1、Designation:D636015(Reapproved 2021)Standard Practice forEnclosed Carbon-Arc Exposures of Plastics1This standard is issued under the fixed designation D6360;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、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 covers specific procedures and test condi-tions that are applicable for exposure of plastics in enclosedcarbon-arc devices co
3、nducted in accordance with PracticesG151 and G153.This practice also covers the preparation oftest specimens,the test conditions suited for plastics,and theevaluation of test results.1.2 This practice does not cover filtered open-flame carbon-arc exposures of plastics,which are covered in Practice D
4、1499.Practice D5031 describes enclosed carbon-arc exposures ofpaints and related coatings.1.3 The values stated in SI units are to be regarded asstandard.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
5、 standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.NOTE1There is no known ISO equivalent to this practice.1.5 This international standard was developed in accor-dance with internationally recognized pr
6、inciples on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1499 Practice for Filtered Open-
7、Flame Carbon-Arc Expo-sures of PlasticsD3980 Practice for Interlaboratory Testing of Paint andRelated Materials(Withdrawn 1998)3D5031 Practice for Enclosed Carbon-Arc Exposure Tests ofPaint and Related CoatingsD5870 Practice for Calculating Property Retention Index ofPlasticsE691 Practice for Conduc
8、ting an Interlaboratory Study toDetermine the Precision of a Test MethodG113 Terminology Relating to Natural and Artificial Weath-ering Tests of Nonmetallic MaterialsG141 Guide for Addressing Variability in Exposure Testingof Nonmetallic MaterialsG147 Practice for Conditioning and Handling of Nonmet
9、al-lic Materials for Natural and Artificial Weathering TestsG151 Practice for Exposing Nonmetallic Materials inAccel-erated Test Devices that Use Laboratory Light SourcesG153 Practice for Operating Enclosed Carbon Arc LightApparatus for Exposure of Nonmetallic MaterialsG169 Guide for Application of
10、Basic Statistical Methods toWeathering Tests3.Terminology3.1 The definitions in Terminology G113 are applicable tothis practice.4.Significance and Use4.1 The ability of a plastic material to resist deterioration ofits electrical,mechanical,and optical properties caused byexposure to light,heat,and w
11、ater can be very significant formany applications.This practice is intended to induce propertychanges associated with end-use conditions,including theeffects of sunlight,moisture,and heat.The exposure used inthis practice is not intended to simulate the deterioration causedby localized weather pheno
12、mena such as atmosphericpollution,biological attack,and saltwater exposure.4.2 CautionVariation in results can be expected whenoperating conditions are varied within the accepted limits ofthis practice;therefore,no reference to the use of this practiceshall be made unless accompanied by a report pre
13、pared inaccordance with Section 9 that describes the specific operatingconditions used.Refer to Practice G151 for detailed informa-tion on the caveats applicable to use of results obtained inaccordance with this practice.NOTE2Additional information on sources of variability and onstrategies for addr
14、essing variability in the design,execution,and data1This practice is under the jurisdiction ofASTM Committee D20 on Plastics andis the direct responsibility of Subcommittee D20.50 on Durability of Plastics.Current edition approved July 1,2021.Published July 2021.Originally approvedin 1999.Last previ
15、ous edition approved in 2015 as D6360-15.DOI:10.1520/D6360-15R21.2For 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.3
16、The 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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Commi
