1、Designation: D3306 09Standard 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 year of l
2、ast 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 ethyleneglycol or propylene glycol base engine coolants used inautomobi
3、les or other light duty service cooling systems. Whenconcentrates are used at 40 to 70 % concentration by volume inwater, or when prediluted glycol base engine coolants (50volume % minimum) are used without further dilution, theywill function effectively to provide protection against freezing,boilin
4、g, and corrosion.1.2 The coolants governed by this specification are catego-rized as follows:Coolant Type DescriptionI Ethylene glycol base concentrateII Propylene glycol base concentrateIII Ethylene glycol predilute (50 vol %)IV Propylene glycol predilute (50 vol %)NOTE 1This specification is based
5、 on the knowledge of the perfor-mance of engine coolants prepared from new or virgin ingredients. Thisspecification shall also apply to engine coolants prepared using glycolgenerated from recycled or reprocessed used coolant or reprocessedindustrial-source glycol, provided that said glycol meets the
6、 requirementsof Specification E1177. Separate specifications (D6471 and D6472) existfor engine coolants prepared from recycled or reprocessed used coolant orreprocessed industrial-source glycol that does not meet the requirementsestablished in Specification E1177.1.3 The values stated in SI units ar
7、e to be regarded as thestandard. The values in parentheses are for information only.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and
8、 determine the applica-bility of regulatory limitations prior to use.NOTE 2This specification applies to glycol base engine coolant forautomobiles and light duty service. Specifications D4985 and D6210 existfor heavy duty engine service.2. Referenced Documents2.1 ASTM Standards:2D512 Test Methods fo
9、r Chloride Ion In WaterD516 Test Method for Sulfate Ion in WaterD1119 Test Method for Percent Ash Content of EngineCoolantsD1120 Test Method for Boiling Point of Engine CoolantsD1121 Test Method for Reserve Alkalinity of Engine Cool-ants and AntirustsD1122 Test Method for Density or Relative Density
10、 ofEngine Coolant Concentrates and Engine Coolants By TheHydrometerD1123 Test Methods for Water in Engine Coolant Concen-trate by the Karl Fischer Reagent MethodD1126 Test Method for Hardness in WaterD1177 Test Method for Freezing Point of Aqueous EngineCoolantsD1287 Test Method for pH of Engine Coo
11、lants and Anti-rustsD1293 Test Methods for pH of WaterD1384 Test Method for Corrosion Test for Engine Coolantsin GlasswareD1881 Test Method for Foaming Tendencies of EngineCoolants in GlasswareD1882 Test Method for Effect of Cooling System ChemicalSolutions on Organic Finishes for Automotive Vehicle
12、sD1888 Methods of Test for Particulate and Dissolved Mat-ter in Water31This specification is under the jurisdiction ofASTM Committee D15 on EngineCoolants and is the direct responsibility of Subcommittee D15.07 on Specifications.Current edition approved Sept. 1, 2009. Published October 2009. Origina
13、llyapproved in 1974. Last previous edition approved in 2008 as D3306 08a. DOI:10.1520/D3306-09.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Documen
14、t Summary page onthe ASTM website.3Withdrawn.TABLE 1 General RequirementsProperty Specified Values ASTM Test MethodColor Distinctive . . .Effect on nonmetals No adverse effect under consideration1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr
15、 Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.TABLE 2 Physical and Chemical RequirementsProperty Type I Type II Type III Type IV ASTM Test MethodRelative density15.5/15.5C (60/60F)1.110 to 1.145 1.030 to 1.065 1.065 min 1.025 min D1122, D5931Freezing point,AC (F): D1177
16、, D666050 vol % in DI water 36.4 (33.5) max 31.0 (23.8) maxUndiluted 36.4 (33.5) max 31.0 (23.8) maxBoiling point,A,BC (F): D112050 vol % in DI water 108 (226) min 104 (219) minUndiluted 163 (325) min 152 (305 min) 108 (226) min 104 (219) minAsh content, mass % 5 max 5 max 2.5 max 2.5 max D1119pH: D
17、128750 vol % in DI water 7.5 to 11 7.5 to 11Undiluted 7.5to11 7.5to11Chloride, g/g 25 max 25 max 25 max 25 max D3634, D5827CWater, mass % 5 max 5 max not applicable not applicable D1123Reserve alkalinity, mL reportDreportDreportDreportDD1121Effect on automotive finish (use clearcoat thermoset uretha
