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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(jian)問答(da) 時間:2020-04-26 10:00:24

不同結構、不同材質(zhi)的(de)(de)紙(zhi)(zhi)箱(xiang)(xiang),其價(jia)格(ge)(ge)也截然(ran)不同,并且(qie)價(jia)格(ge)(ge)與原(yuan)紙(zhi)(zhi)的(de)(de)品種、質(zhi)量等級關系較大。制(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)(xiang)就是要(yao)根據紙(zhi)(zhi)箱(xiang)(xiang)的(de)(de)使用特點和運(yun)輸條件確定用紙(zhi)(zhi)品種和質(zhi)量, 這是保持適度包(bao)(bao)裝(zhuang),控制(zhi)生產成本所值(zhi)得重視(shi)的(de)(de)環(huan)節。制(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)(xiang)的(de)(de)原(yuan)紙(zhi)(zhi)主(zhu)要(yao)包(bao)(bao)括白紙(zhi)(zhi)板(ban)(ban)、瓦楞紙(zhi)(zhi)、茶(cha)板(ban)(ban)紙(zhi)(zhi)、普通箱(xiang)(xiang)紙(zhi)(zhi)板(ban)(ban)和牛(niu)皮掛面箱(xiang)(xiang)紙(zhi)(zhi)板(ban)(ban)等, 這些原(yuan)紙(zhi)(zhi)的(de)(de)制(zhi)作(zuo)工藝和材料上的(de)(de)不同,標準(zhun)也有所差異。

涂布白(bai)紙(zhi)(zhi)板(ban)有(you)白(bai)底(di)和(he)灰(hui)底(di)兩種(zhong),質量(liang)等級(ji)也(ye)有(you)優等品(pin)、一等品(pin)、合格(ge)品(pin)三(san)種(zhong),檢測(ce)的(de)(de)項(xiang)目有(you):水分(fen)、定量(liang)、定量(liang)偏差(cha)、橫幅定量(liang)差(cha)、緊度(du)(du)、亮度(du)(du)(白(bai)度(du)(du))、印刷(shua)表面粗(cu)糙(cao)度(du)(du)、平滑度(du)(du)、印刷(shua)光(guang)澤度(du)(du)、油墨(mo)吸(xi)收性、印刷(shua)表面強度(du)(du)、吸(xi)水性、橫向挺度(du)(du)和(he)塵埃度(du)(du)等。白(bai)紙(zhi)(zhi)板(ban)是預(yu)印紙(zhi)(zhi)箱面紙(zhi)(zhi)的(de)(de)采用(yong)材料, 白(bai)紙(zhi)(zhi)板(ban)的(de)(de)質量(liang)對紙(zhi)(zhi)箱的(de)(de)印刷(shua)和(he)強度(du)(du)都有(you)較大的(de)(de)影響。

白(bai)(bai)紙(zhi)(zhi)(zhi)板的(de)水分(fen)、印刷表(biao)面(mian)粗糙(cao)度(du)、平滑(hua)度(du)和(he)表(biao)面(mian)強(qiang)度(du)等, 對印刷質量(liang)的(de)影響比較敏感, 水分(fen)對印刷版面(mian)的(de)套(tao)準會有一(yi)定(ding)(ding)的(de)影響, 而(er)印刷表(biao)面(mian)粗糙(cao)度(du)、平滑(hua)度(du)和(he)表(biao)面(mian)強(qiang)度(du)指標(biao)對印刷質量(liang)影響較大(da)(da), 如(ru)印刷油墨層能(neng)否飽(bao)和(he)、紙(zhi)(zhi)(zhi)面(mian)印刷后能(neng)否出(chu)現脫層和(he)起泡(pao)問題。白(bai)(bai)紙(zhi)(zhi)(zhi)板的(de)橫(heng)向挺度(du)則影響到紙(zhi)(zhi)(zhi)箱(xiang)的(de)抗壓強(qiang)度(du);白(bai)(bai)紙(zhi)(zhi)(zhi)板的(de)緊度(du)不(bu)是越高越好(hao),而(er)是規定(ding)(ding)不(bu)大(da)(da)于一(yi)個標(biao)準值,如(ru)優等品(定(ding)(ding)量(liang)≤300g/m 2)不(bu)大(da)(da)于0.88g/cm3。

