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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(da) 時間(jian):2020-04-26 10:00:24

不同結構、不同材(cai)質(zhi)的紙(zhi)(zhi)箱(xiang)(xiang),其價格也截然不同,并且價格與原(yuan)紙(zhi)(zhi)的品種、質(zhi)量(liang)等(deng)級關(guan)系較大。制(zhi)作紙(zhi)(zhi)箱(xiang)(xiang)就是要(yao)(yao)根據(ju)紙(zhi)(zhi)箱(xiang)(xiang)的使用特點和運輸條件(jian)確定用紙(zhi)(zhi)品種和質(zhi)量(liang), 這是保(bao)持適度包(bao)裝,控制(zhi)生產成本所(suo)值得重視的環節。制(zhi)作紙(zhi)(zhi)箱(xiang)(xiang)的原(yuan)紙(zhi)(zhi)主要(yao)(yao)包(bao)括白(bai)紙(zhi)(zhi)板、瓦楞紙(zhi)(zhi)、茶板紙(zhi)(zhi)、普(pu)通箱(xiang)(xiang)紙(zhi)(zhi)板和牛皮掛面箱(xiang)(xiang)紙(zhi)(zhi)板等(deng), 這些(xie)原(yuan)紙(zhi)(zhi)的制(zhi)作工藝(yi)和材(cai)料上的不同,標準也有所(suo)差異。

涂布(bu)白(bai)紙(zhi)板有(you)白(bai)底和(he)灰底兩種,質量(liang)等級也有(you)優等品、一(yi)等品、合格品三(san)種,檢測的項(xiang)目(mu)有(you):水分(fen)、定量(liang)、定量(liang)偏差(cha)、橫幅定量(liang)差(cha)、緊度(du)(du)(du)、亮度(du)(du)(du)(白(bai)度(du)(du)(du))、印(yin)刷表(biao)(biao)面粗糙度(du)(du)(du)、平(ping)滑(hua)度(du)(du)(du)、印(yin)刷光澤度(du)(du)(du)、油墨吸收性(xing)、印(yin)刷表(biao)(biao)面強度(du)(du)(du)、吸水性(xing)、橫向挺度(du)(du)(du)和(he)塵埃(ai)度(du)(du)(du)等。白(bai)紙(zhi)板是預印(yin)紙(zhi)箱面紙(zhi)的采用材料(liao), 白(bai)紙(zhi)板的質量(liang)對紙(zhi)箱的印(yin)刷和(he)強度(du)(du)(du)都(dou)有(you)較(jiao)大(da)的影響。

白紙(zhi)板(ban)(ban)的(de)水分、印(yin)(yin)刷(shua)表(biao)面(mian)(mian)粗(cu)糙度(du)(du)(du)(du)(du)(du)、平(ping)滑(hua)度(du)(du)(du)(du)(du)(du)和(he)表(biao)面(mian)(mian)強(qiang)度(du)(du)(du)(du)(du)(du)等, 對印(yin)(yin)刷(shua)質量(liang)的(de)影響比較敏感, 水分對印(yin)(yin)刷(shua)版(ban)面(mian)(mian)的(de)套準會有(you)一定(ding)的(de)影響, 而(er)印(yin)(yin)刷(shua)表(biao)面(mian)(mian)粗(cu)糙度(du)(du)(du)(du)(du)(du)、平(ping)滑(hua)度(du)(du)(du)(du)(du)(du)和(he)表(biao)面(mian)(mian)強(qiang)度(du)(du)(du)(du)(du)(du)指標對印(yin)(yin)刷(shua)質量(liang)影響較大, 如印(yin)(yin)刷(shua)油(you)墨(mo)層能否飽和(he)、紙(zhi)面(mian)(mian)印(yin)(yin)刷(shua)后能否出現脫(tuo)層和(he)起泡問題。白紙(zhi)板(ban)(ban)的(de)橫(heng)向挺度(du)(du)(du)(du)(du)(du)則影響到(dao)紙(zhi)箱(xiang)的(de)抗壓強(qiang)度(du)(du)(du)(du)(du)(du);白紙(zhi)板(ban)(ban)的(de)緊度(du)(du)(du)(du)(du)(du)不是越高越好,而(er)是規定(ding)不大于一個標準值,如優(you)等品(pin)(定(ding)量(liang)≤300g/m 2)不大于0.88g/cm3。

