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Cov phau ntawv, raws li lub ntsiab lus, yog cov ntawv tshaj tawm uas siv cov ntawv ua lawv qhov nruab nrab. Rau ntau tus neeg nyeem, qhov kev paub zoo tshaj plaws uas muab los ntawm cov phau ntawv lub cev tseem tsis sib xws los ntawm e-cov phau ntawv lossis e- cov duab kos duab. Raws li Marshall McLuhan cov kev xav hauv xov xwm, cov phau ntawv luam tawm tau muab faib ua "txoj xov xwm" vim lawv qhov kev xav tsis zoo, uas xav tau kev xav ntau dua los ntawm cov neeg nyeem. Cov yam ntxwv no ua rau muaj kev xav tob dua, tshwj xeeb tshaj yog thaum lub sijhawm nyeem ntawv txuas ntxiv xws li cov uas xav tau ntev - cov ntaub ntawv. Txawm hais tias kev nce qib hauv kev siv thev naus laus zis thev naus laus zis, tsis muaj cov cuab yeej siv hluav taws xob tseem tau ua tiav qhov kev xav tau thiab pom kev nplij siab los ntawm cov ntawv ib txwm muaj. Qhov tseem ceeb, tus qauv dub - ntawm - cov ntawv luam tawm dawb ua tiav qhov kev daws teeb meem zoo tshaj 1200 dpi, tshaj qhov muaj peev xwm ntawm cov ntxaij vab tshaus hluav taws xob tam sim no.
Cov khoom tseem ceeb tshaj plaws hauv kev tsim phau ntawv yog ntawv. Kab lus no qhia txog cov ntsiab lus ntawm cov ntawv uas nquag siv hauv kev luam ntawv thiab luam tawm.
Coated ntawv, thoob ntiaj teb hu ua coated printing ntawv, yog hu ua "hmoov ntawv" nyob rau hauv Hong Kong thiab ib ncig ntawm lub cheeb tsam. Nws yog ib daim ntawv tshwj xeeb uas tsim los ntawm kev siv ib txheej ntawm cov xim dawb txheej rau hauv daim ntawv, ua raws li super-calendering. Muaj nyob rau hauv ob qho tib si -sab thiab ob -sab variants, coated ntawv los nrog glossy los yog matte (ntaub-textured) tiav. Nws nta ib tug du nto, siab whiteness, thiab zoo heev number case absorption thiab adhesion zog. Raws li cov txheej txheem txheej txheej, daim ntawv thov txheej txheem, thiab tuab, nws tuaj yeem muab faib ua subtypes xws li ib zaug -coated, ob npaug -coated, daus-coated, thiab tooj liab-coated ntawv.
Cov yam ntxwv tseem ceeb ntawm cov ntawv coated muaj xws li lub zog saum npoo, zoo dua smoothness, muaj zog gloss, thiab txhim khu kev txais tus number case, ua rau nws zoo tagnrho rau siab - cov ntaub ntawv luam tawm zoo. Nws yog dav siv nyob rau hauv fine halftone printing ntawm offset thiab gravure txheej txheem, nrog rau hwm cov duab albums, daim ntawv qhia hnub, thiab illustrated phau ntawv los yog periodicals. Ib qho tseem ceeb tsis zoo yog nws qhov tsis kam rau txheej txheej degradation nyob rau hauv cov huab cua ntub dej - hmoov yuav flake tawm - thiab txwv archival stability.
Matte coated ntawv, lub npe hu ua matte coated printing ntawv, txawv ntawm cov ntawv txheej txheem feem ntau hauv nws qhov txo qis. Thaum cov duab luam tawm zoo li tsis tshua muaj zog, lawv nthuav tawm ntau dua subtlety thiab tonal refinement. Vim nws cov xim zoo tshaj plaws thiab kev ntxhib los mos, matte coated ntawv yog nquag ua haujlwm hauv siab -kawg xim luam ntawv daim ntawv thov. Nws yog mechanically muaj zog thiab tsis tshua muaj deformation dua li cov pa coated ntawv, nrog ntau dua number case absorption peev thiab correspondingly ntau dua cov nqi.
Cov ntawv thov feem ntau suav nrog cov ntawv tshaj tawm khoom kim heev-tshwj xeeb rau cov khoom xws li cov cuab yeej muaj tseeb, kev sau ntawv, kos duab, thiab cov khoom qub- nrog rau cov duab kos duab, cov ntawv xov xwm thaij duab, thiab xaiv cov ntawv tshaj tawm.
