ASTM_D_6107_-_97_2012.pdf

Designation:D610797(Reapproved 2012)Standard Specification forStop-Leak Additive for Engine Coolants Used in Light DutyService1This standard is issued under the fixed designation D6107;the number immediately following the designation indicates the year oforiginal adoption or,in the case of 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.This standard has been approved for use by agencies of the Department of Defense.1.Scope1.1 This specification covers the requirements of a stop-leakadditive to function effectively in automobile and light dutyservice.The stop-leak is intended to seal small leaks in enginecooling systems without adversely affecting heat transfer andfluid flow.1.2 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.3 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 determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1176 Practice for Sampling and Preparing Aqueous Solu-tions of Engine Coolants orAntirusts for Testing PurposesD1881 Test Method for Foaming Tendencies of EngineCoolants in GlasswareD3147 Test Method for Testing Stop-Leak Additives forEngine Coolants3.Performance Requirements3.1 The following performance requirements of stop-leakadditives must be achieved in order to meet this specification.3.2 The stop-leak additive must be capable of plugging aminimum hole size of 0.254 mm(0.010 in.)and a minimumslot size of 12.7 mm(0.50 in.)long by 0.254 mm(0.010 in.)wide when tested in accordance with Test Method D3147.3.3 The stop-leak additive must not plug a slot size largerthan 12.7 mm(0.50 in.)long by 0.635 mm(0.025 in.)wide.3.4 Fluid removed from the Test Method D3147 stop-leaktest must not leave any residue or particulate matter on thesurface of an ASTM E-11 No.10 sieve,when poured throughthe sieve.3.5 Stop-leak additives passing the tests detailed above mustbe tested for foaming tendency in accordance with the TestMethod D1881.A volume of 150-mL maximum foam isallowable with a break time of 5 s max.The foam test must berun on fluid removed from the apparatus used,at the comple-tion of the Test Method D3147 stop-leak test.3.6 Duplicate test runs must be conducted for each stop-leakadditive tested.Both sets of results are to be reported.Both setsof results must satisfy all the requirements outlined in thisspecification.4.General Requirements4.1 Testing shall be performed according to the methodsdesignated in Test Methods D1881 and D3147.Follow TestMethod D1176 for sampling and preparation of coolant dilu-tions.4.2 The minimum hole and slot plugging requirements mustbe achieved in each of the duplicate tests required.4.3 The stop-leak additive,when installed in a vehiclecooling system in accordance with manufacturers recommen-dations and those on the product label,shall be suitable for usein a properly maintained cooling system without adverselyaffecting heat transfer or fluid flow.5.Keywords5.1 engine coolant;light-duty service;stop-leak1This 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 Dec.1,2012.Published December 2012.Originallyapproved in 1997.Last previous edition approved in 2007 as D6107-97(2007).DOI:10.1520/D6107-97R12.2For 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 Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards,at the address shown below.This standard is copyrighted by ASTM I