18、ne or acrylicurethane finish)no effect no effect no effect no effect D1882EAFor 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 expressingthe specification limit, in accordance with the roundin
19、g method of Practice E29.BSome precipitate may be observed at the end of the test. This should not be cause for rejection.CIn case of dispute, D3634 shall be the preferred test method.DValue as agreed upon between the supplier and the customer.ECurrently, many vehicle manufacturers prepare test pane
20、ls 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 Performance RequirementsAProperty Specific Values ASTM Test MethodTest Solution Concentr
21、ation,vol % GlycolCorrosion in glassware D1384B33Weight loss, mg/specimencopper 10 maxsolder 30 maxbrass 10 maxsteel 10 maxcast iron 10 maxaluminum 30 maxSimulated service test D2570C44Weight loss, mg/specimencopper 20 maxsolder 60 maxbrass 20 maxsteel 20 maxcast iron 20 maxaluminum 60 maxCorrosion
22、of Cast Aluminum Alloys atHeat-Rejecting Surfaces, mg/cm2/week 1.0 max D4340D25Foaming D1881E33Volume, mL 150 maxBreak time, s 5 maxCavitation-Erosion 8 min D2809F17Rating for pitting, cavitation, and erosion of thewater pumpAFor engine coolant concentrates, test solutions shall be prepared in accor
23、dance with the directions provided in the individualASTM test methods noted. For predilutedengine coolants, prepare test solutions using the directions provided in Footnotes B through F.BFor prediluted coolants, prepare the test solution by mixing 67 volume % of the adjusted (see 5.6) prediluted pro
24、duct 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.CFor prediluted coolants, prepare the test solution by mixing 88 volume % of the adjusted (see 5.6) prediluted product with 12 volume %
25、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.DFor 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 wa
26、ter.Add 165 mg of sodium chloride per litre of test solution.EFor 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.FFor prediluted coolants, prepare the test solution by mixing 33 volume % of
27、 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.D3306 092D2570 Test Method for Simulated Service Corrosion Test-ing of Engine CoolantsD2809 Test
28、 Method for Cavitation Corrosion and Erosion-Corrosion Characteristics of Aluminum Pumps With En-gine CoolantsD3321 Test Method for Use of the Refractometer for FieldTest Determination of the Freezing Point of AqueousEngine CoolantsD3634 Test Method for Trace Chloride Ion in EngineCoolantsD4327 Test
29、 Method for Anions in Water by ChemicallySuppressed Ion ChromatographyD4340 Test Method for Corrosion of CastAluminumAlloysin Engine Coolants Under Heat-Rejecting ConditionsD4725 Terminology for Engine CoolantsD4985 Specification for Low Silicate Ethylene Glycol BaseEngine Coolant for Heavy Duty Eng
30、ines Requiring aPre-Charge of Supplemental Coolant Additive (SCA)D5827 Test Method for Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD5931 Test Method for Density and Relative Density ofEngine Coolant Concentrates and Aqueous Engine Cool-ants by Digital Density MeterD6
31、130 Test Method for Determination of Silicon and OtherElements in Engine Coolant by Inductively CoupledPlasma-Atomic Emission SpectroscopyD6210 Specification for Fully-Formulated Glycol Base En-gine Coolant for Heavy-Duty EnginesD6471 Specification for Recycled Prediluted Aqueous Gly-col Base Engine
32、 Coolant (50 Volume % Minimum) forAutomobile and Light-Duty ServiceD6472 Specification for Recycled Glycol Base EngineCoolant Concentrate for Automobile and Light-Duty Ser-viceD6660 Test Method for Freezing Point ofAqueous EthyleneGlycol Base Engine Coolants by Automatic Phase Transi-tion MethodE29
33、Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE394 Test Method for Iron in Trace Quantities Using the1,10-Phenanthroline MethodE1177 Specification for Engine Coolant Grade Glycol3. Terminology3.1 Definitions:3.1.1 other glycols, nin ethylene glycol bas
34、e engine cool-ant, diethylene glycol, triethylene glycol, tetraethylene glycol,propylene glycol, dipropylene glycol, tripropylene glycol, and1,3-propanediol.3.1.2 other glycols, nin propylene glycol base enginecoolant, ethylene glycol, diethylene glycol, triethylene glycol,tetraethylene glycol, dipr
35、opylene glycol, tripropylene glycol,and 1,3-propanediol.3.1.3 For definitions of other terms used in this specifica-tion, refer to Terminology D4725.4. General Requirements4.1 Engine coolant concentrates or prediluted glycol baseengine coolants shall be formulated with either ethylene glycolor propy
