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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(fen)類:常(chang)見問答 時間(jian):2020-04-26 10:00:24

不(bu)同(tong)結構、不(bu)同(tong)材質(zhi)的(de)(de)紙(zhi)(zhi)(zhi)(zhi)箱(xiang),其價格也截然不(bu)同(tong),并且價格與原紙(zhi)(zhi)(zhi)(zhi)的(de)(de)品種、質(zhi)量等(deng)級關(guan)系較(jiao)大(da)。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)就是(shi)要根據紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)使用(yong)特(te)點和(he)運輸條件(jian)確定用(yong)紙(zhi)(zhi)(zhi)(zhi)品種和(he)質(zhi)量, 這是(shi)保持適度包裝(zhuang),控制(zhi)(zhi)生產(chan)成本所值得(de)重視(shi)的(de)(de)環節。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)原紙(zhi)(zhi)(zhi)(zhi)主要包括白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)、瓦(wa)楞紙(zhi)(zhi)(zhi)(zhi)、茶板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)、普通箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)和(he)牛皮(pi)掛面箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)等(deng), 這些原紙(zhi)(zhi)(zhi)(zhi)的(de)(de)制(zhi)(zhi)作(zuo)工藝和(he)材料(liao)上的(de)(de)不(bu)同(tong),標準也有所差(cha)異。

涂布(bu)白(bai)紙(zhi)(zhi)板有(you)(you)白(bai)底和(he)灰底兩種,質(zhi)量(liang)等(deng)(deng)級(ji)也(ye)有(you)(you)優(you)等(deng)(deng)品、一等(deng)(deng)品、合格(ge)品三種,檢測的(de)(de)項目有(you)(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(bai)度(du)(du))、印刷表面粗糙(cao)度(du)(du)、平滑(hua)度(du)(du)、印刷光(guang)澤度(du)(du)、油墨吸(xi)(xi)收(shou)性、印刷表面強(qiang)度(du)(du)、吸(xi)(xi)水性、橫(heng)向挺度(du)(du)和(he)塵埃度(du)(du)等(deng)(deng)。白(bai)紙(zhi)(zhi)板是預(yu)印紙(zhi)(zhi)箱(xiang)面紙(zhi)(zhi)的(de)(de)采用材(cai)料(liao), 白(bai)紙(zhi)(zhi)板的(de)(de)質(zhi)量(liang)對紙(zhi)(zhi)箱(xiang)的(de)(de)印刷和(he)強(qiang)度(du)(du)都有(you)(you)較(jiao)大的(de)(de)影響。

白(bai)(bai)紙板的(de)(de)(de)水分(fen)、印(yin)刷(shua)表面(mian)(mian)(mian)(mian)粗(cu)糙度(du)、平(ping)滑度(du)和表面(mian)(mian)(mian)(mian)強度(du)等, 對印(yin)刷(shua)質(zhi)量(liang)的(de)(de)(de)影(ying)響(xiang)(xiang)比較(jiao)敏感, 水分(fen)對印(yin)刷(shua)版面(mian)(mian)(mian)(mian)的(de)(de)(de)套準(zhun)會有一(yi)定的(de)(de)(de)影(ying)響(xiang)(xiang), 而(er)印(yin)刷(shua)表面(mian)(mian)(mian)(mian)粗(cu)糙度(du)、平(ping)滑度(du)和表面(mian)(mian)(mian)(mian)強度(du)指標對印(yin)刷(shua)質(zhi)量(liang)影(ying)響(xiang)(xiang)較(jiao)大, 如印(yin)刷(shua)油墨層能(neng)否(fou)飽(bao)和、紙面(mian)(mian)(mian)(mian)印(yin)刷(shua)后能(neng)否(fou)出現(xian)脫層和起泡問題。白(bai)(bai)紙板的(de)(de)(de)橫向(xiang)挺度(du)則影(ying)響(xiang)(xiang)到紙箱的(de)(de)(de)抗壓強度(du);白(bai)(bai)紙板的(de)(de)(de)緊度(du)不(bu)是越高越好(hao),而(er)是規(gui)定不(bu)大于(yu)(yu)一(yi)個標準(zhun)值,如優等品(定量(liang)≤300g/m 2)不(bu)大于(yu)(yu)0.88g/cm3。

