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How to classify the book printing paper?<br><br>The printing methods are different, and the corresponding paper must be selected according to the requirements and characteristics of the use and printing process.<br>To print an item, you must first clarify what paper is needed to display the effect of the item as best as possible. There are many Chinese printers. They have a professional printing team that can provide customers with a one-stop service from paper selection to printing completion, binding and transportation.
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How to classify the book printing paper? Theprintingmethodsaredifferent,andthecorrespondingpapermustbe selectedaccordingtotherequirementsandcharacteristicsoftheuseand printing process. Toprintanitem,youmustfirstclarifywhatpaperisneededtodisplaythe effectoftheitemasbestaspossible.TherearemanyChineseprinters.They haveaprofessionalprintingteamthatcanprovidecustomerswithaone-stop servicefrompaperselectiontoprintingcompletion,bindingandtransportation. Thefollowingisadetailedexplanationofseveralclassificationsofbook printing paper by Chinese printer, I hope it will be helpful to you. Letterpress paper Toppanpaperisthemainpaperusedwhenprintingbooksandmagazines.Itis suitableforthemaintextofimportantworks,scientificandtechnological books,academicjournalsandtextbooksofcollegesanduniversities. Letterpresspapercanbedividedintofourlevels:No.1,No.2,No.3,andNo.4 accordingtothedifferentdistributionratiosofpapermaterials.Thenumberof paperrepresentsthequalityofthepaper.Thelargerthenumber,theworse the paper quality. Letterpressprintingpaperismainlyusedforletterpressprinting.The propertiesofthispaperaresimilartonewsprint,butnotexactlythesame.The fibrousstructureofreliefpaperisrelativelyuniform,andthegapsbetweenthe fibersarefilledwithacertainamountoffillersandsizingmaterials,andhave beenbleached,whichformsthepaperhasabetteradaptabilitytoprinting. Althoughitsinkabsorptionisnotasgoodasnewsprint,ithasthe characteristicsofuniforminkabsorption;waterresistanceandpaper whiteness are better than newsprint. Newsprint Newsprintisalsocalledwhitenewspaper,whichisthemainpaperusedin newspapersandbooks.Itissuitablefortextpaperssuchasnewspapers, periodicals,textbooks,comicstrips,etc.Thecharacteristicsofnewsprintare asfollows:thepaperislooseandlight,hasgoodelasticity,andhasgoodink absorptionperformance,whichensuresthattheinkcanbebetterfixedonthe
paper.Afterthepaperiscalendered,bothsidesaresmoothandlint-free,sopaper.Afterthepaperiscalendered,bothsidesaresmoothandlint-free,so thattheprintonbothsidesisclearandfull;ithasacertainmechanical strength; it has good opacity; it is suitable for high-speed rotary printing. This paper is produced with mechanical woodpulp(or other chemical pulp) as rawmaterials,andcontainsalargeamountofligninandotherimpurities,soit isnotsuitableforlong-termstorage.Ifthestoragetimeistoolong,thepaper willturnyellowandbecomebrittle,havepoorwaterresistance,andisnot suitableforwriting.Theprintinginkorbookinkmustbeused,andtheviscosity oftheinkshouldnotbetoohigh.Themoisturecontentoftheplatemustbe strictly controlled during lithographic printing. Offset paper Offsetpaperismainlyusedwhenprintinghigher-levelcolorprintsonoffset (offset)printingmachinesorotherprintingmachines,suchascolorpictorials, picturealbums,posters,colorprintingtrademarks,andsomeadvancedbook covers, illustrations, etc. Offsetpaperisdividedintospecialgrade,No.1,No.2andNo.3accordingto the ratio of paper pulp. There are single-sided and double-sided, and there are two grades of super calender and ordinary calender. Offsetpaperhassmallelasticity,uniforminkabsorption,goodsmoothness, tightandopaquetexture,goodwhiteness,andstrongwaterresistance. Conjunctivaloffsetprintinginksandbetterqualityleadprintinginksshouldbe used.Theviscosityoftheinkshouldnotbetoohigh,otherwisethe phenomenonofpowderremovalandfuzzingwilloccur.Alsotopreventdirton the back side, generally use anti-dirt agent, dusting or interleaving paper. Coated paper Coatedpaper,alsoknownascoatedpaper,ismadebycoatingalayerofwhite slurryonthebasepaperandcalenderingit.Thepapersurfaceissmooth,the whitenessishigh,thepaperfiberdistributionisuniform,thethicknessis uniform,theflexibilityissmall,thereisgoodelasticityandthesurfaceis smooth,thewhitenessishigh,thepaperfiberdistributionisuniform,the thicknessisuniform,andtheflexibilityisItissmall,hasgoodelasticityand strongwaterresistanceandtensileproperties,andhasverygoodink absorptionandreceivingstate.Coatedpaperismainlyusedforprintingpicture albums,covers,postcards,exquisiteproductsamplesandcolortrademarks. The pressure should not be too high when printing on coated paper, and offset
printingresininkandbrightinkshouldbeused.Topreventdirtonthebackprintingresininkandbrightinkshouldbeused.Topreventdirtontheback side,addanti-dirtyagent,spraypowderandothermethods.Therearetwo types of coated paper, single-sided and double-sided. Draw newspaper Thetextureofthepaintednewspaperisfinewhiteandsmooth,anditisused to print pictorial newspapers, atlases and posters, etc. Written paper Writtenpaper,alsocalledbookcoverpaper,isthepaperusedforprintingbook covers. Written paper is made of paper with pigments, in gray, blue, beige and other colors. Embossed paper Embossedpaperisspeciallyproducedandakindofcoverdecorationpaper. Thesurfaceofthepaperhasapatternthatisnotveryobvious.Thecolorsare dividedintogray,green,beigeandpink,andaregenerallyusedtoprint monochromecovers.Theembossedpaperiskneeling,andthespineofthe bookiseasytobreakwhenbinding.Whenprinting,thepaperhasalarge curvatureanditisdifficulttofeedthepaper,whichaffectstheprinting efficiency. Contactusfreelytoknowmoreaboutthedetailsofcheapbookprintingservice in China.
