ASTM_D_6943_-_15.pdf

Designation:D694315Standard Practice forImmersion Testing of Industrial Protective Coatings andLinings1This standard is issued under the fixed designation D6943;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.1.Scope1.1 This practice establishes procedures for the evaluationof the resistance of industrial protective coatings to immersionin chemicals.1.2 Linings are a particular type of coating intended forprotection of substrates from corrosion as a result of continu-ous or intermittent fluid immersion.1.3 The values stated in SI units are to be regarded as thestandard.The values given in parenthesis are for informationonly.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 determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C267 Test Methods for Chemical Resistance of Mortars,Grouts,and Monolithic Surfacings and Polymer ConcretesD16 Terminology for Paint,Related Coatings,Materials,andApplicationsD471 Test Method for Rubber PropertyEffect of LiquidsD523 Test Method for Specular GlossD610 Practice for Evaluating Degree of Rusting on PaintedSteel SurfacesD714 Test Method for Evaluating Degree of Blistering ofPaintsD785 Test Method for Rockwell Hardness of Plastics andElectrical Insulating MaterialsD1474 Test Methods for Indentation Hardness of OrganicCoatingsD1734 Practice for Making Cementitious Panels for TestingCoatingsD2200 Practice for Use of Pictorial Surface PreparationStandards and Guides for Painting Steel SurfacesD2240 Test Method for Rubber PropertyDurometer Hard-nessD2583 Test Method for Indentation Hardness of Rigid Plas-tics by Means of a Barcol ImpressorD3359 Test Methods for Measuring Adhesion by Tape TestD3363 Test Method for Film Hardness by Pencil TestD4138 Practices for Measurement of Dry Film Thickness ofProtective Coating Systems by Destructive,Cross-Sectioning MeansD4417 Test Methods for Field Measurement of SurfaceProfile of Blast Cleaned SteelD4538 Terminology Relating to Protective Coating andLining Work for Power Generation FacilitiesD4541 Test Method for Pull-Off Strength of Coatings UsingPortable Adhesion TestersD5139 Specification for Sample Preparation for Qualifica-tion Testing of Coatings to be Used in Nuclear PowerPlantsD5162 Practice for Discontinuity(Holiday)Testing of Non-conductive Protective Coating on Metallic SubstratesD6132 Test Method for Nondestructive Measurement of DryFilm Thickness of Applied Organic Coatings Using anUltrasonic Coating Thickness GageD6577 Guide for Testing Industrial Protective CoatingsD6677 Test Method for Evaluating Adhesion by KnifeD7055 Practice for Preparation(byAbrasive Blast Cleaning)of Hot-Rolled Carbon Steel Panels for Testing of CoatingsD7091 Practice for Nondestructive Measurement of DryFilm Thickness of Nonmagnetic Coatings Applied toFerrous Metals and Nonmagnetic,Nonconductive Coat-ings Applied to Non-Ferrous MetalsD7234 Test Method for Pull-Off Adhesion Strength of Coat-ings on Concrete Using Portable Pull-Off Adhesion Tes-ters1This practice is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.46 on Industrial Protective Coatings.Current edition approved June 1,2015.Published August 2015.Originallyapproved in 2003.Last previous edition approved in 2010 as D6943 10.DOI:10.1520/D6943-15.2For 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 G113 Terminology Relating to Natural and Artificial Weath-ering Tests of Nonmetallic Materials2.2 NACE Standard:3TM 0174-2002 Laboratory Methods for the Evaluation ofProtective Coatings and Lining Materials on MetallicSubstrates in Immersion Service2.3 SSPC/NACE Joint Standards:4SSPC-SP5/NACE 1 White Metal Blast CleaningSSPC-SP10/NACE 2 Near White Blast CleaningSSPC-SP13/NACE 6 Surface Preparation of ConcreteSSPC Protective Coatings Glossary2.4 Other Document:5Coating Encyclopedia Dictionary3.Terminology3.1 The definitions given in Terminologies D16,G113 andD4538 are applicable to this practice.4.Significance and Use4.1 Protective coatings are used on metallic and concretestorage and processing vessels,shipping containers,dams andrail cars to protect the substrate from corrosive attack and toprotect stored materials(cargo)from contamination.Thismethod provi