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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(bu)(bu)同結構(gou)、不(bu)(bu)同材質的(de)紙(zhi)(zhi)箱(xiang),其價(jia)格(ge)也截然不(bu)(bu)同,并且(qie)價(jia)格(ge)與原(yuan)(yuan)紙(zhi)(zhi)的(de)品種(zhong)(zhong)、質量等級關系較大。制作(zuo)紙(zhi)(zhi)箱(xiang)就(jiu)是要根據紙(zhi)(zhi)箱(xiang)的(de)使用(yong)特點和(he)運輸條件確定(ding)用(yong)紙(zhi)(zhi)品種(zhong)(zhong)和(he)質量, 這(zhe)(zhe)是保持(chi)適(shi)度包裝,控制生產成本所(suo)值得重視(shi)的(de)環節。制作(zuo)紙(zhi)(zhi)箱(xiang)的(de)原(yuan)(yuan)紙(zhi)(zhi)主要包括(kuo)白紙(zhi)(zhi)板(ban)(ban)、瓦(wa)楞紙(zhi)(zhi)、茶板(ban)(ban)紙(zhi)(zhi)、普通(tong)箱(xiang)紙(zhi)(zhi)板(ban)(ban)和(he)牛(niu)皮掛面箱(xiang)紙(zhi)(zhi)板(ban)(ban)等, 這(zhe)(zhe)些原(yuan)(yuan)紙(zhi)(zhi)的(de)制作(zuo)工(gong)藝和(he)材料(liao)上的(de)不(bu)(bu)同,標(biao)準(zhun)也有所(suo)差異(yi)。

涂布白紙(zhi)板有白底和灰底兩種(zhong),質(zhi)(zhi)量(liang)(liang)(liang)等級也有優等品、一等品、合(he)格品三種(zhong),檢測(ce)的(de)項目有:水(shui)分、定量(liang)(liang)(liang)、定量(liang)(liang)(liang)偏(pian)差、橫(heng)幅定量(liang)(liang)(liang)差、緊度(du)、亮度(du)(白度(du))、印刷(shua)(shua)表(biao)(biao)面(mian)(mian)粗糙度(du)、平(ping)滑度(du)、印刷(shua)(shua)光澤度(du)、油(you)墨吸收(shou)性、印刷(shua)(shua)表(biao)(biao)面(mian)(mian)強度(du)、吸水(shui)性、橫(heng)向挺(ting)度(du)和塵埃度(du)等。白紙(zhi)板是預印紙(zhi)箱面(mian)(mian)紙(zhi)的(de)采用材料, 白紙(zhi)板的(de)質(zhi)(zhi)量(liang)(liang)(liang)對紙(zhi)箱的(de)印刷(shua)(shua)和強度(du)都有較(jiao)大的(de)影響。

白紙(zhi)板(ban)的(de)(de)水(shui)分、印刷(shua)表(biao)(biao)面(mian)(mian)粗糙度(du)(du)(du)(du)、平(ping)滑(hua)(hua)度(du)(du)(du)(du)和表(biao)(biao)面(mian)(mian)強度(du)(du)(du)(du)等(deng), 對印刷(shua)質(zhi)(zhi)量(liang)的(de)(de)影(ying)響(xiang)比較敏感(gan), 水(shui)分對印刷(shua)版面(mian)(mian)的(de)(de)套準會有一定(ding)的(de)(de)影(ying)響(xiang), 而印刷(shua)表(biao)(biao)面(mian)(mian)粗糙度(du)(du)(du)(du)、平(ping)滑(hua)(hua)度(du)(du)(du)(du)和表(biao)(biao)面(mian)(mian)強度(du)(du)(du)(du)指標(biao)對印刷(shua)質(zhi)(zhi)量(liang)影(ying)響(xiang)較大(da), 如(ru)(ru)印刷(shua)油墨層能(neng)否(fou)飽和、紙(zhi)面(mian)(mian)印刷(shua)后能(neng)否(fou)出現脫層和起泡問題(ti)。白紙(zhi)板(ban)的(de)(de)橫(heng)向(xiang)挺(ting)度(du)(du)(du)(du)則(ze)影(ying)響(xiang)到(dao)紙(zhi)箱的(de)(de)抗壓強度(du)(du)(du)(du);白紙(zhi)板(ban)的(de)(de)緊度(du)(du)(du)(du)不是越高(gao)越好,而是規定(ding)不大(da)于一個(ge)標(biao)準值(zhi),如(ru)(ru)優等(deng)品(定(ding)量(liang)≤300g/m 2)不大(da)于0.88g/cm3。

