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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(chang)見(jian)問答 時間:2020-04-26 10:00:24

不(bu)同結(jie)構、不(bu)同材質的(de)(de)(de)紙(zhi)(zhi)箱(xiang),其價(jia)格也截然不(bu)同,并且價(jia)格與(yu)原(yuan)紙(zhi)(zhi)的(de)(de)(de)品種、質量等級(ji)關(guan)系較大。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)就是要(yao)根據紙(zhi)(zhi)箱(xiang)的(de)(de)(de)使用(yong)特點和運(yun)輸條(tiao)件(jian)確定(ding)用(yong)紙(zhi)(zhi)品種和質量, 這是保持適度包裝,控制(zhi)(zhi)生產成本所值得重視(shi)的(de)(de)(de)環節。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)箱(xiang)的(de)(de)(de)原(yuan)紙(zhi)(zhi)主要(yao)包括(kuo)白紙(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)、普通(tong)箱(xiang)紙(zhi)(zhi)板(ban)和牛(niu)皮掛面箱(xiang)紙(zhi)(zhi)板(ban)等, 這些原(yuan)紙(zhi)(zhi)的(de)(de)(de)制(zhi)(zhi)作(zuo)工藝和材料上的(de)(de)(de)不(bu)同,標準也有所差(cha)異。

涂(tu)布白紙板(ban)有白底和灰底兩種(zhong),質量(liang)等(deng)級(ji)也有優等(deng)品、一等(deng)品、合格品三種(zhong),檢測的(de)項目有:水分、定量(liang)、定量(liang)偏差、橫(heng)幅定量(liang)差、緊度(du)(du)(du)、亮度(du)(du)(du)(白度(du)(du)(du))、印刷(shua)表面粗糙度(du)(du)(du)、平滑度(du)(du)(du)、印刷(shua)光澤度(du)(du)(du)、油墨吸收(shou)性(xing)、印刷(shua)表面強度(du)(du)(du)、吸水性(xing)、橫(heng)向挺(ting)度(du)(du)(du)和塵(chen)埃度(du)(du)(du)等(deng)。白紙板(ban)是預印紙箱(xiang)(xiang)面紙的(de)采(cai)用材料, 白紙板(ban)的(de)質量(liang)對紙箱(xiang)(xiang)的(de)印刷(shua)和強度(du)(du)(du)都有較大的(de)影(ying)響。

白(bai)紙板的(de)水(shui)分、印(yin)刷(shua)表(biao)(biao)面粗糙(cao)度(du)(du)(du)(du)、平滑(hua)度(du)(du)(du)(du)和表(biao)(biao)面強度(du)(du)(du)(du)等, 對印(yin)刷(shua)質量(liang)的(de)影(ying)(ying)(ying)響比(bi)較敏感, 水(shui)分對印(yin)刷(shua)版面的(de)套準(zhun)會有一(yi)定(ding)的(de)影(ying)(ying)(ying)響, 而(er)印(yin)刷(shua)表(biao)(biao)面粗糙(cao)度(du)(du)(du)(du)、平滑(hua)度(du)(du)(du)(du)和表(biao)(biao)面強度(du)(du)(du)(du)指標(biao)對印(yin)刷(shua)質量(liang)影(ying)(ying)(ying)響較大(da), 如(ru)印(yin)刷(shua)油墨層能(neng)否(fou)飽和、紙面印(yin)刷(shua)后能(neng)否(fou)出現脫(tuo)層和起泡問題。白(bai)紙板的(de)橫向(xiang)挺度(du)(du)(du)(du)則影(ying)(ying)(ying)響到紙箱的(de)抗壓強度(du)(du)(du)(du);白(bai)紙板的(de)緊度(du)(du)(du)(du)不是越(yue)高越(yue)好(hao),而(er)是規定(ding)不大(da)于(yu)(yu)一(yi)個標(biao)準(zhun)值,如(ru)優等品(定(ding)量(liang)≤300g/m 2)不大(da)于(yu)(yu)0.88g/cm3。

