ASTM_D_3002_-_07.pdf

Designation:D300207Standard Guide forEvaluation of Coatings Applied to Plastics1This standard is issued under the fixed designation D3002;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 guide is intended for the evaluation of clear andpigmented coatings designed for use on rigid or semirigidplastic substrates.Coated film and sheeting are not covered bythis guide.1.2 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:2D522 Test Methods for Mandrel Bend Test of AttachedOrganic CoatingsD523 Test Method for Specular GlossD658 Test Method for Abrasion Resistance of OrganicCoatings by Air Blast Abrasive(Withdrawn 1996)3D822 Practice for Filtered Open-Flame Carbon-Arc Expo-sures of Paint and Related CoatingsD870 Practice for Testing Water Resistance of CoatingsUsing Water ImmersionD968 Test Methods for Abrasion Resistance of OrganicCoatings by Falling AbrasiveD1308 Test Method for Effect of Household Chemicals onClear and Pigmented Organic FinishesD1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD2199 Test Method for Measurement of Plasticizer Migra-tion From Vinyl Fabrics to LacquersD2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD2246 Test Method for Finishes on Primed Metallic Sub-strates for Humidity-Thermal Cycle Cracking(Withdrawn1992)3D2247 Practice for Testing Water Resistance of Coatings in100%Relative HumidityD3170 Test Method for Chipping Resistance of CoatingsD3359 Test Methods for Measuring Adhesion by Tape TestD3361 Practice for Unfiltered Open-Flame Carbon-Arc Ex-posures of Paint and Related CoatingsD3363 Test Method for Film Hardness by Pencil TestD4060 Test Method for Abrasion Resistance of OrganicCoatings by the Taber AbraserD4141 Practice for Conducting Black Box and Solar Con-centrating Exposures of CoatingsD4587 Practice for Fluorescent UV-Condensation Expo-sures of Paint and Related CoatingsD5031 Practice for Enclosed Carbon-Arc Exposure Tests ofPaint and Related CoatingsD5179 Test Method for Measuring Adhesion of OrganicCoatings to Plastic Substrates by Direct Tensile TestingD6695 Practice for Xenon-Arc Exposures of Paint andRelated CoatingsG99 Test Method for Wear Testing with a Pin-on-DiskApparatus3.Significance and Use3.1 This guide is designed to set up a series of screeningtests that will indicate the performance level to be expected ofa coating or coating system on a given plastic substrate.3.2 Plastic substrates vary widely in their acceptance char-acteristics for a given coating.NOTE1Not all tests apply to all plastics.3.3 Surface cleaning or preparation prior to application ofthe coating can be critical to the proper performance of thecoating.4.Test Panels and Panel Preparation4.1 Unless directed otherwise,conduct performance tests oncoatings of specified thickness applied to a normally moldedsample of the designated plastic.4.2 Preparation of test samples shall include any cleaning,metallizing,or priming operations agreed upon between theproducer and the user.1This guide is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.55 on Factory Applied Coatings on Preformed Products.Current edition approved Nov.1,2007.Published November 2007.Originallyapproved in 1971.Last previous edition approved in 2007 as D3002 02(2007).DOI:10.1520/D3002-07.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.3 Air-dry or bake the system according to the establishedschedule and aged as agreed upon between the producer andthe user.5.Effect on Substrates5.1 Determine the physical properties of the substrate suchas hardness,tensile strength,flexibility,or surface smoothnessbefore and after applying the coating under test.Select theappropriate tests for the substrate from the appropriate volumesof the Annual Book of ASTM Standards.6.Physical PropertiesCoating Film46.1 Color:6.1.1 Pigmented(on Dry Film)Evaluate color differencesvisually in accordance with Practice D1729 and instrumentallyin a