因為如果(guo)白(bai)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)緊(jin)度(du)(du)(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)蓋的(de)(de)耐(nai)折度(du)(du)(du)(du)就(jiu)會明(ming)(ming)顯下降,使用(yong)(yong)過(guo)程中(zhong)搖(yao)蓋就(jiu)容易出現斷(duan)裂現象。瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)瓦(wa)(wa)楞(leng)(leng)層(ceng),也(ye)有(you)的(de)(de)用(yong)(yong)于瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)夾芯層(ceng)或里(li)層(ceng)。用(yong)(yong)于瓦(wa)(wa)楞(leng)(leng)層(ceng)的(de)(de)瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)質(zhi)量(liang)(liang)(liang)如何直接影(ying)響到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)抗壓(ya)(ya)強度(du)(du)(du)(du)。瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)標準分(fen)(fen)A、B、C、D 4個(ge)等(deng)(deng)級,A 等(deng)(deng)質(zhi)量(liang)(liang)(liang)指(zhi)標更高,其常規檢(jian)驗(yan)的(de)(de)項目有(you): 水分(fen)(fen)、定量(liang)(liang)(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)(heng)(heng)向(xiang)(xiang)環(huan)(huan)壓(ya)(ya)指(zhi)數(shu)(shu)和(he)裂斷(duan)長等(deng)(deng), 其中(zhong)橫(heng)(heng)(heng)向(xiang)(xiang)環(huan)(huan)壓(ya)(ya)指(zhi)數(shu)(shu)、定量(liang)(liang)(liang)和(he)緊(jin)度(du)(du)(du)(du)指(zhi)標,對(dui)(dui)瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)邊(bian)壓(ya)(ya)強度(du)(du)(du)(du)影(ying)響較大。箱(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)般用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其質(zhi)量(liang)(liang)(liang)對(dui)(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)強度(du)(du)(du)(du)影(ying)響較大。普通箱(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)牛皮掛面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)分(fen)(fen)為優等(deng)(deng)品、一(yi)等(deng)(deng)品、合格品3種。檢(jian)測的(de)(de)項目有(you):水分(fen)(fen)、定量(liang)(liang)(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)(heng)(heng)向(xiang)(xiang)環(huan)(huan)壓(ya)(ya)指(zhi)數(shu)(shu)、耐(nai)破(po)(po)指(zhi)數(shu)(shu)、正反面(mian)吸水性、橫(heng)(heng)(heng)向(xiang)(xiang)耐(nai)折度(du)(du)(du)(du)等(deng)(deng), 其中(zhong)橫(heng)(heng)(heng)向(xiang)(xiang)環(huan)(huan)壓(ya)(ya)指(zhi)數(shu)(shu)、耐(nai)破(po)(po)指(zhi)數(shu)(shu)和(he)定量(liang)(liang)(liang)對(dui)(dui)瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)耐(nai)破(po)(po)度(du)(du)(du)(du)、戳穿強度(du)(du)(du)(du)和(he)邊(bian)壓(ya)(ya)強度(du)(du)(du)(du)影(ying)響明(ming)(ming)顯,這些都是生產工藝實(shi)踐所(suo)證(zheng)明(ming)(ming)的(de)(de)客觀事(shi)實(shi)。

所以(yi),原紙(zhi)(zhi)作為(wei)紙(zhi)(zhi)箱質(zhi)量(liang)的源(yuan)頭環節, 必(bi)須(xu)進(jin)行(xing)嚴密、有效(xiao)的控制。主要(yao)做法有:采購時在合同(tong)中要(yao)明確原紙(zhi)(zhi)采購的品種、質(zhi)量(liang)等級(ji)和(he)(he)標準(zhun)(zhun)項(xiang)目的要(yao)求,檢驗項(xiang)目、標準(zhun)(zhun)值可(ke)以(yi)參照相關的國標, 也(ye)可(ke)以(yi)由(you)供需雙(shuang)方(fang)約定。應(ying)根據產(chan)品的特點確定原紙(zhi)(zhi)的標準(zhun)(zhun)和(he)(he)檢驗項(xiang)目,如可(ke)對瓦(wa)楞紙(zhi)(zhi)、箱板紙(zhi)(zhi)增加施(shi)膠(jiao)度的檢測項(xiang)目, 因(yin)為(wei)原紙(zhi)(zhi)表面如果施(shi)膠(jiao)度好, 原紙(zhi)(zhi)就不易吸濕(shi), 裱貼時粘合劑吸收量(liang)相應(ying)也(ye)少, 有利于紙(zhi)(zhi)板的干(gan)燥和(he)(he)提高紙(zhi)(zhi)箱強度。

此外,就是要對采購的(de)原(yuan)紙(zhi)(zhi)進(jin)行驗收,按(an)標準、按(an)合(he)同規(gui)定的(de)規(gui)則進(jin)行檢(jian)驗,這是保證采購質量的(de)重(zhong)要一環。因為(wei)買(mai)原(yuan)紙(zhi)(zhi)不是簡單(dan)的(de)買(mai)品種、買(mai)數(shu)量,而(er)是買(mai)原(yuan)紙(zhi)(zhi)的(de)標準和質量, 可以說(shuo), 買(mai)合(he)格的(de)原(yuan)紙(zhi)(zhi),是降低生產成本,提(ti)高紙(zhi)(zhi)箱質量的(de)基礎。

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