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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(shi)間:2020-04-26 10:00:24

不同(tong)結構、不同(tong)材(cai)(cai)質的紙(zhi)(zhi)箱(xiang),其(qi)價(jia)格也截然(ran)不同(tong),并且價(jia)格與原(yuan)紙(zhi)(zhi)的品種、質量(liang)等級(ji)關系較大。制(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)就是要(yao)(yao)根據紙(zhi)(zhi)箱(xiang)的使(shi)用特點(dian)和運輸條件確定用紙(zhi)(zhi)品種和質量(liang), 這(zhe)是保持(chi)適(shi)度包(bao)裝(zhuang),控制(zhi)生產成本(ben)所值(zhi)得重視的環節。制(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)的原(yuan)紙(zhi)(zhi)主要(yao)(yao)包(bao)括(kuo)白紙(zhi)(zhi)板(ban)(ban)、瓦楞紙(zhi)(zhi)、茶(cha)板(ban)(ban)紙(zhi)(zhi)、普(pu)通箱(xiang)紙(zhi)(zhi)板(ban)(ban)和牛皮掛(gua)面箱(xiang)紙(zhi)(zhi)板(ban)(ban)等, 這(zhe)些原(yuan)紙(zhi)(zhi)的制(zhi)作(zuo)工藝和材(cai)(cai)料(liao)上的不同(tong),標準也有所差異。

涂布白紙(zhi)(zhi)板(ban)(ban)有(you)白底(di)和(he)灰底(di)兩(liang)種(zhong),質量(liang)等(deng)級也有(you)優等(deng)品(pin)、一(yi)等(deng)品(pin)、合格品(pin)三(san)種(zhong),檢(jian)測的(de)(de)項目有(you):水分、定量(liang)、定量(liang)偏差、橫(heng)幅定量(liang)差、緊度(du)(du)、亮度(du)(du)(白度(du)(du))、印刷表面(mian)粗糙度(du)(du)、平(ping)滑度(du)(du)、印刷光澤度(du)(du)、油(you)墨吸(xi)收性、印刷表面(mian)強(qiang)度(du)(du)、吸(xi)水性、橫(heng)向挺度(du)(du)和(he)塵埃度(du)(du)等(deng)。白紙(zhi)(zhi)板(ban)(ban)是預印紙(zhi)(zhi)箱面(mian)紙(zhi)(zhi)的(de)(de)采(cai)用材料(liao), 白紙(zhi)(zhi)板(ban)(ban)的(de)(de)質量(liang)對紙(zhi)(zhi)箱的(de)(de)印刷和(he)強(qiang)度(du)(du)都有(you)較大的(de)(de)影響(xiang)。

白(bai)紙(zhi)板的水(shui)分(fen)、印刷(shua)表面(mian)粗糙(cao)度、平滑度和(he)表面(mian)強度等(deng), 對印刷(shua)質量的影(ying)(ying)響比較敏感, 水(shui)分(fen)對印刷(shua)版面(mian)的套準(zhun)會有一(yi)定(ding)的影(ying)(ying)響, 而印刷(shua)表面(mian)粗糙(cao)度、平滑度和(he)表面(mian)強度指(zhi)標對印刷(shua)質量影(ying)(ying)響較大(da), 如(ru)(ru)印刷(shua)油(you)墨層能否飽和(he)、紙(zhi)面(mian)印刷(shua)后(hou)能否出(chu)現脫層和(he)起(qi)泡問(wen)題(ti)。白(bai)紙(zhi)板的橫向挺度則(ze)影(ying)(ying)響到紙(zhi)箱的抗壓強度;白(bai)紙(zhi)板的緊度不是(shi)越高越好,而是(shi)規定(ding)不大(da)于一(yi)個標準(zhun)值,如(ru)(ru)優等(deng)品(定(ding)量≤300g/m 2)不大(da)于0.88g/cm3。

