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1、WHATISTHECORRUGATED?CorrugatedfiberboardorHcombinedboard1'hastwomaincomponents:theliner（面纸）andthemedium（芯纸）.Botharemadeofaspecialkindofheavypapercalledcontainerboard（箱板纸）.Linerboard（瓦楞纸箱外层的高强箱板纸）istheflatfacingthatadherestothemedium.Themediumisthewavy,flutedpaper（楞纸）inbetwee
2、ntheliners.COMMONBOARDSTYLES常用纸板的种类SingleFace:Onemediumisgluedtooneflatsheetoflinerboard.单面纸板：一层芯纸粘接在一层平面箱板纸上。SingleWall:Themediumisbetweentwosheetsoflinerboard・AlsoknownasDoubleFace・单瓦楞纸板：芯纸粘在二层箱板纸之间，也被称为双层纸板。DoubleWall:Threesheetsoflinerboardwithtwomediumsinbetween.双瓦楞纸板：二
3、层芯纸夹在三层面纸z间。（在屮国乂被称为五层瓦楞纸板）TripleWall:Foursheetsoflinerboardwiththreemediumsinbetween.三瓦楞纸板：三层芯纸夹在四层面纸之间。（在中国又被称为7层瓦楞纸板）Flutes楞形Architectshaveknownforthousandsofyearsthatanarch（拱）withthepropercurve（曲线）isthestrongestwaytospanaqivenspace（跨越一个给定的空间）.Theinventorsofcorrugatedfibe
4、rboardappliedthissameprincipletopaperwhentheyputarchesinthecorrugatedmedium（瓦楞芯纸）•Thesearchesareknownasflutes（楞）andwhenanchoredtothelinerboardwithadhesive,theyresistbendingandpressurefromalldirections.Whenapieceofcombinedboardisplacedonitsend,thearchesformrigidcolumns,capabl
5、eofsupportingagreatdealofweight.Whenpressureisappliedtothesideoftheboard,thespaceinbetweentheflutesactsasacushion（垫了）toprotectthecontainer'scontents.Theflutesalsoserveasaninsulator（绝缘体,绝热器，保温层）,providingsomeproductprotectionfromsuddentemperaturechanges.Atthesametime,theverti
6、callinerboardprovidesevenmorestrengthandprotectstheflutesfromdamage・Flutescomeinseveralstandardshapesorfluteprofiles（A,B,C,E,F,etc,）,A-flute（A楞）wasthefirsttobedeveloped.B-flutewasthenextandismuchsmallerthanA-flute.C-flutefollowedandisbetweenAandBinsize.Itisalsothemostcommonl
7、argefluteprofile・E-fluteissmallerthanBandF-fluteissmalleryet.Duetovariancesinflutesizesbetweenmanufacturers,FBAnoIongerpublishesfluteguidelines.Inadditiontothesefivemostcommonprofiles,newfluteprofiles—bothlargerandsmallerthanthoselistedhere—arebeingcreatedformorespecializedb
8、oards.Generally,largerfluteprofilesdelivergreaterverticalcompressionstrengt