Offset paper, yav tas los hu ua "Daolin paper," tau muab faib ua Qib Tshwj Xeeb, Tsis yog. 1, Tsis yog. 2, thiab Tsis yog. 3 raws li cov khoom sib xyaw. Nws nthuav tawm cov neeg kho tshuab siab zog thiab zoo heev printability. Muaj nyob rau hauv ib qho -sab thiab ob npaug- cov ntawv ib sab, nrog rau cov qib super-calendered thiab standard calendered grades, offset paper yog suav tias yog ib qho kev xaiv zoo tshaj plaws rau phau ntawv thiab luam tawm lub sijhawm. Nws tsim cov kev cai nruj hais txog qhov sib txawv, qhov ruaj khov, lub zog nto, thiab pH nruab nrab (me ntsis alkaline rau nruab nrab) los tiv thaiv kev sib cuam tshuam tshuaj lom neeg thaum luam ntawv.
Hom ntawv no qhia tau hais tias tsis tshua muaj elasticity, cov cwj pwm tsis zoo, kev ua haujlwm siab, cov qauv fiber ntau nruj, zoo opacity, superior whiteness, thiab muaj zog tiv taus ya raws. Yog li ntawd, zaj duab xis- tsim cov inks offset lossis siab - cov ntawv xov xwm zoo nrog cov viscosity nruab nrab yog pom zoo kom tsis txhob muaj teeb meem xws li hmoov av lossis linting. Kev tiv thaiv sab nraub qaum kuj tseem yuav tsum tau tiv thaiv los ntawm kev siv cov tshuaj tiv thaiv - offset hmoov, tshuaj tsuag plua plav, lossis cov ntawv sib cais.
Nws yog feem ntau siv rau siab - xim luam ntawv zoo ntawm offset presses thiab lwm yam khoom siv luam ntawv, haum rau cov npog, cov ntawv tseem ceeb, cov ntawv ntxig, cov ntawv xov xwm duab, daim duab qhia chaw, cov ntawv tshaj tawm, cov cim xim, thiab ntau yam khoom ntim.
Daim ntawv dawb yog hais txog ib qho - lossis ntau -ply daim ntawv ua los ntawm cov tshuaj bleached, tag nrho cov ntawv sib koom ua ke thoob plaws hauv nws cov qauv. Nrog lub hauv paus hnyav feem ntau tshaj 150 g / m², nws yog tsim rau luam ntawv thiab ntim daim ntawv thov. Nws cov cwj pwm tseem ceeb suav nrog kev ua haujlwm siab, nruj, huv si, thiab zoo ib yam, ua rau nws tsim nyog rau daim npav lag luam, cov ntawv qhia zaub mov, thiab cov khoom zoo sib xws.
Keeb kwm, cov txheej txheem kev faib tawm tau sib txawv ntawm daim ntawv, cardstock, thiab lub rooj tsavxwm raws li kev sau ntawv. Daim npav dawb muaj qhov yuav tsum tau ua kom dawb huv: Qib A yuav tsum ua tiav yam tsawg 92% whiteness, Qib B tsis tsawg dua 87%, thiab Qib C tsis tsawg dua 82%. Cov kev faib tawm feem ntau suav nrog xiav-dawb ib zaug- lossis ob npaug- daim npav coated, dawb- daim npav rov qab, thiab grey- daim npav rov qab coated.
Dawb cardstock txhais tau hais tias ib daim ntawv tuab, ruaj khov ua los ntawm cov ntshiab, siab -cov ntaub ntoo zoo. Tom qab calendering los yog embossing kev kho mob, nws ua hauj lwm raws li ib tug substrate rau hniav thiab ntim printing. Muab faib rau Qib A, B, thiab C, nrog rau qhov hnyav li ntawm 210 txog 400 g / m², feem ntau yog siv rau daim npav lag luam, caw, ntawv pov thawj, cov cim lag luam, thiab ntim khoom kho kom zoo nkauj.