因為如果白(bai)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)(de)緊(jin)度(du)(du)(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)搖蓋的(de)(de)(de)(de)耐(nai)(nai)折度(du)(du)(du)(du)就會(hui)明顯下降,使(shi)用(yong)(yong)過(guo)程中搖蓋就容易出(chu)現斷(duan)(duan)裂(lie)現象(xiang)。瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多用(yong)(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)瓦(wa)(wa)(wa)楞(leng)層,也有(you)的(de)(de)(de)(de)用(yong)(yong)于(yu)瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)夾(jia)芯層或里層。用(yong)(yong)于(yu)瓦(wa)(wa)(wa)楞(leng)層的(de)(de)(de)(de)瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)(de)質量(liang)如何(he)直接影(ying)(ying)(ying)響到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)抗壓(ya)(ya)強度(du)(du)(du)(du)。瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)標(biao)準分(fen)A、B、C、D 4個(ge)等(deng)(deng)(deng)(deng)級,A 等(deng)(deng)(deng)(deng)質量(liang)指(zhi)(zhi)(zhi)標(biao)更(geng)高,其(qi)常(chang)規(gui)檢驗的(de)(de)(de)(de)項目(mu)有(you): 水分(fen)、定(ding)量(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)向環壓(ya)(ya)指(zhi)(zhi)(zhi)數和(he)裂(lie)斷(duan)(duan)長等(deng)(deng)(deng)(deng), 其(qi)中橫(heng)向環壓(ya)(ya)指(zhi)(zhi)(zhi)數、定(ding)量(liang)和(he)緊(jin)度(du)(du)(du)(du)指(zhi)(zhi)(zhi)標(biao),對瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)(de)邊(bian)壓(ya)(ya)強度(du)(du)(du)(du)影(ying)(ying)(ying)響較(jiao)大。箱(xiang)(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一般用(yong)(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質量(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)強度(du)(du)(du)(du)影(ying)(ying)(ying)響較(jiao)大。普通箱(xiang)(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)牛皮掛(gua)面箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)分(fen)為優等(deng)(deng)(deng)(deng)品(pin)、一等(deng)(deng)(deng)(deng)品(pin)、合格(ge)品(pin)3種。檢測的(de)(de)(de)(de)項目(mu)有(you):水分(fen)、定(ding)量(liang)、緊(jin)度(du)(du)(du)(du)、橫(heng)向環壓(ya)(ya)指(zhi)(zhi)(zhi)數、耐(nai)(nai)破指(zhi)(zhi)(zhi)數、正(zheng)反面吸水性、橫(heng)向耐(nai)(nai)折度(du)(du)(du)(du)等(deng)(deng)(deng)(deng), 其(qi)中橫(heng)向環壓(ya)(ya)指(zhi)(zhi)(zhi)數、耐(nai)(nai)破指(zhi)(zhi)(zhi)數和(he)定(ding)量(liang)對瓦(wa)(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)(de)耐(nai)(nai)破度(du)(du)(du)(du)、戳穿(chuan)強度(du)(du)(du)(du)和(he)邊(bian)壓(ya)(ya)強度(du)(du)(du)(du)影(ying)(ying)(ying)響明顯,這些都(dou)是(shi)生產工藝實踐所證明的(de)(de)(de)(de)客(ke)觀事實。

所以(yi),原紙(zhi)(zhi)作為(wei)(wei)紙(zhi)(zhi)箱(xiang)(xiang)質(zhi)量的源頭環節, 必須進行嚴密、有(you)效(xiao)的控制。主要(yao)做法有(you):采(cai)購(gou)時在(zai)合(he)同中要(yao)明確原紙(zhi)(zhi)采(cai)購(gou)的品(pin)種、質(zhi)量等級和(he)標(biao)(biao)準(zhun)項目的要(yao)求,檢驗項目、標(biao)(biao)準(zhun)值可(ke)(ke)以(yi)參照相(xiang)關的國標(biao)(biao), 也可(ke)(ke)以(yi)由供需雙方(fang)約定(ding)。應根據產品(pin)的特(te)點確定(ding)原紙(zhi)(zhi)的標(biao)(biao)準(zhun)和(he)檢驗項目,如(ru)可(ke)(ke)對瓦楞紙(zhi)(zhi)、箱(xiang)(xiang)板紙(zhi)(zhi)增加(jia)施膠度(du)(du)的檢測項目, 因為(wei)(wei)原紙(zhi)(zhi)表面如(ru)果施膠度(du)(du)好(hao), 原紙(zhi)(zhi)就不(bu)易吸濕, 裱貼時粘合(he)劑吸收(shou)量相(xiang)應也少, 有(you)利(li)于(yu)紙(zhi)(zhi)板的干燥和(he)提高紙(zhi)(zhi)箱(xiang)(xiang)強度(du)(du)。

此外,就(jiu)是(shi)要對采(cai)購的(de)(de)原紙進(jin)行驗收,按標(biao)準、按合(he)同規(gui)定的(de)(de)規(gui)則進(jin)行檢(jian)驗,這(zhe)是(shi)保證采(cai)購質量(liang)的(de)(de)重要一環。因為買(mai)原紙不是(shi)簡單的(de)(de)買(mai)品種、買(mai)數量(liang),而(er)是(shi)買(mai)原紙的(de)(de)標(biao)準和質量(liang), 可以說, 買(mai)合(he)格的(de)(de)原紙,是(shi)降低生產成(cheng)本,提高紙箱質量(liang)的(de)(de)基(ji)礎。

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