25 max 25 max 25 max D3634, D5827EWater, mass % notapplicablenotapplicablenotapplicableD1123Reserve alkalinity, mL reportF reportF reportF D1121Effect on automotive finish(use clear coat thermoseturethane or a
37、crylic urethane finish)no effect no effect no effect D1882GA 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 thisblend.B For purposes of determining conformance with this specification,
38、an observed value shall be rounded “to the nearest unit” in the last right-hand digit used in expressingthe 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
39、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
40、test panels using the specific paint finishes employed on their actual products. Coolant suppliers and vehiclemanufacturers should agree on the exact test procedures and acceptance criteria on an individual basis.D3306 1434.2 Ethylene glycol base engine coolant concentrates (Type I) may contain a ma
41、ximum of 15 % other glycols, as long as thephysical, chemical, and performance requirements of this specification can be met. Similarly, prediluted ethylene glycol basecoolants (Type III) may contain a maximum of 7.5 % other glycols as long as all of the requirements of this specification can bemet.
42、4.3 Propylene glycol base engine coolant concentrates (Type II) may contain a combined maximum of 1 % other glycols (lessthan 0.5 % for prediluted propylene glycol base coolants,Type IV) and all of the physical, chemical, and performance requirementsof this specification must be met.4.4 Ethylene gly
43、col base coolant concentrates (Type V) may contain glycerin as long as the physical, chemical and performancerequirements of this specification can be met. Glycerin blended into Type V coolant concentrates shall be in accordance withSpecification D7640.4.5 All engine coolant concentrates or predilut
44、ed glycol base engine coolants shall conform to the general requirements givenin Table 1.4.6 Prediluted glycol base engine coolants shall be formulated using water that meets the following requirements:TABLE 4 Performance RequirementsAProperty Specific Values ASTM Test Method Test Solution Concentra
45、tion,vol % ProductCorrosion in glassware D1384B 33Weight loss, mg/specimencopper 10 maxsolder 30 maxbrass 10 maxsteel 10 maxcast iron 10 maxaluminum 30 maxSimulated service test D2570C 44Weight loss, mg/specimencopper 20 maxsolder 60 maxbrass 20 maxsteel 20 maxcast iron 20 maxaluminum 60 maxCorrosio
46、n of Cast Aluminum Alloys atHeat-Rejecting Surfaces, mg/cm2/week 1.0 max D4340D 25Foaming D1881E 33Volume, mL 150 maxBreak time, s 5 maxCavitation-Erosion 8 min D2809F 17Rating for pitting, cavitation, and erosion of thewater pumpA For engine coolant concentrates, test solutions shall be prepared in
47、 accordance with the directions provided in the individual ASTM test methods noted. For predilutedengine 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 5.65.5) pre
48、diluted 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 5.65.5) prediluted product wit
49、h 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 5.65.5) 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 5.65.5) prediluted product with 33 volume % ASTM Type II reagent water.F F