Pearlescent ntawv nta ib tug heev du, tuab nto nrog muaj zog reflective zog thiab ib tug txawv pearly luster. Cov nyhuv yog tiav los ntawm cov txheej txheem txheej nrog mica thiab titanium dioxide (los yog lwm yam hlau oxides). Txawm li cas los xij, qhov muaj pes tsawg leeg no ua rau cov kua nplaum tsis zoo vim yog lub zog qis ntawm txheej txheej. Ink nyiam kis tsis sib luag thiab qhuav maj mam, ua rau muaj kev pheej hmoo ntawm smudging. Tsis tas li ntawd, cov pearlescent tiav yog qhov tawg yooj yim thiab puas yooj yim thaum ua, ua rau cov nqi ntau dua.
Thawj qhov kev thov ntawm pearlescent ntawv yog nyob rau hauv nws qhov pom kev pom. Cov cheeb tsam loj ntawm cov ntaub ntawv muaj peev xwm txo qis los yog tsis pom qhov ci ntsa iab. Yog li ntawd, kev tsim thiab platemaking yuav tsum txo qis tus number case npog. Cov txiaj ntsig zoo tau ua tiav nrog cov qauv tsim me me uas muaj cov kab zoo, cov qauv, lossis cov ntawv nyeem, uas khaws cov ntawv zoo nkauj thaum hais txog cov ntsiab lus tseem ceeb.
Sulfate daim ntawv, tseem hu ua sulfuric acid hloov daim ntawv los yog tracing parchment, yog ib tug tuab, zaj duab xis -zoo li cov ntaub ntawv uas tsim los ntawm kev ua zoo interwoven cog fibers kom dawb beating nyob rau hauv ib tug ntub lub xeev, tsis muaj sizing los yog fillers. Tom qab ntawd daim ntawv yog muab tso rau hauv 72% concentrated sulfuric acid rau 2-3 vib nas this, yaug nrog dej, kho nrog glycerin, thiab qhuav. Lub npe muab los ntawm sulfuric acid immersion kauj ruam hauv nws cov txheej txheem tsim khoom. Cov ntawv ua tiav yog compact, me ntsis translucent, thiab tiv taus cov roj, dej, thiab noo noo nkag. Nws muaj lub zog ntub dej, qhov ruaj khov, thiab tiv taus tshav ntuj, tshav kub, thiab kev laus. Nws kuj yog sib xws nrog sterilization thiab tshuaj tua kab mob txheej txheem.
Cov ntawv thov suav nrog kev kos duab, CAD plotting (ob qho tib si cwj mem thiab inkjet), luam ntawv electrostatic, laser luam ntawv, kos duab luam tawm, thiab cov ntaub ntawv khaws cia.
Daim ntawv embossed yog ib daim ntawv tshwj xeeb zoo nkauj siv feem ntau rau phau ntawv npog. Nws muaj nyob rau hauv cov xim xws li grey, ntsuab, beige, thiab paj yeeb, thiab feem ntau yog siv rau ib zaug xwb -xim cover printing. Nws lub ntsej muag muaj qhov sib txawv me ntsis concave- cov qauv convex tsim los ntawm kev siv tshuab embossing lossis crinkling txheej txheem siv rau daim ntawv los yog board substrates, txhim khu kev pom thiab tactile qhov tob.
Txawm li cas los xij, daim ntawv embossed yog nkig thiab zoo li nyias nyias hauv kev xav. Thaum lub sij hawm binding, qhov chaw ntawm tus txha caj qaum yog nquag tawg. Hauv kev luam ntawv, nws qhov siab tawv ua rau muaj teeb meem pub mis, cuam tshuam rau kev sau npe raug thiab tag nrho kev luam ntawv zoo.
Ovis, lub npe hu ua Ovis Premium Sab Hauv Ntawv, ntiav cov txheej txheem txheej txheem uas txhim kho qhov smoothness. Qhov no ua rau cov xim zoo dua qub thiab zoo tonal gradation thaum luam ntawv, tshwj xeeb tshaj yog nyob rau hauv plaub- xim txheej txheem ua haujlwm, qhov uas nws muab cov duab zoo tshaj plaws.
Txawm hais tias tau muab faib ua ntau pawg ntawm cov ntaub ntawv offset, Ovis txawv nws tus kheej los ntawm nws cov txheej txheem tshwj xeeb, uas ua rau muaj kev xav zoo dua tes thiab txhim kho tactile zoo piv rau cov ntawv offset txheem. Txawm li cas los xij, vim nws tus nqi siab dua, tsuas yog qee qhov kev tshaj tawm tam sim no siv Ovis rau cov nplooj ntawv sab hauv.
