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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)同(tong)結構、不(bu)同(tong)材質(zhi)的紙(zhi)(zhi)(zhi)(zhi)(zhi)箱,其價格(ge)也(ye)(ye)截然不(bu)同(tong),并且價格(ge)與原紙(zhi)(zhi)(zhi)(zhi)(zhi)的品種、質(zhi)量(liang)等級關系(xi)較大(da)。制作(zuo)(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱就是(shi)要根(gen)據紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的使(shi)用特點(dian)和(he)運輸條件確定(ding)用紙(zhi)(zhi)(zhi)(zhi)(zhi)品種和(he)質(zhi)量(liang), 這(zhe)是(shi)保持適(shi)度包裝,控制生產成本所值得重視的環(huan)節(jie)。制作(zuo)(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的原紙(zhi)(zhi)(zhi)(zhi)(zhi)主要包括(kuo)白紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)、瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)、茶板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)、普通(tong)箱紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)和(he)牛皮掛(gua)面(mian)箱紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)等, 這(zhe)些原紙(zhi)(zhi)(zhi)(zhi)(zhi)的制作(zuo)(zuo)工藝和(he)材料上的不(bu)同(tong),標準也(ye)(ye)有所差異(yi)。

涂(tu)布白紙(zhi)(zhi)板(ban)有(you)白底(di)和灰底(di)兩(liang)種,質量等(deng)級也(ye)有(you)優等(deng)品、一等(deng)品、合(he)格品三種,檢測的項目有(you):水(shui)分(fen)、定量、定量偏(pian)差(cha)、橫幅定量差(cha)、緊度(du)(du)(du)、亮度(du)(du)(du)(白度(du)(du)(du))、印刷(shua)(shua)表(biao)面粗糙度(du)(du)(du)、平滑度(du)(du)(du)、印刷(shua)(shua)光澤度(du)(du)(du)、油墨吸收性、印刷(shua)(shua)表(biao)面強度(du)(du)(du)、吸水(shui)性、橫向(xiang)挺(ting)度(du)(du)(du)和塵埃(ai)度(du)(du)(du)等(deng)。白紙(zhi)(zhi)板(ban)是預印紙(zhi)(zhi)箱(xiang)面紙(zhi)(zhi)的采用材料(liao), 白紙(zhi)(zhi)板(ban)的質量對紙(zhi)(zhi)箱(xiang)的印刷(shua)(shua)和強度(du)(du)(du)都有(you)較大的影響。

白(bai)(bai)紙板(ban)的(de)水分、印刷(shua)(shua)表(biao)面粗糙(cao)度(du)(du)、平滑(hua)度(du)(du)和表(biao)面強(qiang)度(du)(du)等, 對(dui)印刷(shua)(shua)質量(liang)的(de)影(ying)(ying)響(xiang)比較敏感(gan), 水分對(dui)印刷(shua)(shua)版面的(de)套準會有一(yi)定的(de)影(ying)(ying)響(xiang), 而(er)印刷(shua)(shua)表(biao)面粗糙(cao)度(du)(du)、平滑(hua)度(du)(du)和表(biao)面強(qiang)度(du)(du)指標(biao)(biao)對(dui)印刷(shua)(shua)質量(liang)影(ying)(ying)響(xiang)較大(da), 如印刷(shua)(shua)油墨層(ceng)能否(fou)飽和、紙面印刷(shua)(shua)后能否(fou)出現脫層(ceng)和起泡問題。白(bai)(bai)紙板(ban)的(de)橫向挺度(du)(du)則影(ying)(ying)響(xiang)到(dao)紙箱的(de)抗(kang)壓強(qiang)度(du)(du);白(bai)(bai)紙板(ban)的(de)緊度(du)(du)不(bu)是越高越好,而(er)是規定不(bu)大(da)于一(yi)個標(biao)(biao)準值,如優等品(定量(liang)≤300g/m 2)不(bu)大(da)于0.88g/cm3。

