Ntawv luam tawm cov khoom siv kho qhov muag thiab cov qauv kev sim rau kev luam ntawv
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Nyob rau hauv xyoo tas los, Tuam Tshoj tus ntawv kev lag luam tau tsim sai heev. Tag nrho cov zis thiab tag nrho cov khoom ntawm cov ntawv thiab cov ntawv qhia tau thib ob hauv lub ntiaj teb, thiab tau ua tiav cov qauv kev ua tiav. Ntawm lawv, kev cai lij choj teb chaws txoj cai, ntsuas txoj cai thiab cov khoom pov thawj ntawm cov khoom muaj peb txoj cai uas yuav tsum tau ua raws li cov khoom muag thiab kev muag khoom ntawm cov ntawv.
Lub teb chaws Suav ntawv cov qauv kev lag luam muaj xws li lub teb chaws cov qauv, cov qauv kev lag luam thiab cov txheej txheem kev lag luam. Raws li qhov muaj feem xyuam ntawm daim ntawv sau npe, muaj cov qauv kev cai, cov qauv kev ua haujlwm ntawm cov khoom ua tau zoo thiab cov khoom pov thawj ntawm cov qauv hauv cheeb tsam, thiab cov ntaub ntawv pov thawj kev soj ntsuam thiab kev soj ntsuam cov ntaub ntawv tshwj xeeb ntsuas cov kev lag luam. Raws li kev sib tw ua qauv ntawm Suav teb cov ntawv xov xwm, luam tawm ntawv luam tawm tau muab faib ua ob pawg: cov ntawv tsis muaj ntawv thiab daim ntawv coated. Publishing cov ntaub ntawv siv ntau qhov loj hauv kev lag luam luam, xws li cov ntawv xov xwm, ntawv luam muag ntawv muag, ntawv muag ntawv, ntawv luam ntawv, ntawv luam ntawv, thiab lwm yam. coated paper, low-quantity coated paper, casted coated paper, etc. hoob. Cov khoom siv kho qhov muag ntawm cov ntawv yog raws li txoj cai ntawm kev kho qhov muag. Whiteness, chromaticity, opacity, thiab lwm yam yog cov diffuse tus yam ntxwv ntawm daim ntawv. Glossiness thiab luam ntawv ci ntsa iab yog cov qauv kev xav ntawm daim ntawv. Tsab xov xwm no tsom mus rau cov khoom siv ntawm qhov muag dawb ntawm qhov muag, chromaticity, opacity thiab lwm yam qauv xeem ntawv luam tawm ntawv luam tawm.
Kev kho qhov muag
Whiteness
Raws li paub zoo rau txhua tus, daim ntawv dawb yuav qhia tau tseeb thiab teeb meem kom pom cov xim ntawm daim duab kom zoo, txhim kho qhov sib txawv thiab meej meej ntawm cov ntawv nyeem, ua qhov kev nthuav tawm zoo nkauj thiab cov yeeb yuj, thiab ua tau zoo ntawm cov duab thiab cov ntawv nyeem. Qhov siab dua tus dawb ntawm daim ntawv, qhov ntau qhia tau tias qhov no tshwm sim. Txawm li cas los xij, lub ntsiab lus dawb yuav tsum tsis txhob siab dhau lawm, txwv tsis pub lub teeb pom kev zoo yog qhov muaj zog, qhov muag pom kev ntawm lub paj hlwb yog ib qho dhau heev lawm, thiab nws yog qhov yooj yim ua rau kev qaug zog. Yog li, cov ntawv luam ntawv tsis yog dawb li sai tau. Ntxiv mus, qhov tseem ceeb ntawm cov ntaub ntawv luam ntawm cov ntawv luam tawm txawv tsis zoo ib yam. Nws tau tshaj tawm tias Tuam Tshoj Cov Menyuam Cov Ntawv Publishing House, los ntawm kev xav txog kev tiv thaiv qhov pom ntawm cov menyuam, ntau cov phau ntawv siv cov ntawv tsis tshua xim, thiab qee cov phau ntawv txawm siv taum. Ntsuab, lub teeb daj sau ntawv. Heilongjiang Children's Publishing House tseem siv taum ntsuab thiab lub teeb daj sau ntawv; Anhui Children's Publishing House tseem txo tsab ntawv dawb ntawm cov xibfwb qhia ntawv rau 76% -85%. Raws li Ministry of Education, lub ntsiab lus ntawm cov me nyuam cov phau ntawv nyeem yog 75% mus rau 76%.
Txawm hais tias cov ntawv luam ntawv yeej yog dawb los yog ze li dawb, nws muaj xim txawv tshwm sim, qee cov xiav thiab ib txhia yog reddish. Lub hom phiaj yog ua kom qhov kev txiav txim siab pom tshwm dawb, tab sis nws kuj txawv ntawm ib tug neeg rau ib tug neeg. Nyob rau hauv txhua rooj plaub, tib daim ntawv yuav tsum zoo ib yam nyob rau hauv cov xim dawb, zoo tib yam xim, thiab inconspicuous nyob rau hauv cov xim, yog li kom tsis txhob delamination ntawm xim ntawm kev txiav ntawm phau ntawv luam tawm.
