1、Designation:D 5216 98Standard Specification forPropylene Glycol Base Engine Coolant for Automobile andLight-Duty Service1This standard is issued under the fixed designation D 5216;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(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers requirements for propyleneglycol-base engine coolant concentrate.When used at 40 to70%con
3、centration in water,it will function effectively duringboth winter and summer.This material is intended to provideprotection from freezing,boiling,and corrosion in automobileor other light-duty service cooling systems.NOTE1This specification is based on the knowledge of the perfor-mance of engine co
4、olants prepared from new or virgin ingredients.SeeAppendix X3 for more information.1.2 This specification is in the units quoted.The values inparentheses are approximate equivalents given for informationonly.1.3 This standard does not purport to address all of thesafety concerns,if any,associated wi
5、th its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.A specific precau-tionary statement is given in X2.4.NOTE2This specification applies to automobiles and light-
6、dutyservice.A separate specification for a propylene glycol base coolant forheavy-duty engine service is under development.2.Referenced Documents2.1 ASTM Standards:D 512 Test Methods for Chloride Ion in Water2D 516 Test Method for Sulfate Ion in Water2D 1119 Test Method for Ash Content of Engine Coo
7、lantsand Antirusts3D 1120 Test Method for Boiling Point of Engine Coolants3D 1121 Test Method for Reserve Alkalinity of EngineCoolants and Antirusts3D 1122 Test Method for Density or Relative Density ofEngine Coolant Concentrates and Engine Coolants by theHydrometer3D 1123 Test Method for Water in E
8、ngine Coolant Concen-trate by the Karl Fischer Reagent Method3D 1126 Test Methods for Hardness in Water2D 1177 Test Method for Freezing Point of Aqueous EngineCoolants3D 1287 Test Method for pH of Engine Coolants and Anti-rusts3D 1293 Test Methods for pH of Water2D 1384 Test Method for Corrosion Tes
9、t for Engine Coolantsin Glassware3D 1881 Test Method for Foaming Tendencies of EngineCoolants in Glassware3D 1882 Test Method for Effect of Cooling System ChemicalSolutions on Organic Finishes for Automotive Vehicles3D 1888 Test Methods for Particulate and Dissolved Matter,Solids,or Residue in Water
10、4D 2570 Test Method for Simulated Service Corrosion Test-ing of Engine Coolants3D 2809 Test Method for Cavitation Erosion-CorrosionCharacteristics of Aluminum Pumps with Engine Cool-ants3D 3321 Test Method for Use of the Refractometer for FieldTest Determination of the Freezing Point of AqueousEngin
11、e Coolants3D 3634 Test Method for Trace Chloride Ion in EngineCoolants3D 4327 Test Method for Anions in Water by ChemicallySuppressed Ion Chromatography2D 4340 Test Method for Corrosion of Cast AluminumAlloys in Engine Coolants Under Heat-Rejecting Condi-tions3D 4725 Terminology for Engine Coolants3
12、D 5827 Standard Test Method for Analysis of Engine Cool-ant for Chloride and Other Anions by Ion Chromatogra-phy3D 5931 Density and Relative Density of Engine CoolantConcentrates and Aqueous Engine Coolants by DigitalDensity Meter33.General Requirements3.1 Propylene glycol base engine coolant concen
13、trate shallconsist essentially of propylene glycol,and it shall containsuitable corrosion inhibitors,a foam suppressor,and sufficientwater to dissolve the additives.Glycols other than propylene1This specification is under the jurisdiction of ASTM Committee D-15 onEngine Coolants and is the direct re
14、sponsibility of Subcommittee D15.07 onSpecifications.Current edition approved April 10,1998.Published December 1998.Originallypublished as D 5216 91.Last previous edition D 5216 95.2Annual Book of ASTM Standards,Vol 11.01.3Annual Book of ASTM Standards,Vol 15.05.4DiscontinuedSee the 1990 Annual Book
15、 of ASTM Standards,Vol 11.01.1AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTMNOTICE:Thisstandardhaseitherbeensupersededandreplacedbyanewversionordiscontinued.ContactASTMInternational(www.astm.org)
16、forthelatestinformation.glycol may be present,but their combined total must be lessthan 1%.All propylene glycol engine coolants shall conformto the general requirements given in Table 1.3.2 When preparing solutions for actual service,use amunicipal(treated)water,or a low-mineral content well water.If such water is not available,use deionized(demineralized)ordistilled water.This practice will minimize the formation ofhard water scale and prevent the introduction of mineralcomponents,such as chlor
