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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

不同(tong)(tong)結構、不同(tong)(tong)材質(zhi)的(de)(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang),其價(jia)(jia)格也截然不同(tong)(tong),并且價(jia)(jia)格與原(yuan)(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)品(pin)種、質(zhi)量等級關系較大。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)就是要(yao)根(gen)據(ju)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)使用(yong)特(te)點和(he)運輸條(tiao)件(jian)確定用(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)種和(he)質(zhi)量, 這是保(bao)持適度包(bao)(bao)裝,控制(zhi)(zhi)生產成本所(suo)值得重(zhong)視的(de)(de)環節(jie)。制(zhi)(zhi)作(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)原(yuan)(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)主要(yao)包(bao)(bao)括白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、普通箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)和(he)牛(niu)皮掛(gua)面箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)等, 這些原(yuan)(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)制(zhi)(zhi)作(zuo)工(gong)藝和(he)材料上的(de)(de)不同(tong)(tong),標準也有(you)所(suo)差(cha)異。

涂布白紙(zhi)(zhi)(zhi)板(ban)有白底(di)和灰底(di)兩(liang)種,質量(liang)等(deng)(deng)級也有優等(deng)(deng)品(pin)、一(yi)等(deng)(deng)品(pin)、合(he)格品(pin)三種,檢(jian)測的(de)項目有:水分(fen)、定量(liang)、定量(liang)偏差(cha)、橫幅定量(liang)差(cha)、緊度(du)、亮度(du)(白度(du))、印(yin)刷(shua)表面(mian)粗糙度(du)、平(ping)滑度(du)、印(yin)刷(shua)光澤度(du)、油墨吸收(shou)性、印(yin)刷(shua)表面(mian)強度(du)、吸水性、橫向挺度(du)和塵埃度(du)等(deng)(deng)。白紙(zhi)(zhi)(zhi)板(ban)是預印(yin)紙(zhi)(zhi)(zhi)箱面(mian)紙(zhi)(zhi)(zhi)的(de)采用材料, 白紙(zhi)(zhi)(zhi)板(ban)的(de)質量(liang)對紙(zhi)(zhi)(zhi)箱的(de)印(yin)刷(shua)和強度(du)都(dou)有較(jiao)大的(de)影(ying)響。

白(bai)紙(zhi)板(ban)的(de)(de)水(shui)分、印(yin)(yin)刷(shua)(shua)表(biao)面(mian)(mian)(mian)粗糙度(du)(du)、平滑(hua)度(du)(du)和(he)表(biao)面(mian)(mian)(mian)強(qiang)度(du)(du)等, 對印(yin)(yin)刷(shua)(shua)質量的(de)(de)影(ying)響比較敏(min)感, 水(shui)分對印(yin)(yin)刷(shua)(shua)版面(mian)(mian)(mian)的(de)(de)套準(zhun)會(hui)有一定的(de)(de)影(ying)響, 而印(yin)(yin)刷(shua)(shua)表(biao)面(mian)(mian)(mian)粗糙度(du)(du)、平滑(hua)度(du)(du)和(he)表(biao)面(mian)(mian)(mian)強(qiang)度(du)(du)指標(biao)對印(yin)(yin)刷(shua)(shua)質量影(ying)響較大, 如(ru)印(yin)(yin)刷(shua)(shua)油(you)墨層能否(fou)飽和(he)、紙(zhi)面(mian)(mian)(mian)印(yin)(yin)刷(shua)(shua)后能否(fou)出現脫(tuo)層和(he)起泡問題。白(bai)紙(zhi)板(ban)的(de)(de)橫向挺度(du)(du)則(ze)影(ying)響到紙(zhi)箱的(de)(de)抗壓強(qiang)度(du)(du);白(bai)紙(zhi)板(ban)的(de)(de)緊度(du)(du)不(bu)是(shi)越(yue)(yue)高(gao)越(yue)(yue)好,而是(shi)規定不(bu)大于(yu)一個標(biao)準(zhun)值,如(ru)優等品(定量≤300g/m 2)不(bu)大于(yu)0.88g/cm3。

