Offset Ntawv: daim ntawv thov thiab ntau yam

Offset ntawv yog ib qhov khoom uas yog feem ntau los tsim ua piv txwv ntawv nyeem ntawv thiab luam ntawv duab khoom. Lub ceev ntawm daim ntawv rau offset printing yog hom twg los ntawm 60 mus rau 220 g / m. Feem ntau cov khoom yog positioned raws li siab zog ntawv, ua los ntawm ntshiab cellulose nrog rau lub xam nrog ntawm sis plawv hniav, uas muaj kuj mus deformation nyob rau hauv tus ntawm noo noo.

Txij li thaum lub offset ntawv siv nyob rau hauv lub printing kev lag luam, ces nws zoo ntawm nruj uas yuav tsum tau, uas yog vim printing tshuab. Qhov tseem ceeb tshaj tsis muaj xws li cov rigidity, lub dag lub zog, sizing, absorbency thiab seem stability thaum lub sij hawm co.

Rau offset printing tshuab los xij nyob rau hauv kev sib cuag nrog cov roj hmab hniav uas yuav tsum tau ib yam khoom uas tsis yog lub yam ntxwv txhua yam khoom. Yuav kom nce lub dag lub zog ntawm cov khoom thaum lub sij hawm siv thiab ua, thiab txo nws pylimost vyschipyvaemost. Rau no nto tsuas tshwj xeeb pes tsawg leeg, nyob rau hauv uas ib tug additive ntxiv thiab fillers.

Siv offset ntawv sizing yuav paub dej kuj. Lub cellulose fibers yog tsis nkag txeem tau cov dej, tab sis nws tsis tiv thaiv kom txhob lub consolidation thiab number case haum. Nyob rau hauv hauv paus ntsiab lus, lub haum yog lub tseem ceeb tshaj plaws vaj tse ntawm cov khoom. Yog hais tias cov ntawv txheeb yog waterproof, uas ya raws peev xwm tsis txeem mus rau hauv cov xim muaj hlau thiab yuav nyob twj ywm rau cov roj hmab daim ntaub luam ntawv apparatus. Yog hais tias cov tsis pub tshaj tus nqi ntawm haum, cov khoom yuav pib tau txais cov xim vim hais tias cov pam lub tog raj kheej thiab ua softening ntawm tus nto txheej.

offset ntawv siv nyob rau hauv cov phau ntawv. Nws tau pom daim ntawv thov nyob rau hauv zus tau tej cov catalogs, leaflets, ntawv nthuav qhia, flyers thiab lwm yam promotional thiab advertising cov ntaub ntawv. Nyob rau hauv tas li ntawd, cov khoom siv rau lub xov xwm ntawm dub-thiab-dawb thiab xim ntawv xov xwm thiab cov phau ntawv Magazine.

Cov kev pab cuam lub neej nyob rau hauv lub offset ntawv sis plawv hniav cov ntsiab lus. Zus tau tej cov periodicals zoo siv los xij nrog ib tug cov ntsiab lus ntawm cov tshuaj yuav tsum tsis txhob ntau tshaj 75 feem pua. Rau qhov kev tso tawm ntawm cov ntawv luam khoom uas yuav tsum tau ntev txee lub neej, yuav tsum tau muas woodfree cov ntaub ntawv.

Offset daim ntawv, tus nqi yog siab tshaj lwm yam zoo xws li cov, muab faib mus rau hauv coated, cartographic, newsprint thiab offset. Rau luam xim ntaub ntawv nrog Halftone lus piv txwv txog lub neej ntev ntaub ntawv siv, ua los ntawm bleached ntshiab cellulose.

Tsis tas li ntawd, daim ntawv no yuav muab faib mus rau hauv hom. Qeb "A" yog siv rau zus tau tej cov ntaub ntawv, nrog rau cov nruab nrab ntev ntawm validity. Mark "B" yog siv rau zus tau tej cov khoom nrog ib tug yooj yim xim kev sib cais thiab txo brightness. Rau lub chaw ua khoom ntawm high-qib cov ntaub ntawv siv offset ntawv muaj zoo zoo nrog nce tawg ntev.

Coated los xij yuav muaj ob qho tag nrho ib thiab ob-mog txheej, qhov nruab nrab smoothness, zoo whiteness thiab kuj mus de. Qhov no hom ntawm cov ntaub ntawv uas yog feem ntau siv los tsim ua piv txwv khoom.