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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(lei):常見問答 時間:2020-04-26 10:00:24

不同結構(gou)、不同材質的紙(zhi)(zhi)(zhi)箱(xiang),其價格(ge)也(ye)截然不同,并且價格(ge)與原紙(zhi)(zhi)(zhi)的品種、質量等級(ji)關系較大。制(zhi)(zhi)作紙(zhi)(zhi)(zhi)箱(xiang)就是要根據紙(zhi)(zhi)(zhi)箱(xiang)的使(shi)用(yong)特點和運輸條(tiao)件確定(ding)用(yong)紙(zhi)(zhi)(zhi)品種和質量, 這(zhe)是保持適度包裝,控制(zhi)(zhi)生產成(cheng)本所(suo)值得重視(shi)的環節。制(zhi)(zhi)作紙(zhi)(zhi)(zhi)箱(xiang)的原紙(zhi)(zhi)(zhi)主要包括(kuo)白紙(zhi)(zhi)(zhi)板(ban)、瓦(wa)楞紙(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)、普通箱(xiang)紙(zhi)(zhi)(zhi)板(ban)和牛皮掛面箱(xiang)紙(zhi)(zhi)(zhi)板(ban)等, 這(zhe)些原紙(zhi)(zhi)(zhi)的制(zhi)(zhi)作工藝(yi)和材料上的不同,標準也(ye)有所(suo)差異。

涂(tu)布白(bai)紙(zhi)板有白(bai)底(di)和(he)灰底(di)兩種,質(zhi)量(liang)等(deng)級也有優等(deng)品、一等(deng)品、合(he)格品三種,檢測(ce)的(de)項目有:水分、定(ding)(ding)量(liang)、定(ding)(ding)量(liang)偏(pian)差(cha)、橫幅定(ding)(ding)量(liang)差(cha)、緊(jin)度(du)(du)、亮度(du)(du)(白(bai)度(du)(du))、印(yin)刷表面粗糙度(du)(du)、平滑(hua)度(du)(du)、印(yin)刷光澤度(du)(du)、油(you)墨(mo)吸(xi)(xi)收性、印(yin)刷表面強度(du)(du)、吸(xi)(xi)水性、橫向挺度(du)(du)和(he)塵(chen)埃(ai)度(du)(du)等(deng)。白(bai)紙(zhi)板是預(yu)印(yin)紙(zhi)箱面紙(zhi)的(de)采(cai)用(yong)材(cai)料(liao), 白(bai)紙(zhi)板的(de)質(zhi)量(liang)對紙(zhi)箱的(de)印(yin)刷和(he)強度(du)(du)都有較(jiao)大的(de)影(ying)響(xiang)。

白(bai)(bai)紙(zhi)板(ban)的(de)水分、印(yin)刷(shua)(shua)(shua)表面粗(cu)糙度(du)(du)(du)(du)、平滑度(du)(du)(du)(du)和表面強度(du)(du)(du)(du)等(deng), 對(dui)印(yin)刷(shua)(shua)(shua)質(zhi)(zhi)量的(de)影(ying)響(xiang)比較(jiao)(jiao)敏(min)感, 水分對(dui)印(yin)刷(shua)(shua)(shua)版面的(de)套(tao)準會有(you)一(yi)定的(de)影(ying)響(xiang), 而印(yin)刷(shua)(shua)(shua)表面粗(cu)糙度(du)(du)(du)(du)、平滑度(du)(du)(du)(du)和表面強度(du)(du)(du)(du)指標對(dui)印(yin)刷(shua)(shua)(shua)質(zhi)(zhi)量影(ying)響(xiang)較(jiao)(jiao)大(da)(da), 如(ru)印(yin)刷(shua)(shua)(shua)油(you)墨層能(neng)(neng)否(fou)飽和、紙(zhi)面印(yin)刷(shua)(shua)(shua)后能(neng)(neng)否(fou)出現(xian)脫層和起泡問題(ti)。白(bai)(bai)紙(zhi)板(ban)的(de)橫向(xiang)挺度(du)(du)(du)(du)則影(ying)響(xiang)到紙(zhi)箱的(de)抗壓(ya)強度(du)(du)(du)(du);白(bai)(bai)紙(zhi)板(ban)的(de)緊(jin)度(du)(du)(du)(du)不(bu)(bu)是越高越好(hao),而是規定不(bu)(bu)大(da)(da)于(yu)一(yi)個(ge)標準值,如(ru)優等(deng)品(pin)(定量≤300g/m 2)不(bu)(bu)大(da)(da)于(yu)0.88g/cm3。