因為(wei)如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板的(de)(de)緊(jin)度(du)(du)(du)過高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋的(de)(de)耐(nai)(nai)折(zhe)度(du)(du)(du)就會明顯下降(jiang),使用過程(cheng)中(zhong)搖蓋就容易(yi)出現斷(duan)裂現象(xiang)。瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多用于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)瓦(wa)楞(leng)(leng)層,也有的(de)(de)用于(yu)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板夾(jia)芯層或(huo)里(li)(li)層。用于(yu)瓦(wa)楞(leng)(leng)層的(de)(de)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它(ta)的(de)(de)質量(liang)如何直接影響(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)抗(kang)壓強度(du)(du)(du)。瓦(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(ji),A 等(deng)(deng)質量(liang)指(zhi)標更高,其(qi)(qi)常規(gui)檢驗的(de)(de)項(xiang)目有: 水(shui)分(fen)(fen)、定(ding)(ding)(ding)量(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向環(huan)壓指(zhi)數(shu)和(he)(he)裂斷(duan)長等(deng)(deng), 其(qi)(qi)中(zhong)橫(heng)(heng)向環(huan)壓指(zhi)數(shu)、定(ding)(ding)(ding)量(liang)和(he)(he)緊(jin)度(du)(du)(du)指(zhi)標,對瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板的(de)(de)邊壓強度(du)(du)(du)影響(xiang)較大(da)。箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一般用于(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)里(li)(li)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)(qi)質量(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)強度(du)(du)(du)影響(xiang)較大(da)。普通箱(xiang)板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮(pi)掛面(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板分(fen)(fen)為(wei)優等(deng)(deng)品(pin)、一等(deng)(deng)品(pin)、合格品(pin)3種(zhong)。檢測的(de)(de)項(xiang)目有:水(shui)分(fen)(fen)、定(ding)(ding)(ding)量(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向環(huan)壓指(zhi)數(shu)、耐(nai)(nai)破(po)指(zhi)數(shu)、正反面(mian)吸水(shui)性、橫(heng)(heng)向耐(nai)(nai)折(zhe)度(du)(du)(du)等(deng)(deng), 其(qi)(qi)中(zhong)橫(heng)(heng)向環(huan)壓指(zhi)數(shu)、耐(nai)(nai)破(po)指(zhi)數(shu)和(he)(he)定(ding)(ding)(ding)量(liang)對瓦(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板的(de)(de)耐(nai)(nai)破(po)度(du)(du)(du)、戳穿(chuan)強度(du)(du)(du)和(he)(he)邊壓強度(du)(du)(du)影響(xiang)明顯,這(zhe)些(xie)都是(shi)生產工藝實(shi)踐所證明的(de)(de)客(ke)觀(guan)事實(shi)。

所(suo)以(yi),原(yuan)紙(zhi)(zhi)(zhi)作(zuo)為紙(zhi)(zhi)(zhi)箱(xiang)質(zhi)量的(de)(de)(de)源(yuan)頭環(huan)節, 必須進行嚴(yan)密、有(you)效的(de)(de)(de)控制。主要(yao)做法有(you):采購時(shi)在合同中(zhong)要(yao)明(ming)確(que)原(yuan)紙(zhi)(zhi)(zhi)采購的(de)(de)(de)品(pin)種、質(zhi)量等級和標(biao)(biao)準(zhun)項(xiang)目的(de)(de)(de)要(yao)求,檢(jian)驗項(xiang)目、標(biao)(biao)準(zhun)值(zhi)可(ke)以(yi)參照相關的(de)(de)(de)國標(biao)(biao), 也可(ke)以(yi)由供需雙方約定。應根據產(chan)品(pin)的(de)(de)(de)特點確(que)定原(yuan)紙(zhi)(zhi)(zhi)的(de)(de)(de)標(biao)(biao)準(zhun)和檢(jian)驗項(xiang)目,如(ru)可(ke)對瓦楞紙(zhi)(zhi)(zhi)、箱(xiang)板(ban)紙(zhi)(zhi)(zhi)增加施(shi)膠度的(de)(de)(de)檢(jian)測項(xiang)目, 因(yin)為原(yuan)紙(zhi)(zhi)(zhi)表面如(ru)果施(shi)膠度好, 原(yuan)紙(zhi)(zhi)(zhi)就不易吸濕, 裱貼時(shi)粘合劑吸收量相應也少, 有(you)利于紙(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)干燥和提高紙(zhi)(zhi)(zhi)箱(xiang)強度。

此外,就是(shi)要(yao)對(dui)采購的(de)(de)原(yuan)紙(zhi)進行(xing)驗收,按標(biao)準、按合同規(gui)定的(de)(de)規(gui)則(ze)進行(xing)檢驗,這是(shi)保(bao)證(zheng)采購質量(liang)(liang)(liang)的(de)(de)重要(yao)一環。因為買原(yuan)紙(zhi)不是(shi)簡單的(de)(de)買品(pin)種、買數量(liang)(liang)(liang),而是(shi)買原(yuan)紙(zhi)的(de)(de)標(biao)準和質量(liang)(liang)(liang), 可(ke)以說, 買合格(ge)的(de)(de)原(yuan)紙(zhi),是(shi)降低生(sheng)產成(cheng)本,提高紙(zhi)箱(xiang)質量(liang)(liang)(liang)的(de)(de)基礎。

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