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1、印前技术宝典3（Prepresstechnologycollection3）Accordingtothedifferentuseofpaper,itcanbedividedintoindustrialpaper,packagingpaper,livingpaper,culturalpaperandsoon.Amongthem,culturalpaperincludeswritingpaper,artdrawingpaperandprintingpaper.Inprintingpaper,accordingtotheperformanceandcharacteris
2、ticsofthepaperaredividedintonewsprintandletterpressprintingpaper,offsetprintingpaper,coatedpaper,dictionaryandseamapdrawing,painting,printingpaper,newspaperweeklynewspaper,whitepaper,writingpaper.Inaddition,somehigh-gradeprintsarealsowidelyusedinartdrawingpaper.Newsprintnewsprint:main
3、lyusedfornewspapersandsomebooksandletterpressprinting,papersoft,richelasticplastic,inkabsorptionability,havecertainmechanicalstrength,suitablefordifferentkindsofhigh-speedrotaryprintingmachine.Thispaperismadeofwoodpaddleasrawmaterial,containingmoreligninandimpurities.Thepaperiseasytoy
4、ellow,crispandwaterresistant,soitshouldnotbepreservedforalongtimeLetterpresspaper:Thisisaspecialpaperusedinletterpressprinting,paperpropertiesofnewsprint,waterresistance,colorpurity,thepapersurfacesmoothnessisnewsprintslightlybetterinkabsorptionismoreuniform,butstronginkcapacitythanne
5、wsprinttothepoor.Offsetprintingpaper,offsetprintingpaperforoffset(offset)isakindofprintingpaper,isdividedintosingle-sidedoffsetpaperandoffsetpapersurfacetwo,single-sidedoffsetpaperismainlyusedforprintedposters,packagingboxes;two-sidedoffsetpaperismainlyusedforprintingpictures,pictures
6、etc..Offsetpaperclosely,scalabilitysmall,antiwaterability,caneffectivelypreventthedeformationofthepaper,multicoloroverprintdislocation,napping,sheddingandotherillnesses.Itcanmaintaingoodqualityandpurityofprintedmatter.Offsetcoatedpaper:alsoknownascoatedpaper,paperiscoatedwithalayerofi
7、norganiccoatingsbyasuperpressurelightmadeofhigh-gradepaper,papersurfacesmooth,highpurity,printingcangetmoredetailedandsmoothnetwork,canreproducetheoriginallayered,widelyappliedtoartpictures,brochures,leafletsandotherbusiness.Gravureprintingpaper:gravureprintingpaperiswhiteandstrong,wi
8、thgoo
