Vim tias qhov saum npoo du ntawm cov qauv ntawv muaj cov mica thiab titanium dioxide (lossis lwm cov hlau oxides), lub zog saum npoo ntawm cov ntawv hlaws muaj ntau me dua li cov ntawv dawb ntawv zoo tib yam. Tus number case nws tsis yooj yim los lo thiab nqus thaum luam ntawv thiab tsis yooj yim kom qhuav. Yuav luam tawm ob txoj hauv qab no:
Offset luam ntawv
Pearlescent ntawv feem ntau yog cuam tshuam cov txiaj ntsig zoo ntawm cov ntawv' s pearlescent luster. Yog tias thaj tsam ntawm luam ntawv number case loj, cov nyhuv pearlescent ntawm daim ntawv yuav tsis xav txog, thiab cov nyhuv pearlescent ntawm daim ntawv tau zoo heev los ntawm tus number case txheej. Yog li, peb yuav tsum sim kom tsis txhob muaj cov loj-qhov chaw cov qauv luam ntawv raws li cov yam ntxwv ntawm cov ntawv sau thaum tsim lub phaj. Feem ntau tsim qee cov kab yooj yim, qauv, thiab cov ntawv sau, uas tuaj yeem tsis tsuas qhia txog cov ntsiab lus tseem ceeb ntawm cov ntawv ntim, tab sis kuj qhia tau cov txiaj ntsig zoo ntawm daim ntawv.
Cov pearlescent ntawv ntawm cov ntawv pearlescent yog yooj yim tawg, thiab cov khoom lag luam semi tiav tsis tuaj yeem tiv thaiv kev hloov pauv thiab kev sib txhuam. Yog li ntawd, cov txheej txheem tsim tawm yuav tsum ua kom luv li sai tau, thiab qee qhov txheej txheem sib txuas lus yuav tsum tau muab tshem tawm, tshwj xeeb tshaj yog cov uas muaj phau ntawv koom tes ntau dua. Ib qho uas tuaj yeem luam tawm ib zaug tsis tas yuav tsum tau ua ob zaug, qhov uas tuaj yeem luam tawm los ntawm cov ntawv offset tsis tas yuav tsum luam tawm screen, qhov uas tuaj yeem polished nrog lub tshuab tsis yog off-line polishing, ntawm chav kawm, lub ib qho uas tsis tuaj yeem txiav txim siab tsis txhob yuav tsum tau polished, vim hais tias cov txheej yuav ua rau cov ntaub ntawv tsis muaj zog zoo nkauj Pearlescent effect.
K Ink printing
UV luam ntawv siv ultraviolet kom qhuav, thiab txhua chav luam ntawv yog nruab nrog ultraviolet kom qhuav thaum luam ntawv. Thaum cov UV number case dhau los ntawm lub tshuab ziab khaub ncaws, lub sijhawm ziab yog luv heev nyob rau hauv kev pib ntawm kev yees duab-pab pawg, uas tuaj yeem hais tau kom qhuav sai, kom nws qhuav tag ua ntej nkag mus rau hauv chav luam ntawv ntxiv lossis tau txais txheej txheem Cov. Peb tuaj yeem nce qhov ntim number case thiab txo qhov viscosity ntawm tus number case kom nce tus number case cia nyob rau ntawm daim ntawv hlaws. Tib lub sijhawm, tus number case overprinting kuj tseem" tus qauv qhuav&qhuav; kev sib tshooj ntawm txoj kev, uas tuaj yeem ua rau nce tus nqi overprinting.