Designation:D4675−14a(Reapproved2022)StandardGuideforSelectionandUseofFlatStrappingMaterials1ThisstandardisissuedunderthefixeddesignationD4675;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.INTRODUCTIONThisguidecoverstwocommoncategoriesofflatstrappingmaterials:steelandnonmetallic.Withineachofthesetwobroadcategoriestherearedistincttypesthatlendthemselvesindifferingdegreestoparticularapplications.Thegoalofthisguideistohelptheuserfocusonthedesiredelementsofperformanceorservice,andtheuniquepropertiesofeachstrappingmaterialinordertojudgewhichofthesestrappingproductsisbestsuitedfortheintendedstrappingapplication.Forfurtherinformation,consultwithyourstrappingsupplier,yourcarrier,andanypackaging/loadingregulationsapplicabletoyourproducts.Itisofparticularimportance,forbothsafetyandsatisfactoryperformance,thattheuserinformsthestrappingsupplierofallintendedusesandusageconditionsthatmaydifferfromindustrycustomandpracticeorfromintendedstrappingapplications.Likewise,theuserneedstoinformthestrappingsupplierofanypracticeoftheuser’scarrierthattheuserbelievesmaydifferfromanyrequirementorrecommendationofthecarrier’sassociationorofanyapplicableASTMorregulatoryprovisions.Theuseralsoshouldinformthestrappingsupplierofthefollowingexpectedconditions:load,unit,orpackagecharacteristics(rigid,expanding,shrinking,orcombination);severityofhandling;natureoftransportequipment;storageconditions(stackingheightandweight);exposuretoenvironmentalconditions;extremetemperatures(particularlyifprolongedoutdoorexposureisanticipated);exposuretochemicals;exposuretoabrasivesurfaces;andexposuretosharporpointedobjectsthatcancausenicks,scratches,orholesinthestrapping.Thereareothermaterialsnotcoveredbythisguide,whichmayalsoofferacc...