2. Qhib
Cov nqi ntawm cov ntawv luam ntawm cov ntawv luam tawm ncaj qha cuam tshuam rau cov luam tawm ntawm cov khoom luam. Daim ntawv luam tawm rau ntau lub hom phiaj yuav tsum muaj kev sib tw txaus txaus, txwv tsis pub qhov tsis ua hauj lwm yuav tsis yooj yim.
3. Gloss
Lub gloss ntawm cov ntawv luam yog ze rau cov qauv kev xav txog ntawm cov ntawv. Lub koob glossing ntawm daim ntawv yog hais txog cov khoom luam tawm ntawm daim ntawv sau nrog ib qho txuj ci uas muaj qis tshaj plaws nyob rau hauv cov zauv cim qub, thiab qhov ci ntawm qhov chaw luam tawm yog ntsuas tom qab ziab, qhia raws li ib feem pua. Feem ntau, qhov gloss ntawm daim ntawv yog siab, lub ci ntawm cov teeb meem luam tawm siab siab, thiab cov ntawv luam tawm yog cov yeeb yam thiab muaj yeeb yuj. Piv txwv, coated ntawv gloss thiab luam ntawv gloss yuav tsum tau muaj tsawg kawg yog 60% thiab 88%.
Optical performance qauv rau txhua hom ntawv
Xov xwm
Lub teb chaws tus txheej txheem GB / T1910-1999 faib cov ntawv pov thawj khoom rau hauv cov khoom zoo, cov khoom ua ntej thiab cov khoom tsim nyog.
1 ci ntsa iab. Brightness tseem hu ua whiteness. Tus qauv qhia meej tias qhov tseem ceeb ntawm cov qib peb qhov tsis muaj qis dua 52%, 50% thiab 48% feem ntau;
2 tus nqi tone siv tus nqi. Nws muaj pov thawj tias peb qib ntawm cov khoom yog raws li L * ≥80.0, a * = - 2.0 ~ + 2.0 thiab b * <10.0 vim="" yog="" lub="" hauv="" paus="" rau="" kev="" tswj="" cov="" xim="" ntawm="" txhua="" lub="">
3 xim txawv △ E *. Qhov xim txawv △ E * ntawm tib daim ntawv, cov khoom zoo tshaj plaws thiab cov khoom qib thib ib yuav tsum tsis tshaj li 2.5 thiab 3.0 feem ntau, thiab cov khoom tsim nyog yuav tsis tau.
4 qhov muaj nuj nqi. Qhov muaj nqis ntawm cov khoom tiav ntawm 45g / m2 ntawv yog 86.0%; daim ntawv ntawm 47g / m2 yog 88.0%, thawj qib thiab cov khoom tsim nyog yog 86.0%; daim ntawv ntawm ≥49g / m2, lub siab yog 90.0%, Cov khoom siv hauv chav kawm thiab cov khoom tsim nyog raug 87.0%.
Tsis tas li ntawd, nyob rau Lub Rau Hli 2002, Lub Koom Haum Xov Xwm Cov Khoom Pab Cov Khoom Siv Cov Ntawv Tshaj Tawm Cov "Cov Ntaub Ntawv Xov Xwm Tshaj Tawm (Cov Neeg Siv] Cov Qauv Tshaj Tawm", uas yog hais txog cov kev ntsuas ntawm kev kho qhov muag, raws li GB / T1910-1999 thiab cov ntawv xov xwm txheej txheem ntawm cov tub lag luam tsim tawm. Nws muaj lub ntsiab lus tias lub ntsiab lus ntawm cov ntawv xov xwm muaj qhov hnyav ntawm 45g / m2 thiab 48.8g / m2 yog ≥56.0%, thiab opacity yog ≥90.0%.
2. Daim ntawv nplaum
Raws li lub teb chaws tus txheej txheem GB / T1033-1995, daim ntawv coated yog muab faib ua A, BI, B-II, C, thiab lwm yam, thiab tus nqi whiteness yog 80.0% tsuas yog rau C thiab thiaj li, thiab qhov peb yog 85.0 %. Tus nqi qis ntawm qhov sib txawv ntawm qhov ntau npaum li cas, 70 mus rau 90 g / m 2 tsis tsawg tshaj li 85.0%, 90 mus rau 130 g / m 2 tsis tsawg dua 90.0%, thiab ntawv muaj ib kab uas hla ntawm ntau tshaj 130 g / m 2 tsis tsawg tshaj 95.0%. Qhov kev ntseeg siab tseem ceeb tib yam rau ntau qib ntawm cov khoom. Lub teb chaws tus qauv tsis muaj kev txwv ntawm tus chroma ntawm cov ntawv coated, tab sis nws yuav tsum tsis muaj qhov sib txawv ntawm qhov xim ntawm cov khoom tib yam.
