ASTM D3002-2002(2007) Standard Guide for Evaluation of Coatings Applied to Plastics《评定塑料涂覆层的标准指南》.pdf

1、Designation: D 3002 02 (Reapproved 2007)Standard Guide forEvaluation of Coatings Applied to Plastics1This standard is issued under the fixed designation D 3002; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revis

2、ion. 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 guide is intended for the evaluation of clear andpigmented coatings designed for use on rigid or semirigidplastic substrat

3、es. 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-bil

4、ity of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D 522 Test Methods for Mandrel Bend Test of AttachedOrganic CoatingsD 523 Test Method for Specular GlossD 658 Test Method for Abrasion Resistance of OrganicCoatings by Air Blast Abrasive3D 822 Practice for Filtered

5、 Open-Flame Carbon-Arc Expo-sures of Paint and Related CoatingsD 870 Practice for Testing Water Resistance of CoatingsUsing Water ImmersionD 968 Test Methods for Abrasion Resistance of OrganicCoatings by Falling AbrasiveD 1308 Test Method for Effect of Household Chemicals onClear and Pigmented Organ

6、ic FinishesD 1729 Practice for Visual Appraisal of Colors and ColorDifferences of Diffusely-Illuminated Opaque MaterialsD 2199 Test Method for Measurement of Plasticizer Migra-tion From Vinyl Fabrics to LacquersD 2244 Practice for Calculation of Color Tolerances andColor Differences from Instrumenta

7、lly Measured ColorCoordinatesD 2246 Method of Testing Finishes on Primed MetallicSubstrates for Humidity-Thermal Cycle Cracking3D 2247 Practice for Testing Water Resistance of Coatings in100 % Relative HumidityD 3170 Test Method for Chipping Resistance of CoatingsD 3359 Test Methods for Measuring Ad

8、hesion by Tape TestD 3361 Practice for Unfiltered Open-Flame Carbon-ArcExposures of Paint and Related CoatingsD 3363 Test Method for Film Hardness by Pencil TestD 4060 Test Method for Abrasion Resistance of OrganicCoatings by the Taber AbraserD 4141 Practice for Conducting Black Box and Solar Con-ce

9、ntrating Exposures of CoatingsD 4587 Practice for Fluorescent UV-Condensation Expo-sures of Paint and Related CoatingsD 5031 Practice for Enclosed Carbon-Arc Exposure Testsof Paint and Related CoatingsD 5179 Test Method for Measuring Adhesion of OrganicCoatings to Plastic Substrates by Direct Tensil

10、e TestingD 6695 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 coati

11、ng system on a given plastic substrate.3.2 Plastic substrates vary widely in their acceptance char-acteristics for a given coating.NOTE 1Not 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.

12、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.1This guide is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings, Materials, and Applica

13、tions and is the direct responsibility ofSubcommittee D01.55 on Factory Applied Coatings on Preformed Products.Current edition approved July 1, 2007. Published July 2007. Originally approvedin 1971. Last previous edition approved in 2002 as D 3002 02.2For referenced ASTM standards, visit the ASTM we

14、bsite, 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.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959

15、, United States.4.2 Preparation of test samples shall include any cleaning,metallizing, or priming operations agreed upon between theproducer and the user.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 Substra

16、tes5.1 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

17、PropertiesCoating Film46.1 Color:6.1.1 Pigmented (on Dry Film)Evaluate color differencesvisually in accordance with Practice D 1729 and instrumentallyin accordance with Practice D 2244.6.2 Gloss:6.2.1 Test in accordance with Test Method D 523.6.3 Hardness:6.3.1 Test in accordance with Test Method D

18、3363 (deter-mining film hardness using pencil test).6.4 Adhesion:6.4.1 Test in accordance with Test Methods D 3359 for tapeadhesion.NOTE 2Test Methods D 3359 may be used to test the adhesion oforganic coatings on plastic substrates. However, read X1.4 in thecommentary at the end of Test Methods D 33

19、59 and Reference 7 forprecautions to observe.6.4.2 Test in accordance with Test Method D 5179 direct fortensile adhesion.6.5 Abrasion Resistance:6.5.1 Test in accordance with Test Method D 658 for airblast abrasion resistance.6.5.2 Test in accordance with Test Methods D 968 forfalling (abrasive) res

20、istance.6.5.3 Test in accordance with Test Method D 4060 for Taberabrasion resistance.6.5.4 Test in accordance with Test Method G99for Pin-on-Disk abrasion resistance.6.6 Resistance to Chipping:6.6.1 Test in accordance with Test Method D 3170 forchipping resistance.6.7 Flexibility and Elasticity:6.7

21、.1 Test in accordance with Test Method D 522 for man-drel bend flexibility.7. Durability/Environmental Properties47.1 Resistance to Plasticizer Migration:7.1.1 Test in accordance with Test Method D 2199 forplasticizer migration.7.1.2 Time and temperature may be varied as agreed uponbetween the produ

22、cer and the user.7.1.3 If migration from a plastic substrate into a coating isbeing determined, the vinyl contact pad should be omitted.7.2 Resistance to Temperature-Humidity Cycling:7.2.1 Test in accordance with Test Method D 2246 forhumidity-thermal cycle cracking.7.3 Humidity Resistance:7.3.1 Tes

23、t in accordance with Practice D 2247 for humidityresistance.7.4 Water Immersion:7.4.1 Test in accordance with Practice D 870 for waterimmersion resistance.7.5 Resistance to Household Chemicals:7.5.1 Test in accordance with Test Method D 1308.7.6 Weather Resistance:7.6.1 For outdoor exposure testing,

24、 expose in accordancewith Practice D 4141. The type of exposure (Procedure A orProcedure B), duration of test and maximum acceptableappearance change shall be agreed upon between the producerand the user.7.6.2 For accelerated weather testing, expose in accordancewith either Practice D 822, D 3361, D

25、 5031, D 4587,orD 6695. The practice to be used, duration of test and maximumacceptable appearance shall be agreed upon between theproducer and the user.8. Report8.1 Report the appropriate results for each test as specifiedby the appropriate test method.9. Precision9.1 The precision of this guide is

26、 as specified in theindividual test methods cited.10. Keywords10.1 coatings for plastics; plastic substratesASTM 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 t

27、hat 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 reapp

28、roved 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

29、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 International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual r

30、eprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).4In cases where alternate test methods (that is, A, B, C, etc.) are listed, use theappropriate test method for the application.D 3002 02 (2007)2