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首页 出口水果用瓦楞纸箱

出口水果用瓦楞纸箱.doc

出口水果用瓦楞纸箱

豪放的含泪回忆呐过去
2018-12-23 0人阅读 举报 0 0 暂无简介

简介:本文档为《出口水果用瓦楞纸箱doc》,可适用于社会民生领域

出口水果用瓦楞纸箱Packagingmaterialsallovertheworldinthefruitbox,bamboobasket,hardplasticandfoam,cardboardorcorrugatedcardboardCorrugatedcartonisthemostwidelyusedpackingmaterialduetoitscharacteristicsCorrugatedpaperboardhastwolayersofcorrugatedpaperboard,threeplycorrugatedcardboardandfiveplycorrugatedcardboardTwoplycorrugatedboardreferstoaliningboardandacorrugatedbasepaperItisusedonlyasspacerandpaddinginfruitpackingThreeplycorrugatedboard,alsoknownassinglecorrugatedcardboard,twolayersofcartonpaper,amiddlelayerofcorrugatedpaper,usuallyusedforinternalpackaging,alsousedforgridpanelsorlayeredpadFiveplycorrugatedboardisalsocalleddoublecorrugatedcardboard,threelayerboxboardpaperissandwichedwithtwolayersofcorrugatedbasepaperFiveplycorrugatedboxeshavegoodcompressivestrengthandareusuallyusedforexportpackingInthedesignoffruitwithcorrugatedcarton,weshouldnotonlyconsiderthefruit,alsototakeintoaccounttherequirementsofthemarket,suchasquantity,qualityofmaterials,andthemethodofcombination,includingpackaging,packing,handlingandpackaging,palletstackingandotherspecificissuesThewidthandheightofcorrugatedwallwillaffectthepressureofcorrugatedpaperboard,antiflatstrength,edgecompressivestrengthandrupturestrengthAtypecorrugatedandCcorrugatedbecauseofhighcompressivestrengthandstiffness,aswellasbettercushioningproperties,suitableforfruitpackagingEcorrugatedismainlyusedinsmallfoldingcartons,whichprovideaflatsurfaceforhighqualityprintingandmarkingpatternsTheouterliningpaperrequiresahightensilestrength,whiletheinnerliningpaperneedsagoodstiffnessRecycledpaperischeaperthanimportedpaper,butitstensilestrengthislowerStarchadhesivesareidealforpackagingunderhighhumidityconditionsAllexportpackagesmustusewaterproofadhesivesWaterproofadhesivesareessentialtopreventdelaminationandpackagingfailureofpaperboardSpecialwaterproofadhesivescanbeobtainedbyaddingwaterproofchemicalstothestarchTheverticalpressureisusuallyoneofthemostimportantaspectsofthestackinginfruitpackingThebottomoftherupturewillnotonlydamagethepackagedfruit,willalsomakethewholepackagespreadout,sothereisasufficientnumberofverticalcorrugatedcardboardboxesatthetopandside,willhavesufficientcompressivestrengthPalletsarewidelyusedinmanycommodities,includingfruitpackaging,inmanydevelopingcountriesPackagestackingtraycanformasuitableformechanizedhandlingofcontainercargoTheadvantagesofhandlingpallets,packingisthatthelaborcostofhandlingisgreatlyreducedreducingtransportationcostsisconducivetotheprotectionofgoodsandreducelossessuitableformechanizedhandling,fastbyincreasingthestacking,storagespacecanbeutilizedeffectively,butalsopromotetheuseofpalletwidestandardsizeTraditionalpalletsareusuallymadeofwoodandarenowmadeofcardboard,plastic,metal,ormixedmaterialThesimplestwoodpalletsaredesignedforforklifttrucks,twointotheforkandfourintotheforkintwostylesFouritisdifficulttomanufacturepalletpallet,butitismorenecessaryforthecarrierandthemarketManycountries,includingallEuropeanandNorthAmericancountries,useinternationalstandardpalletsThesizeofthispalletismeters*meters,andotherwidelyusedtraysaremetersxmetersandsquaremeters*meters,twokindsMarinerefrigeratedcontainersareoftenusedinfruitexportsEffectivespaceuseincontainerspreventshighshippingcostsShippingcontainershavestandardactualsizes,ormeterslong,meterswide,metershighormetershighTheinternaldimensionsvarywiththestructure,method,andrefrigerationequipmentTheminimuminternalwidthismeters,whichmakesanypalletsystemavailableLoosepackagingcanbestackedinthetopspaceandvarieswiththestructureofthecontainerIfthepackagesarestackedloosely,theyshallbesuitableforMarineContainers,suitableformetersquarepallets,andthepackagingdesignedforthispalletshallalsobecapableofcarryingMarineContainers,withaminimumwidthofmetersUsuallyaccordingtosomeoftheimporter'sfavoritepackaging,tounderstanditsimportpackagingperformance,andinlinewiththeneedsofretailersThenetweightisveryimportant,andsometimesthesizeofthepackingmustbechangedtoconformtotheweightrequirementYearsofexperiencehaveprovedthattheratiooflengthtowidthis,whichismostacceptabletotheimporterTheratiooflengthtowidthiscloseto,whichisnotonlyunwelcomeinappearance,butalsodifficulttoapplytopalletsAlso,thelonghighwidthisofthepackage,althoughmostmaterials,butisnotstableintheduimaThisaddstotheproblemsoftransportationandstorageSoit'snotpracticaltothinkaboutmaterialsavingsonlyThepackingoffruitshouldconformtothepackingmechanization,sothecartonmustbedesignedaccordingtotherequirementofthemachineThecaseofmachinepackingisgenerallylargerthanthecasebyhandAircirculationcanreducethetemperatureoffruits,sothecorrugatedboxeswhicharepackedwithfruitsusuallyopentheporesAirthroughtheventcanalsopreventthefruitintheprocessofoxidationheatgenerationVentsareimportantforcoldstorageoffruits,especiallycompressedairVentspromoteethyleneproductionfromfruit,buttheconversionofoxygenandcarbondioxideisnotveryimportantBecausethesegasescanbecirculatedthroughcardboardIfaplasticbagisusedinthecartontoreducetheamountofoxygenintheairaroundthefruit,theairventishardlyfunctioningOnthecontrary,highhumidityisgeneratedintheplasticbagtoacceleratethedecayofthefruitThediameteroftheventisusuallymm,andthetotalareaoftheholemustnotexceedoftheentirepackingareaunlesscompressedairisneededIftheremustbeahandliftinghole,KongYingfangintheboxatthetopofthewallventilation,fingerholes,twosmallerspaceaccountedformm,thepressurecausedbymorethanahandliftingholeless,andwillreducetheriskofdamagetofruitfingersThesizeandsizeoftheventshouldbedeterminedbythephysicalconditionsofthefruit,suchastheshapeofthefruitandthestorageconditionsofthecaseThecompressivestrengthofcorrugatedboxesisaffectedbyhumidity,whichiscausedbymanyfactorsButmostlywatervaporintheairOthersources,suchasrainydays,themoistureofthesurfaceofthepackageremovedfromthefreezer,andthemoisturethatevaporatesfromtheinsideofthecartonAsthemoisturecontentinthepaperboardincreases,thecompressivestrengthdecreasesrapidlyTherefore,waterprooftreatmentshouldbeadoptedtokeepthecompressivestrengthofthecaseThesurfacecoatingpreventsrainandpreventscondensation,ButonlyrelativelyreducetheamountofwatervaporabsorptionThecorrugatedcartontreatedbyimpregnationcanpreventwatervaporforalongtime,andcanalsoimprovethecompressivestrengthandstiffness,inparticular,thecompressivestrengthofthepaperboardwithlowweightorpoorqualitycanbeenhanced

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