3. Tshem tawm ntawv luam ntawv
Kev lag luam luam tawm publishing hu offset luam ntawv daim ntawv ob npaug. Nws nquag siv hauv kev lag luam ua Daolin daim ntawv. Nws yog qhia tshwj xeeb rau siv ntau hom xim yaj luam. Qhov kev lag luam hauv lub teeb QB / T1012-1991 nws muab faib ua peb qib: A, B thiab C. Cov ntsiab lus dawb whiteness tsis yog tsawg dua 87.0%, 82.0%, thiab 77.0% feem pua, thiab opacity nws txawv ntawm qhov nyiaj ntawm 60 g / m2, 70 g / m2, 80 g / m2, 80 g / m2, 90 g / m2, 100 g / m2, 120 g / m2, thiab 150 g / Cov nqi ntawm qhov offset ntawm m2 hais tias cov khoom xws li raws li A yog 84.0%, 86.0%, 87.0%, 89.0%, 91.0%, 93.0% thiab 95.0%, feem ntau, thiab cov khoom xws li B thiab C yog cov qis dua cov A thiab cov zoo li. Tsis muaj ib qho yuav tsum muaj rau chromaticity, tsuas yog xim ntawm txhua pawg ntawm daim ntawv yuav tsum zoo ib yam, thiab yuav tsum tsis muaj qhov pom tseeb.
4. Tshawb ntawv phau ntawv
Raws li cov teeb meem kev lag luam qB QB / T1211-1991, cov ntaub ntawv luam tawm tau muab cais tawm rau A, B, thiab C. Cov nqi qis yog A: 70.0% txog 75.0%, B: ≥ 60.0%, thiab C: ≥ 55.0%. Qhov muaj nqis ntawm cov khoom peb qib tau teev, 52g / m2 tsis tsawg tshaj 78.0%, 60g / m2 tsis tsawg tshaj 80.0%; Daim ntawv 70g / m2, A thiab lwm yam khoom tsis yog tsawg dua 82.0%, thiab B thiab C qhwv tsis tsawg tshaj 80.0%. Cov xim yuav tsum zoo ib yam, thiab yuav tsum tsis muaj qhov sib txawv ntawm txhua daim ntawv.
5. Cov ntaub ntawv nyhav nyhav nyhav qis
Tsis tas li ntawd lub npe hu ua LWC, yog tsis muaj kev cai lij choj ntawm lub teb chaws los yog kev lag luam, thiab kev tshuaj xyuas tiav yog feem ntau ua tiav raws li cov qauv kev lag luam los yog cov ntawv cog lus. Nyob rau hauv view ntawm lub fact tias daim ntawv yog haum rau xim luam ntawv, thiab tus nqi freight tsawg, tus nqi luam ntawv yog zoo heev txo, thiab nws tau dav siv chaw lwm qhov. Ntxiv rau rooj sib tham kev thov, qee cov ntaub ntawv uas tau tsim los ntawm qee lub lag luam xws li Shandong Huatai, Quanlin, Chenming, Luohe Silver Pigeon, Yueyang Ntawv, thiab Guangzhou Daim Ntawv muaj qee cov khoom xa tuaj. Nws tau tshaj tawm hais tias cov kev cai tshiab hauv lub teb chaws rau cov ntaub ntawv luam tawm, uas yog raug tsim tawm, yuav tsim cov kev cai thiab cov kev coj ua rau kev ua tau zoo ntawm cov ntawv pov thawj tsawg.
Nyob rau hauv cov qauv txheej txheem luam tawm ntawm cov khoom siv luam tawm ntawm cov ntawv luam tawm: daim ntawv teev lus teb chaws GB / T7973 "Kev txiav txim siab ntawm qhov sib txawv ntawm qhov kev poob siab, ntawv thiab cov duab los qhia (diffuse / vertical method)", GBT7974 "paper and paperboard whiteness determination method" Kev Ntsuas thiab Cov Ntawv Ntsuab Xim Xim "(GB / T7975)" Paper and Cardboard Color Measurement Method (Diffuse / Vertical Method) "thiab GB / T8940.1" Paper and Paperboard Whiteness Measurement Method (45/0 Directional Reflection Method) "tshaj tawm thiab kev siv Nws tau Ntau tshaj li 10 xyoo, qhov kev tshaj tawm thiab kev siv ntawm cov qauv no yog ib qho tseem ceeb ntawm kev ua haujlwm cov ntawv ntsuas ntawm kev ua haujlwm, kev txhim kho daim ntawv ua haujlwm ntawm kev siv tshuab, siv qhov kev paub txog kev paub xim ntawm colorimetry, thiab cov khoom tsim. kev soj ntsuam ntawm luam tawm cov ntaub ntawv luam tawm uas muaj kev cuam tshuam cov teeb meem.