因為如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)緊(jin)度(du)(du)(du)過高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱搖(yao)蓋(gai)的(de)耐(nai)(nai)折度(du)(du)(du)就會(hui)明(ming)(ming)(ming)顯(xian)下降,使用過程中(zhong)搖(yao)蓋(gai)就容易出現斷裂現象。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)瓦(wa)楞(leng)層(ceng)(ceng),也有的(de)用于(yu)(yu)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)(ceng)或里層(ceng)(ceng)。用于(yu)(yu)瓦(wa)楞(leng)層(ceng)(ceng)的(de)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它(ta)的(de)質量(liang)(liang)(liang)如何直接影(ying)響到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)抗壓(ya)(ya)強(qiang)(qiang)度(du)(du)(du)。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)標(biao)準分A、B、C、D 4個等(deng)級,A 等(deng)質量(liang)(liang)(liang)指標(biao)更高,其常(chang)規檢驗的(de)項(xiang)目有: 水(shui)(shui)分、定量(liang)(liang)(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向(xiang)環壓(ya)(ya)指數(shu)(shu)和裂斷長等(deng), 其中(zhong)橫(heng)(heng)向(xiang)環壓(ya)(ya)指數(shu)(shu)、定量(liang)(liang)(liang)和緊(jin)度(du)(du)(du)指標(biao),對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)邊(bian)(bian)壓(ya)(ya)強(qiang)(qiang)度(du)(du)(du)影(ying)響較大(da)。箱板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一般用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱面紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其質量(liang)(liang)(liang)對(dui)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)強(qiang)(qiang)度(du)(du)(du)影(ying)響較大(da)。普通(tong)箱板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和牛皮(pi)掛面箱紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分為優等(deng)品(pin)、一等(deng)品(pin)、合格(ge)品(pin)3種。檢測的(de)項(xiang)目有:水(shui)(shui)分、定量(liang)(liang)(liang)、緊(jin)度(du)(du)(du)、橫(heng)(heng)向(xiang)環壓(ya)(ya)指數(shu)(shu)、耐(nai)(nai)破指數(shu)(shu)、正反面吸水(shui)(shui)性、橫(heng)(heng)向(xiang)耐(nai)(nai)折度(du)(du)(du)等(deng), 其中(zhong)橫(heng)(heng)向(xiang)環壓(ya)(ya)指數(shu)(shu)、耐(nai)(nai)破指數(shu)(shu)和定量(liang)(liang)(liang)對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)耐(nai)(nai)破度(du)(du)(du)、戳穿(chuan)強(qiang)(qiang)度(du)(du)(du)和邊(bian)(bian)壓(ya)(ya)強(qiang)(qiang)度(du)(du)(du)影(ying)響明(ming)(ming)(ming)顯(xian),這些都是(shi)生產工(gong)藝實踐(jian)所證明(ming)(ming)(ming)的(de)客觀事實。

所以,原(yuan)(yuan)紙(zhi)(zhi)作為紙(zhi)(zhi)箱質(zhi)量的源頭環節, 必(bi)須進行嚴(yan)密、有效的控制。主要(yao)(yao)(yao)做法有:采購時(shi)(shi)在(zai)合同中要(yao)(yao)(yao)明(ming)確原(yuan)(yuan)紙(zhi)(zhi)采購的品種、質(zhi)量等級和標準項(xiang)目(mu)(mu)的要(yao)(yao)(yao)求,檢驗(yan)項(xiang)目(mu)(mu)、標準值可(ke)(ke)以參照相關的國標, 也(ye)可(ke)(ke)以由(you)供(gong)需雙(shuang)方約定(ding)。應根據產品的特點確定(ding)原(yuan)(yuan)紙(zhi)(zhi)的標準和檢驗(yan)項(xiang)目(mu)(mu),如(ru)可(ke)(ke)對(dui)瓦楞紙(zhi)(zhi)、箱板紙(zhi)(zhi)增加施膠度的檢測項(xiang)目(mu)(mu), 因為原(yuan)(yuan)紙(zhi)(zhi)表面如(ru)果施膠度好, 原(yuan)(yuan)紙(zhi)(zhi)就不(bu)易吸濕, 裱貼時(shi)(shi)粘合劑吸收量相應也(ye)少(shao), 有利于(yu)紙(zhi)(zhi)板的干燥和提高紙(zhi)(zhi)箱強度。

此外,就是(shi)(shi)要(yao)對(dui)采(cai)購的(de)原紙進(jin)行驗收(shou),按標準、按合同規定的(de)規則進(jin)行檢驗,這是(shi)(shi)保證采(cai)購質(zhi)量的(de)重要(yao)一(yi)環。因為買原紙不是(shi)(shi)簡單的(de)買品種(zhong)、買數量,而(er)是(shi)(shi)買原紙的(de)標準和(he)質(zhi)量, 可以說, 買合格的(de)原紙,是(shi)(shi)降低生產成本,提高紙箱質(zhi)量的(de)基礎。

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