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紙箱原紙品種、標準對紙箱產品質量和價格會造成什么影響?

分類:常見問答 時間:2020-04-26 10:00:24

不同(tong)(tong)(tong)結構、不同(tong)(tong)(tong)材(cai)質的(de)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang),其價(jia)格(ge)也截(jie)然(ran)不同(tong)(tong)(tong),并且價(jia)格(ge)與原紙(zhi)(zhi)(zhi)(zhi)的(de)品(pin)種、質量(liang)等級關系較大。制作紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)就是(shi)要(yao)根據(ju)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)使用(yong)特點(dian)和(he)運輸條件(jian)確(que)定用(yong)紙(zhi)(zhi)(zhi)(zhi)品(pin)種和(he)質量(liang), 這(zhe)是(shi)保持適度包(bao)裝(zhuang),控制生產(chan)成本(ben)所值得重視的(de)環節。制作紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)原紙(zhi)(zhi)(zhi)(zhi)主(zhu)要(yao)包(bao)括白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)、瓦楞(leng)紙(zhi)(zhi)(zhi)(zhi)、茶板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)、普(pu)通(tong)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)和(he)牛皮掛(gua)面箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)等, 這(zhe)些原紙(zhi)(zhi)(zhi)(zhi)的(de)制作工藝(yi)和(he)材(cai)料上的(de)不同(tong)(tong)(tong),標準也有所差異。

涂布白(bai)(bai)紙(zhi)(zhi)板(ban)有(you)白(bai)(bai)底和(he)灰(hui)底兩種(zhong),質量(liang)(liang)等(deng)(deng)級也有(you)優等(deng)(deng)品(pin)、一等(deng)(deng)品(pin)、合(he)格品(pin)三種(zhong),檢測的項目有(you):水分、定量(liang)(liang)、定量(liang)(liang)偏差、橫幅(fu)定量(liang)(liang)差、緊度(du)(du)(du)、亮度(du)(du)(du)(白(bai)(bai)度(du)(du)(du))、印刷表(biao)面粗糙(cao)度(du)(du)(du)、平滑度(du)(du)(du)、印刷光(guang)澤度(du)(du)(du)、油墨吸(xi)(xi)收性、印刷表(biao)面強(qiang)度(du)(du)(du)、吸(xi)(xi)水性、橫向挺度(du)(du)(du)和(he)塵(chen)埃度(du)(du)(du)等(deng)(deng)。白(bai)(bai)紙(zhi)(zhi)板(ban)是預印紙(zhi)(zhi)箱面紙(zhi)(zhi)的采用材料, 白(bai)(bai)紙(zhi)(zhi)板(ban)的質量(liang)(liang)對紙(zhi)(zhi)箱的印刷和(he)強(qiang)度(du)(du)(du)都有(you)較大的影響。

白(bai)紙(zhi)板(ban)的(de)(de)水分、印(yin)(yin)刷表(biao)面粗(cu)糙(cao)度(du)(du)、平滑度(du)(du)和(he)表(biao)面強度(du)(du)等, 對(dui)印(yin)(yin)刷質量的(de)(de)影(ying)響(xiang)比較敏感, 水分對(dui)印(yin)(yin)刷版面的(de)(de)套(tao)準(zhun)會(hui)有一定的(de)(de)影(ying)響(xiang), 而印(yin)(yin)刷表(biao)面粗(cu)糙(cao)度(du)(du)、平滑度(du)(du)和(he)表(biao)面強度(du)(du)指(zhi)標(biao)對(dui)印(yin)(yin)刷質量影(ying)響(xiang)較大(da), 如印(yin)(yin)刷油(you)墨層能(neng)否(fou)飽和(he)、紙(zhi)面印(yin)(yin)刷后能(neng)否(fou)出現脫層和(he)起泡問題。白(bai)紙(zhi)板(ban)的(de)(de)橫向挺度(du)(du)則影(ying)響(xiang)到紙(zhi)箱的(de)(de)抗壓強度(du)(du);白(bai)紙(zhi)板(ban)的(de)(de)緊度(du)(du)不是越高越好,而是規定不大(da)于一個標(biao)準(zhun)值,如優等品(pin)(定量≤300g/m 2)不大(da)于0.88g/cm3。