因(yin)為如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)緊度(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)蓋的(de)(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)折(zhe)度(du)(du)就會明(ming)(ming)顯下降,使(shi)用過(guo)程中搖(yao)蓋就容易出現斷裂現象。瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多用于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)瓦(wa)(wa)(wa)楞層(ceng),也有的(de)(de)(de)(de)(de)(de)(de)(de)(de)用于瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)夾芯層(ceng)或(huo)里層(ceng)。用于瓦(wa)(wa)(wa)楞層(ceng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)(de)(de)(de)(de)(de)(de)質量(liang)(liang)(liang)如何直(zhi)接影(ying)(ying)響(xiang)(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)抗壓(ya)(ya)強(qiang)(qiang)(qiang)度(du)(du)。瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)標(biao)(biao)準(zhun)分A、B、C、D 4個等(deng)級(ji),A 等(deng)質量(liang)(liang)(liang)指(zhi)標(biao)(biao)更(geng)高,其(qi)(qi)常規檢驗的(de)(de)(de)(de)(de)(de)(de)(de)(de)項(xiang)目有: 水(shui)分、定(ding)(ding)量(liang)(liang)(liang)、緊度(du)(du)、橫向環壓(ya)(ya)指(zhi)數和(he)裂斷長等(deng), 其(qi)(qi)中橫向環壓(ya)(ya)指(zhi)數、定(ding)(ding)量(liang)(liang)(liang)和(he)緊度(du)(du)指(zhi)標(biao)(biao),對瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)邊壓(ya)(ya)強(qiang)(qiang)(qiang)度(du)(du)影(ying)(ying)響(xiang)(xiang)較大(da)。箱(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一般用于紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)里紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)(qi)質量(liang)(liang)(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)(qiang)(qiang)度(du)(du)影(ying)(ying)響(xiang)(xiang)較大(da)。普通箱(xiang)(xiang)板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)牛皮掛(gua)面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)分為優等(deng)品、一等(deng)品、合格品3種(zhong)。檢測的(de)(de)(de)(de)(de)(de)(de)(de)(de)項(xiang)目有:水(shui)分、定(ding)(ding)量(liang)(liang)(liang)、緊度(du)(du)、橫向環壓(ya)(ya)指(zhi)數、耐(nai)(nai)破指(zhi)數、正(zheng)反面(mian)吸水(shui)性、橫向耐(nai)(nai)折(zhe)度(du)(du)等(deng), 其(qi)(qi)中橫向環壓(ya)(ya)指(zhi)數、耐(nai)(nai)破指(zhi)數和(he)定(ding)(ding)量(liang)(liang)(liang)對瓦(wa)(wa)(wa)楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)的(de)(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)(nai)破度(du)(du)、戳穿強(qiang)(qiang)(qiang)度(du)(du)和(he)邊壓(ya)(ya)強(qiang)(qiang)(qiang)度(du)(du)影(ying)(ying)響(xiang)(xiang)明(ming)(ming)顯,這些都是生產工藝實踐所證明(ming)(ming)的(de)(de)(de)(de)(de)(de)(de)(de)(de)客觀事實。

所以(yi),原紙(zhi)作為(wei)紙(zhi)箱質量的(de)源頭環節, 必(bi)須進行嚴密、有效的(de)控制。主要做法有:采購時(shi)在合(he)(he)同中(zhong)要明確(que)原紙(zhi)采購的(de)品種、質量等級(ji)和(he)標(biao)準項(xiang)目(mu)的(de)要求,檢(jian)驗(yan)項(xiang)目(mu)、標(biao)準值可(ke)以(yi)參照相(xiang)關的(de)國標(biao), 也可(ke)以(yi)由(you)供(gong)需雙(shuang)方(fang)約(yue)定。應(ying)根(gen)據產品的(de)特點確(que)定原紙(zhi)的(de)標(biao)準和(he)檢(jian)驗(yan)項(xiang)目(mu),如(ru)可(ke)對瓦(wa)楞紙(zhi)、箱板紙(zhi)增加(jia)施膠度(du)的(de)檢(jian)測項(xiang)目(mu), 因為(wei)原紙(zhi)表面如(ru)果施膠度(du)好(hao), 原紙(zhi)就不易吸(xi)濕, 裱貼時(shi)粘合(he)(he)劑吸(xi)收量相(xiang)應(ying)也少, 有利于紙(zhi)板的(de)干(gan)燥和(he)提高紙(zhi)箱強度(du)。

此外,就(jiu)是(shi)要對采購的原(yuan)紙(zhi)進行(xing)驗(yan)收,按標(biao)準、按合同規(gui)定的規(gui)則進行(xing)檢驗(yan),這(zhe)是(shi)保(bao)證采購質(zhi)量(liang)的重要一環。因為買原(yuan)紙(zhi)不是(shi)簡單的買品種、買數量(liang),而(er)是(shi)買原(yuan)紙(zhi)的標(biao)準和質(zhi)量(liang), 可以說, 買合格的原(yuan)紙(zhi),是(shi)降低生產成本,提高(gao)紙(zhi)箱質(zhi)量(liang)的基礎。

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