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Daim ntawv hnyav
Qhov hnyav ntawm daim ntawv yog ncaj qha ntsig txog nws cov thickness. Tshwj xeeb, daim ntawv hnyav yog hais txog qhov loj ntawm ib square meter ntawm cov khoom; Yog li, cov ntawv tuab dua, qhov siab dua nws cov grammage (g / m²). Piv txwv li, ib daim ntawv 90 g / m² qhia tias ib square meter ntawm daim ntawv no hnyav 90 grams. Cov ntaub ntawv nyob rau hauv qhov no feem ntau yog siv rau hauv chaw ua haujlwm tshuab luam ntawv thiab tshuab luam ntawv.
Rau cov ntaub ntawv uas xav tau kev xav ntau, cov ntaub ntawv nrog grammage ntawm 90 lossis 100 g / m² raug pom zoo. Raws li grammage nce siab tshaj 150 g / m², daim ntawv yuav nce zuj zus. Ib daim ntawv 200 g / m² muaj qhov sib npaug ntawm kev nruj thiab kev yoog raws thiab tsim nyog rau cov ntawv thov uas xav tau kev ua haujlwm ntev yam tsis muaj kev cuam tshuam. Feem ntau cov tshuab luam ntawv inkjet thiab laser tuaj yeem ua raws li daim ntawv mus txog 224 g / m² hauv thickness.
Nws yuav tsum raug sau tseg tias qhov hnyav ntawm daim ntawv feem ntau txo qis, uas tuaj yeem cuam tshuam rau kev noj zaub mov hauv cov khoom siv luam ntawv thiab, yog li ntawd, luam ntawv efficiency.
Daim ntawv dawb
Daim ntawv dawb yog ntsuas siv CIE Whiteness Index. Tus nqi CIE siab dua qhia tias muaj xim dawb ntau dua, ua rau pom kev zoo dua luam tawm, txhim kho qhov sib txawv ntawm cov xim luam tawm, thiab cov ntawv nyeem zoo dua hauv cov zis monochrome.
CIE hauv qab no 159:
Classic dawb - feem ntau tsim nyog rau cov ntaub ntawv sab hauv, luam ntawv, faxes, thiab cov ntawv sau.
PIB 159–163:
Nruab nrab mus rau siab whiteness - muab qhov zoo sib xws thiab luam tawm clarity, feem ntau siv rau kev luam ntawv hauv chaw ua haujlwm thiab phau ntawv tuav.
CIE 164 thiab siab dua:
Hwm dawb - muab kev pom zoo zoo tshaj plaws thiab pom zoo rau siab - cov ntaub ntawv cuam tshuam xws li kev cog lus, kev nthuav qhia, siab - cov duab daws teeb meem, thiab ob npaug - sab luam ntawv.
Daim ntawv hnyav kev faib tawm
Cov ntawv tawv nce nrog grammage, thaum qis dua - cov ntawv hnyav dua thiab hloov tau yooj yim dua. Yog li ntawd, kev xaiv ntawm daim ntawv hnyav yuav tsum ua raws li qhov xav tau ntawm cov ntaub ntawv siv.
Tsawg grammage (65-75 g / m²):
Feem ntau siv rau kev sau ntawv thiab cov tub ntxhais kawm ua haujlwm. Cov ntaub ntawv no nyias nyias thiab feem ntau tsis tsim nyog rau ob npaug -sab luam tawm vim muaj peev xwm qhia tau - dhau.
Standard grammage:
80 g / m² yog tus qauv siv dav tshaj plaws rau cov ntawv luam ntawv. Nws yog opaque txaus rau ob -sided luam ntawv thiab muaj kev txhim khu kev qha nyob rau hauv feem ntau cov khoom siv. Txawm li cas los xij, 90 g / m² yog suav tias yog qhov zoo tshaj plaws, muab kev ua kom ruaj khov thiab ua tiav kev tshaj lij.
