1、Designation:D575210Standard Specification forSupplemental Coolant Additives(SCAs)for Use inPrecharging Coolants for Heavy-Duty Engines1,2This standard is issued under the fixed designation D5752;the number immediately following the designation indicates the year oforiginal adoption or,in the case of
2、 revision,the year 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 general,physical,chemical,and performance requirements for Supplementa
3、lCoolant Additives(SCAs)at a precharged level in the coolingsystems of heavy-duty engines.NOTE1After precharging,SCAs are customarily used periodically toservice cooling systems at14to13the precharged dosage to compensatefor additives lost through dilution and depletion.1.2 The SCA products meeting
4、this specification are in-tended for use with water,with recommended dilutions ofcoolant concentrates,with prediluted engine coolants,or toupgrade the performance of light-duty engine coolants to meetthe heav-duty requirements of Specification D6210.Enginecoolant products shall be of the low-silicat
5、e type and,ifethylene glycol based,shall meet Specification D4985.Propyl-ene glycol base low-silicate type coolant products may also beused,if these materials meet the chemical and performancerequirements of Specification D4985.1.3 The SCA concentrate,before dissolution,may be ineither liquid,solid,
6、or slurry form.The form is as agreed uponbetween the manufacturer and the user.1.4 The values stated in SI units are to be regarded asstandard.The inch-pound units in parentheses are approximateequivalents provided for information only.1.5 This standard does not purport to address all of thesafety c
7、oncerns,if any,associated with 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.2.Referenced Documents2.1 ASTM Standards:3D512 Test Methods for Chloride Ion In Wa
8、terD516 Test Method for Sulfate Ion in WaterD1119 Test Method for Percent Ash Content of EngineCoolantsD1121 Test Method for Reserve Alkalinity of Engine Cool-ants and AntirustsD1126 Test Method for Hardness in WaterD1193 Specification for Reagent WaterD1287 Test Method for pH of Engine Coolants and
9、AntirustsD1293 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 VehiclesD2570 Test
10、 Method for Simulated Service Corrosion Testingof Engine CoolantsD2809 Test Method for Cavitation Corrosion and Erosion-Corrosion Characteristics of Aluminum Pumps With En-gine CoolantsD3634 Test Method for Trace Chloride Ion in Engine Cool-antsD4327 Test Method for Anions in Water by Suppressed Ion
11、ChromatographyD4340 Test Method for Corrosion of Cast Aluminum Alloysin Engine Coolants Under Heat-Rejecting ConditionsD4985 Specification for Low Silicate Ethylene Glycol BaseEngine Coolant for Heavy Duty Engines Requiring aPre-Charge of Supplemental Coolant Additive(SCA)D5827 Test Method for Analy
12、sis of Engine Coolant forChloride and Other Anions by Ion Chromatography1This specification is under the jurisdiction ofASTM Committee D15 on EngineCoolants and Related Fluids and is the direct responsibility of SubcommitteeD15.07 on Specifications.Current edition approved April 1,2010.Published May
13、 2010.Originallyapproved in 1995.Last previous edition approved in 2005 as D5752-05.DOI:10.1520/D5752-10.2Supporting data have been filed at ASTM International Headquarters and maybe obtained by requesting Research Report:RR:D15-1024.3For referenced ASTM standards,visit the ASTM website,www.astm.org
14、,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West
15、 Conshohocken,PA 19428-2959.United States1 D5828 Test Method for Compatibility of SupplementalCoolant Additives(SCAs)and Engine Coolant Concen-tratesD6129 Test Method for Silicon in Engine Coolant Concen-trates by Atomic Absorption SpectroscopyD6130 Test Method for Determination of Silicon and Other
16、Elements 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 Coolant(50 Volume%Minimum)forAutomobile and Light-Duty ServiceD6472 Specification for Recycled Glycol Base Engine Cool-ant Concentrate for Automobile and Light-Duty ServiceE1177 Specification for Engine Coolant Grade GlycolG32 Test Method for Cavitation