因為如果(guo)白紙(zhi)(zhi)(zhi)(zhi)板的(de)(de)(de)(de)緊度(du)(du)(du)(du)(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋的(de)(de)(de)(de)耐(nai)折(zhe)度(du)(du)(du)(du)(du)(du)就會明(ming)(ming)顯(xian)下降(jiang),使用過(guo)程中(zhong)(zhong)搖蓋就容(rong)易(yi)出(chu)現斷裂現象(xiang)。瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)多用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)瓦(wa)(wa)楞(leng)層(ceng),也有(you)(you)的(de)(de)(de)(de)用于(yu)(yu)瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板夾(jia)芯層(ceng)或里層(ceng)。用于(yu)(yu)瓦(wa)(wa)楞(leng)層(ceng)的(de)(de)(de)(de)瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)(de)質量(liang)如何直接影響(xiang)到紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)抗壓(ya)(ya)強(qiang)度(du)(du)(du)(du)(du)(du)。瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)標準分(fen)A、B、C、D 4個(ge)等(deng)(deng)級,A 等(deng)(deng)質量(liang)指標更高,其(qi)(qi)(qi)常(chang)規檢驗的(de)(de)(de)(de)項(xiang)目(mu)有(you)(you): 水(shui)分(fen)、定(ding)量(liang)、緊度(du)(du)(du)(du)(du)(du)、橫(heng)(heng)向環(huan)壓(ya)(ya)指數(shu)和裂斷長等(deng)(deng), 其(qi)(qi)(qi)中(zhong)(zhong)橫(heng)(heng)向環(huan)壓(ya)(ya)指數(shu)、定(ding)量(liang)和緊度(du)(du)(du)(du)(du)(du)指標,對瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板的(de)(de)(de)(de)邊壓(ya)(ya)強(qiang)度(du)(du)(du)(du)(du)(du)影響(xiang)較大。箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)一般(ban)用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)面(mian)(mian)紙(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi),其(qi)(qi)(qi)質量(liang)對紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)強(qiang)度(du)(du)(du)(du)(du)(du)影響(xiang)較大。普(pu)通(tong)箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)和牛皮(pi)掛面(mian)(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板分(fen)為優等(deng)(deng)品、一等(deng)(deng)品、合格品3種。檢測(ce)的(de)(de)(de)(de)項(xiang)目(mu)有(you)(you):水(shui)分(fen)、定(ding)量(liang)、緊度(du)(du)(du)(du)(du)(du)、橫(heng)(heng)向環(huan)壓(ya)(ya)指數(shu)、耐(nai)破(po)(po)指數(shu)、正反面(mian)(mian)吸水(shui)性、橫(heng)(heng)向耐(nai)折(zhe)度(du)(du)(du)(du)(du)(du)等(deng)(deng), 其(qi)(qi)(qi)中(zhong)(zhong)橫(heng)(heng)向環(huan)壓(ya)(ya)指數(shu)、耐(nai)破(po)(po)指數(shu)和定(ding)量(liang)對瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板的(de)(de)(de)(de)耐(nai)破(po)(po)度(du)(du)(du)(du)(du)(du)、戳穿強(qiang)度(du)(du)(du)(du)(du)(du)和邊壓(ya)(ya)強(qiang)度(du)(du)(du)(du)(du)(du)影響(xiang)明(ming)(ming)顯(xian),這(zhe)些都是生產工藝實(shi)踐所證明(ming)(ming)的(de)(de)(de)(de)客觀事實(shi)。

所以,原紙(zhi)(zhi)(zhi)(zhi)作為紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)質量的(de)(de)(de)源頭環節, 必須進行嚴密、有效的(de)(de)(de)控制。主要做法有:采(cai)購時在合(he)同中要明確(que)原紙(zhi)(zhi)(zhi)(zhi)采(cai)購的(de)(de)(de)品種(zhong)、質量等(deng)級和(he)標準(zhun)項(xiang)目的(de)(de)(de)要求,檢(jian)驗項(xiang)目、標準(zhun)值可以參照相關的(de)(de)(de)國標, 也可以由供需雙(shuang)方(fang)約(yue)定。應根(gen)據產品的(de)(de)(de)特(te)點確(que)定原紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)標準(zhun)和(he)檢(jian)驗項(xiang)目,如(ru)可對瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)、箱(xiang)(xiang)板紙(zhi)(zhi)(zhi)(zhi)增(zeng)加施膠(jiao)度(du)(du)的(de)(de)(de)檢(jian)測項(xiang)目, 因(yin)為原紙(zhi)(zhi)(zhi)(zhi)表面(mian)如(ru)果施膠(jiao)度(du)(du)好, 原紙(zhi)(zhi)(zhi)(zhi)就不(bu)易吸(xi)濕, 裱貼時粘合(he)劑吸(xi)收(shou)量相應也少, 有利于紙(zhi)(zhi)(zhi)(zhi)板的(de)(de)(de)干燥(zao)和(he)提(ti)高紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)強度(du)(du)。

此外,就(jiu)是(shi)(shi)要對采購(gou)的(de)(de)(de)原(yuan)紙(zhi)(zhi)(zhi)進(jin)行(xing)驗收,按(an)標準、按(an)合同規(gui)(gui)定(ding)的(de)(de)(de)規(gui)(gui)則進(jin)行(xing)檢驗,這是(shi)(shi)保(bao)證采購(gou)質量的(de)(de)(de)重要一(yi)環(huan)。因(yin)為買(mai)原(yuan)紙(zhi)(zhi)(zhi)不是(shi)(shi)簡單的(de)(de)(de)買(mai)品(pin)種、買(mai)數量,而是(shi)(shi)買(mai)原(yuan)紙(zhi)(zhi)(zhi)的(de)(de)(de)標準和質量, 可(ke)以說(shuo), 買(mai)合格的(de)(de)(de)原(yuan)紙(zhi)(zhi)(zhi),是(shi)(shi)降低生產成本,提(ti)高紙(zhi)(zhi)(zhi)箱(xiang)質量的(de)(de)(de)基礎。

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