因為如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)緊(jin)度(du)(du)(du)過(guo)高(gao),紙(zhi)(zhi)(zhi)(zhi)(zhi)箱搖(yao)蓋的(de)耐(nai)折度(du)(du)(du)就(jiu)會(hui)明顯(xian)下降,使用(yong)過(guo)程中搖(yao)蓋就(jiu)容易出現斷裂(lie)現象(xiang)。瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)多用(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)瓦楞層(ceng)(ceng),也有的(de)用(yong)于(yu)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)夾芯層(ceng)(ceng)或里(li)層(ceng)(ceng)。用(yong)于(yu)瓦楞層(ceng)(ceng)的(de)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi), 它(ta)的(de)質量(liang)如何直接影(ying)(ying)響到紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)抗壓(ya)強度(du)(du)(du)。瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)標(biao)準分A、B、C、D 4個等級(ji),A 等質量(liang)指(zhi)(zhi)標(biao)更高(gao),其(qi)常規檢(jian)驗的(de)項目有: 水(shui)分、定(ding)(ding)量(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向環(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)(shu)和(he)(he)裂(lie)斷長等, 其(qi)中橫(heng)(heng)向環(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)(shu)、定(ding)(ding)量(liang)和(he)(he)緊(jin)度(du)(du)(du)指(zhi)(zhi)標(biao),對(dui)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)邊壓(ya)強度(du)(du)(du)影(ying)(ying)響較大(da)。箱板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)般用(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱面(mian)(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)或里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質量(liang)對(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)強度(du)(du)(du)影(ying)(ying)響較大(da)。普通箱板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮掛面(mian)(mian)箱紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)分為優等品(pin)、一(yi)等品(pin)、合格品(pin)3種。檢(jian)測的(de)項目有:水(shui)分、定(ding)(ding)量(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向環(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)破(po)指(zhi)(zhi)數(shu)(shu)(shu)、正反面(mian)(mian)吸水(shui)性、橫(heng)(heng)向耐(nai)折度(du)(du)(du)等, 其(qi)中橫(heng)(heng)向環(huan)壓(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)破(po)指(zhi)(zhi)數(shu)(shu)(shu)和(he)(he)定(ding)(ding)量(liang)對(dui)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)耐(nai)破(po)度(du)(du)(du)、戳穿(chuan)強度(du)(du)(du)和(he)(he)邊壓(ya)強度(du)(du)(du)影(ying)(ying)響明顯(xian),這些都是(shi)生產工(gong)藝實(shi)(shi)踐所證明的(de)客觀事實(shi)(shi)。

所以(yi),原(yuan)紙(zhi)(zhi)作為紙(zhi)(zhi)箱(xiang)質(zhi)量(liang)(liang)的(de)(de)源頭環(huan)節, 必須進行嚴(yan)密(mi)、有效的(de)(de)控制。主(zhu)要做法有:采(cai)購(gou)時(shi)在(zai)合(he)同中要明確原(yuan)紙(zhi)(zhi)采(cai)購(gou)的(de)(de)品(pin)(pin)種(zhong)、質(zhi)量(liang)(liang)等級和標準項目(mu)的(de)(de)要求,檢(jian)驗項目(mu)、標準值可以(yi)參照相關的(de)(de)國(guo)標, 也可以(yi)由(you)供(gong)需雙方約定。應根據(ju)產品(pin)(pin)的(de)(de)特點確定原(yuan)紙(zhi)(zhi)的(de)(de)標準和檢(jian)驗項目(mu),如可對瓦(wa)楞紙(zhi)(zhi)、箱(xiang)板(ban)紙(zhi)(zhi)增加(jia)施膠度的(de)(de)檢(jian)測項目(mu), 因為原(yuan)紙(zhi)(zhi)表(biao)面如果施膠度好, 原(yuan)紙(zhi)(zhi)就不易吸濕(shi), 裱貼時(shi)粘(zhan)合(he)劑吸收量(liang)(liang)相應也少, 有利于紙(zhi)(zhi)板(ban)的(de)(de)干(gan)燥(zao)和提(ti)高紙(zhi)(zhi)箱(xiang)強度。

此外(wai),就是(shi)要(yao)對采購的(de)原(yuan)紙(zhi)(zhi)進(jin)行驗(yan)(yan)收,按(an)標(biao)準(zhun)、按(an)合(he)同規(gui)定的(de)規(gui)則進(jin)行檢驗(yan)(yan),這是(shi)保證(zheng)采購質(zhi)(zhi)量(liang)的(de)重(zhong)要(yao)一環(huan)。因為買(mai)(mai)原(yuan)紙(zhi)(zhi)不是(shi)簡單(dan)的(de)買(mai)(mai)品(pin)種、買(mai)(mai)數量(liang),而是(shi)買(mai)(mai)原(yuan)紙(zhi)(zhi)的(de)標(biao)準(zhun)和(he)質(zhi)(zhi)量(liang), 可以(yi)說, 買(mai)(mai)合(he)格的(de)原(yuan)紙(zhi)(zhi),是(shi)降低生產成本,提高紙(zhi)(zhi)箱質(zhi)(zhi)量(liang)的(de)基礎。

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