Designation:D7310−11StandardGuideforDefectDetectionandRatingofPlasticFilmsUsingOpticalSensors1ThisstandardisissuedunderthefixeddesignationD7310;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideisintendedtoprovidesuggestedapproachesandcriteriafortheobservationandreportingofdefectsinvarioustypesofplasticfilm,bymeansofanopticalscanningsystem.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlastics3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1defect—forthepurposeofthisguideanyentityinthefilmthatislargeenoughtobedetectedbyanopticalsensorandiseitherpolymericinnatureorcausedbydegradation,externalcontamination,undispersedadditivesorpigments,orsimilarsources.4.SignificanceandUse4.1Defectsinfilmarenotacceptabletotheend-userasthereisareductioninthefitness-for-useinmanyapplications.Thisdocumentisintendedtobeaguidetoassistusersintheinspectionandobservationofdefects.4.2Thisguideisapplicableinalaboratoryenvironmentasaqualitycontrolorasaresearchtool.Itisalsoappropriateforuseinanycommercialprocessusedtoproducefilmincludingcalenderingandsolventcasting.4.3Thisguideisalsosuitableforuseasanevaluationorscreeningtoolformaterialsintendedtobeusedinotherprocesseswheredefectsofthisnaturearealsocritical,suchasfiberspinningandnon-wovens.4.4Theindividualusermustestablishtherelationshipbetweenthecriteriaandacceptanceforfitness-for-useandtheobserveddefects,asitvariesbypolymerandapplication.Thisisattainedbythecollectionofdataoveratime-periodtoestablishac...
