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1、印前技术宝典3（Prepresstechnologycollection3）Accordingtothedifferentuseofpaper,itcanbedividedintoindustrialpaper,packagingpaper,livingpaper,culturalpaperandsoon.Amongthem,culturalpaperincludeswritingpaper,artdrawingpaperandprintingpaper.Inprintingpaper,accordingtotheperfor
2、manceandcharacteristicsofthepaperaredividedintonewsprintandletterpressprintingpaper,offsetprintingpaper,coatedpaper,dictionaryandseamapdrawing,painting,printingpaper,newspaperweeklynewspaper,whitepaper,writingpaper.Inaddition,somehigh-gradeprintsarealsowidelyusedina
3、rtdrawingpaper.Newsprintnewsprint:mainlyusedfornewspapersandsomebooksandletterpressprinting,papersoft,richelasticplastic,inkabsorptionability,havecertainmechanicalstrength,suitablefordifferentkindsofhigh-speedrotaryprintingmachine.Thispaperismadeofwoodpaddleasrawmat
4、erial,containingmoreligninandimpurities.Thepaperiseasytoyellow,crispandwaterresistant,soitshouldnotbepreservedforalongtimeLetterpresspaper:Thisisaspecialpaperusedinletterpressprinting,paperpropertiesofnewsprint,waterresistance,colorpurity,thepapersurfacesmoothnessis
5、newsprintslightlybetterinkabsorptionismoreuniform,butstronginkcapacitythannewsprinttothepoor.Offsetprintingpaper,offsetprintingpaperforoffset(offset)isakindofprintingpaper,isdividedintosingle-sidedoffsetpaperandoffsetpapersurfacetwo,single-sidedoffsetpaperismainlyus
6、edforprintedposters,packagingboxes;two-sidedoffsetpaperismainlyusedforprintingpictures,picturesetc..Offsetpaperclosely,scalabilitysmall,antiwaterability,caneffectivelypreventthedeformationofthepaper,multicoloroverprintdislocation,napping,sheddingandotherillnesses.It
7、canmaintaingoodqualityandpurityofprintedmatter.Offsetcoatedpaper:alsoknownascoatedpaper,paperiscoatedwithalayerofinorganiccoatingsbyasuperpressurelightmadeofhigh-gradepaper,papersurfacesmooth,highpurity,printingcangetmoredetailedandsmoothnetwork,canreproducetheorigi
8、nallayered,widelyappliedtoartpictures,brochures,leafletsandotherbusiness.Gravureprintingpaper:gravureprintingpaperiswhiteandstrong,withgoo