因為(wei)(wei)如(ru)果白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)緊度(du)(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)蓋的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)折度(du)(du)(du)就會(hui)明(ming)(ming)(ming)顯(xian)下降,使用過(guo)程中搖(yao)蓋就容易出現斷裂現象。瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)多用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)瓦(wa)楞(leng)(leng)層(ceng),也有(you)的(de)(de)(de)(de)(de)(de)(de)(de)用于(yu)(yu)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)或(huo)(huo)里層(ceng)。用于(yu)(yu)瓦(wa)楞(leng)(leng)層(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)(de)(de)(de)(de)(de)質量(liang)(liang)如(ru)何直接(jie)影響到紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)抗壓(ya)(ya)(ya)強度(du)(du)(du)。瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)標準分A、B、C、D 4個等(deng)級(ji),A 等(deng)質量(liang)(liang)指(zhi)(zhi)標更高,其(qi)常規(gui)檢驗的(de)(de)(de)(de)(de)(de)(de)(de)項目有(you): 水分、定(ding)(ding)量(liang)(liang)、緊度(du)(du)(du)、橫(heng)(heng)向(xiang)環壓(ya)(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)和(he)(he)裂斷長(chang)等(deng), 其(qi)中橫(heng)(heng)向(xiang)環壓(ya)(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、定(ding)(ding)量(liang)(liang)和(he)(he)緊度(du)(du)(du)指(zhi)(zhi)標,對(dui)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)邊(bian)壓(ya)(ya)(ya)強度(du)(du)(du)影響較大。箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)一般用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)或(huo)(huo)里紙(zhi)(zhi)(zhi)(zhi),其(qi)質量(liang)(liang)對(dui)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)強度(du)(du)(du)影響較大。普通箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮掛面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分為(wei)(wei)優等(deng)品(pin)(pin)、一等(deng)品(pin)(pin)、合格品(pin)(pin)3種。檢測的(de)(de)(de)(de)(de)(de)(de)(de)項目有(you):水分、定(ding)(ding)量(liang)(liang)、緊度(du)(du)(du)、橫(heng)(heng)向(xiang)環壓(ya)(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)破指(zhi)(zhi)數(shu)(shu)(shu)、正反(fan)面(mian)吸水性、橫(heng)(heng)向(xiang)耐(nai)折度(du)(du)(du)等(deng), 其(qi)中橫(heng)(heng)向(xiang)環壓(ya)(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)破指(zhi)(zhi)數(shu)(shu)(shu)和(he)(he)定(ding)(ding)量(liang)(liang)對(dui)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)破度(du)(du)(du)、戳穿強度(du)(du)(du)和(he)(he)邊(bian)壓(ya)(ya)(ya)強度(du)(du)(du)影響明(ming)(ming)(ming)顯(xian),這些都是生(sheng)產工藝實(shi)踐所證明(ming)(ming)(ming)的(de)(de)(de)(de)(de)(de)(de)(de)客觀事(shi)實(shi)。

所(suo)以,原紙(zhi)(zhi)(zhi)(zhi)作為紙(zhi)(zhi)(zhi)(zhi)箱質(zhi)量(liang)的(de)(de)(de)源頭環節, 必須進(jin)行嚴(yan)密、有(you)效的(de)(de)(de)控制。主要做(zuo)法有(you):采購(gou)(gou)時在合同(tong)中要明確原紙(zhi)(zhi)(zhi)(zhi)采購(gou)(gou)的(de)(de)(de)品(pin)種、質(zhi)量(liang)等(deng)級(ji)和(he)標(biao)準項(xiang)(xiang)目的(de)(de)(de)要求,檢(jian)驗項(xiang)(xiang)目、標(biao)準值可以參照相(xiang)關的(de)(de)(de)國標(biao), 也(ye)可以由(you)供(gong)需雙方約(yue)定。應(ying)根(gen)據(ju)產品(pin)的(de)(de)(de)特點確定原紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)標(biao)準和(he)檢(jian)驗項(xiang)(xiang)目,如(ru)可對瓦楞紙(zhi)(zhi)(zhi)(zhi)、箱板紙(zhi)(zhi)(zhi)(zhi)增加(jia)施(shi)膠度(du)的(de)(de)(de)檢(jian)測項(xiang)(xiang)目, 因為原紙(zhi)(zhi)(zhi)(zhi)表面如(ru)果施(shi)膠度(du)好, 原紙(zhi)(zhi)(zhi)(zhi)就不易吸濕, 裱貼時粘(zhan)合劑吸收量(liang)相(xiang)應(ying)也(ye)少, 有(you)利于紙(zhi)(zhi)(zhi)(zhi)板的(de)(de)(de)干燥(zao)和(he)提(ti)高(gao)紙(zhi)(zhi)(zhi)(zhi)箱強(qiang)度(du)。

此外,就是(shi)(shi)要(yao)對(dui)采(cai)購(gou)(gou)的(de)原紙(zhi)進(jin)行驗收,按(an)標(biao)準、按(an)合同(tong)規定的(de)規則進(jin)行檢驗,這(zhe)是(shi)(shi)保證(zheng)采(cai)購(gou)(gou)質量的(de)重要(yao)一環。因為買(mai)原紙(zhi)不是(shi)(shi)簡單的(de)買(mai)品種、買(mai)數(shu)量,而是(shi)(shi)買(mai)原紙(zhi)的(de)標(biao)準和質量, 可以說, 買(mai)合格的(de)原紙(zhi),是(shi)(shi)降(jiang)低生產成本,提高紙(zhi)箱質量的(de)基礎。

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