因為如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)緊(jin)(jin)度過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)搖(yao)蓋(gai)的(de)(de)耐折(zhe)度就會明(ming)顯(xian)下(xia)降,使用(yong)(yong)過(guo)程(cheng)中搖(yao)蓋(gai)就容易出現(xian)斷(duan)裂現(xian)象(xiang)。瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)多(duo)用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)瓦(wa)(wa)(wa)楞(leng)層(ceng),也(ye)有(you)的(de)(de)用(yong)(yong)于瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)夾芯層(ceng)或(huo)(huo)里(li)層(ceng)。用(yong)(yong)于瓦(wa)(wa)(wa)楞(leng)層(ceng)的(de)(de)瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)質(zhi)量(liang)如何直接影(ying)響(xiang)(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)抗壓(ya)強(qiang)度。瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)標(biao)準分(fen)A、B、C、D 4個等(deng)級,A 等(deng)質(zhi)量(liang)指(zhi)(zhi)標(biao)更高,其(qi)常(chang)規檢驗的(de)(de)項(xiang)目有(you): 水(shui)分(fen)、定(ding)(ding)(ding)量(liang)、緊(jin)(jin)度、橫(heng)(heng)向(xiang)環(huan)(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)和(he)裂斷(duan)長等(deng), 其(qi)中橫(heng)(heng)向(xiang)環(huan)(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)、定(ding)(ding)(ding)量(liang)和(he)緊(jin)(jin)度指(zhi)(zhi)標(biao),對瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)邊壓(ya)強(qiang)度影(ying)響(xiang)(xiang)較大。箱(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)一般用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)面紙(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)(huo)里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質(zhi)量(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)強(qiang)度影(ying)響(xiang)(xiang)較大。普通箱(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)和(he)牛皮掛面箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)分(fen)為優等(deng)品、一等(deng)品、合格品3種(zhong)。檢測(ce)的(de)(de)項(xiang)目有(you):水(shui)分(fen)、定(ding)(ding)(ding)量(liang)、緊(jin)(jin)度、橫(heng)(heng)向(xiang)環(huan)(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)、耐破(po)(po)指(zhi)(zhi)數(shu)(shu)、正(zheng)反面吸(xi)水(shui)性、橫(heng)(heng)向(xiang)耐折(zhe)度等(deng), 其(qi)中橫(heng)(heng)向(xiang)環(huan)(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)、耐破(po)(po)指(zhi)(zhi)數(shu)(shu)和(he)定(ding)(ding)(ding)量(liang)對瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)耐破(po)(po)度、戳穿強(qiang)度和(he)邊壓(ya)強(qiang)度影(ying)響(xiang)(xiang)明(ming)顯(xian),這(zhe)些都是生產(chan)工(gong)藝實(shi)(shi)踐所證(zheng)明(ming)的(de)(de)客(ke)觀事實(shi)(shi)。

所以,原(yuan)紙(zhi)(zhi)作為(wei)紙(zhi)(zhi)箱(xiang)質(zhi)量(liang)的(de)源頭(tou)環(huan)節, 必須進行嚴密、有效的(de)控制。主要做法有:采購(gou)時在合(he)同(tong)中要明(ming)確原(yuan)紙(zhi)(zhi)采購(gou)的(de)品種、質(zhi)量(liang)等級和標(biao)準項目的(de)要求(qiu),檢(jian)驗項目、標(biao)準值可(ke)以參(can)照相關(guan)的(de)國標(biao), 也可(ke)以由供需雙方約定。應根(gen)據產(chan)品的(de)特點確定原(yuan)紙(zhi)(zhi)的(de)標(biao)準和檢(jian)驗項目,如(ru)可(ke)對瓦楞紙(zhi)(zhi)、箱(xiang)板紙(zhi)(zhi)增加施膠(jiao)(jiao)度(du)的(de)檢(jian)測項目, 因(yin)為(wei)原(yuan)紙(zhi)(zhi)表面如(ru)果施膠(jiao)(jiao)度(du)好, 原(yuan)紙(zhi)(zhi)就不易吸濕, 裱貼(tie)時粘合(he)劑吸收(shou)量(liang)相應也少, 有利于(yu)紙(zhi)(zhi)板的(de)干(gan)燥和提(ti)高紙(zhi)(zhi)箱(xiang)強度(du)。

此外,就(jiu)是(shi)(shi)要對采(cai)購(gou)的(de)原(yuan)紙(zhi)進行驗收,按標準、按合同規(gui)定(ding)的(de)規(gui)則(ze)進行檢驗,這是(shi)(shi)保證采(cai)購(gou)質量的(de)重要一環。因為買原(yuan)紙(zhi)不(bu)是(shi)(shi)簡(jian)單的(de)買品種(zhong)、買數量,而是(shi)(shi)買原(yuan)紙(zhi)的(de)標準和質量, 可以說, 買合格的(de)原(yuan)紙(zhi),是(shi)(shi)降低生產成本,提高紙(zhi)箱(xiang)質量的(de)基礎(chu)。

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