36、lene glycol meeting Specification E1177, water, andshall contain suitable corrosion inhibitors, dye, and a foamsuppressor.4.2 Ethylene glycol base engine coolant concentrates (TypeI) may contain a maximum of 15 % other glycols, as long asthe physical, chemical, and performance requirements of thissp
37、ecification can be met. Similarly, prediluted ethylene glycolbase coolants (Type III) may contain a maximum of 7.5 %other glycols as long as all of the requirements of thisspecification can be met.4.3 Propylene glycol base engine coolant concentrates(Type II) may contain a combined maximum of 1 % ot
38、herglycols (less than 0.5 % for prediluted propylene glycol basecoolants, Type IV) and all of the physical, chemical, andperformance requirements of this specification must be met.4.4 All engine coolant concentrates or prediluted glycolbase engine coolants shall conform to the general requirementsgi
39、ven in Table 1.4.5 Prediluted glycol base engine coolants shall be formu-lated using water that meets the following requirements:Property Specific Values ASTM Test MethodChlorides, g/g (ppm (grains/gal) 25 (1.5) max D5827, D512, D4327Sulfate, g/g (ppm (grains/gal) 50 (3.0) max D5827, D516, D4327Hard
40、ness, as CaCO3, g/g(ppm (grains/gal)20 (1.2) max D6130, D1126pH 5.5 to 8.5 D1287, D1293Iron, g/g (ppm (grains/gal) 1.0 (0.06) max D6130, E394NOTE 3Prediluted coolants are intended for direct addition to anengine cooling system with no further dilution. However, if circumstancesrequire addition and p
41、rediluted aqueous engine coolant is not available,use the appropriate engine coolant concentrate (Type I or II) diluted to 50volume % with water of at least the quality outlined in Table X1.1.4.6 When diluting engine coolant concentrates for actualservice, use deionized (demineralized) or distilled
42、water, mu-nicipal (treated) water, or a low mineral content well water (seeAppendix X1, Table X1.1). This procedure will minimize theformation of hard water scale and avoid the introduction ofmineral components, such as chlorides and sulfates, which canincrease the corrosion rate of aluminum and iro
43、n.4.7 When installed in accordance with the vehicle manufac-turers recommendations and those on the product label, enginecoolant concentrates or prediluted glycol base engine coolantsshall be suitable for use in a properly maintained coolingsystem (Appendix X1) in normal light-duty service for amini
44、mum of one year without adversely affecting fluid flowand heat transfer.5. Detailed Requirements5.1 Glycol base coolant concentrates and prediluted cool-ants shall conform to the physical and chemical requirementsprescribed in Table 2 depending on coolant type (see 1.2).5.2 The requirements listed i
45、n Table 2 for prediluted cool-ants (Types III and IV) are prescribed for the coolant aspackaged, without further dilution or adjustment.5.3 All coolant concentrates and prediluted coolants shallconform to the performance requirements listed in Table 3.5.4 Coolant concentrates shall be diluted for pe
46、rformancetesting as described in the individual ASTM test methods.D3306 0935.5 If necessary, the freezing point of prediluted coolantsshall be adjusted with deionized water before proceeding withperformance testing. The freezing point of prediluted ethyleneglycol base coolants (Type III) shall be 36
47、.4C (33.5F) andthat of prediluted propylene glycol base coolants (Type IV)shall be 31.0C (23.8F).5.6 Adjusted, prediluted engine coolant performance testsolutions shall be prepared as described in Table 3, FootnotesB through F.6. Keywords6.1 engine coolant; engine coolant concentrate; ethyleneglycol
48、; light duty engine coolant; prediluted engine coolant;propylene glycolAPPENDIXES(Nonmandatory Information)X1. COOLING SYSTEM MAINTENANCEX1.1 Filling the Cooling System:X1.1.1 Before installing engine coolant, the cooling systemshould be inspected and necessary service work completed.X1.1.2 Cooling
49、system fill should consist of coolant con-centrate and water or prediluted glycol base engine coolant (50volume % minimum).X1.1.3 When preparing solutions, the water should be ofsuch quality that it does not contain excessive solids, hardnesssalts, sulfates, or chlorides. In the absence of specific recom-mendations from the engine or vehicle manufacturer, see TableX1.1. Contact your local water department, the responsiblegovernment agency, or submit a water sample for analyses, ifthere is a question on water quality.X1.1.4 The recommended coola