因(yin)為如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)緊(jin)(jin)度(du)(du)過高(gao),紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋(gai)的(de)耐折度(du)(du)就(jiu)會(hui)明顯下降,使用(yong)過程中搖蓋(gai)就(jiu)容易(yi)出(chu)現(xian)斷裂現(xian)象。瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)多用(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)瓦楞層(ceng),也有(you)(you)的(de)用(yong)于瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)或(huo)里(li)層(ceng)。用(yong)于瓦楞層(ceng)的(de)瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)質(zhi)量(liang)(liang)如何直接影(ying)響(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)抗壓(ya)(ya)強度(du)(du)。瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)標(biao)(biao)準分A、B、C、D 4個等(deng)(deng)級,A 等(deng)(deng)質(zhi)量(liang)(liang)指(zhi)(zhi)標(biao)(biao)更高(gao),其(qi)常規檢(jian)驗的(de)項(xiang)目有(you)(you): 水(shui)分、定(ding)(ding)量(liang)(liang)、緊(jin)(jin)度(du)(du)、橫(heng)(heng)向環壓(ya)(ya)指(zhi)(zhi)數(shu)和裂斷長等(deng)(deng), 其(qi)中橫(heng)(heng)向環壓(ya)(ya)指(zhi)(zhi)數(shu)、定(ding)(ding)量(liang)(liang)和緊(jin)(jin)度(du)(du)指(zhi)(zhi)標(biao)(biao),對瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)邊壓(ya)(ya)強度(du)(du)影(ying)響(xiang)較(jiao)大(da)。箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)一般用(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質(zhi)量(liang)(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)強度(du)(du)影(ying)響(xiang)較(jiao)大(da)。普通箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)和牛皮(pi)掛面(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分為優等(deng)(deng)品(pin)、一等(deng)(deng)品(pin)、合格品(pin)3種。檢(jian)測的(de)項(xiang)目有(you)(you):水(shui)分、定(ding)(ding)量(liang)(liang)、緊(jin)(jin)度(du)(du)、橫(heng)(heng)向環壓(ya)(ya)指(zhi)(zhi)數(shu)、耐破(po)指(zhi)(zhi)數(shu)、正反(fan)面(mian)吸水(shui)性、橫(heng)(heng)向耐折度(du)(du)等(deng)(deng), 其(qi)中橫(heng)(heng)向環壓(ya)(ya)指(zhi)(zhi)數(shu)、耐破(po)指(zhi)(zhi)數(shu)和定(ding)(ding)量(liang)(liang)對瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)耐破(po)度(du)(du)、戳穿強度(du)(du)和邊壓(ya)(ya)強度(du)(du)影(ying)響(xiang)明顯,這些(xie)都是生(sheng)產(chan)工(gong)藝(yi)實踐所證明的(de)客觀事實。

所以,原紙(zhi)作為紙(zhi)箱質(zhi)量(liang)的(de)(de)(de)源頭環(huan)節, 必須(xu)進行嚴密、有(you)效的(de)(de)(de)控制。主(zhu)要(yao)(yao)做法(fa)有(you):采購(gou)時(shi)在合同(tong)中要(yao)(yao)明確原紙(zhi)采購(gou)的(de)(de)(de)品種、質(zhi)量(liang)等級和(he)標準(zhun)項目(mu)的(de)(de)(de)要(yao)(yao)求(qiu),檢驗(yan)項目(mu)、標準(zhun)值可以參(can)照相(xiang)關的(de)(de)(de)國(guo)標, 也可以由供(gong)需雙方約定。應根據產品的(de)(de)(de)特點確定原紙(zhi)的(de)(de)(de)標準(zhun)和(he)檢驗(yan)項目(mu),如(ru)可對瓦楞紙(zhi)、箱板(ban)紙(zhi)增加施(shi)膠度(du)(du)的(de)(de)(de)檢測項目(mu), 因為原紙(zhi)表面如(ru)果施(shi)膠度(du)(du)好, 原紙(zhi)就不易吸濕, 裱貼時(shi)粘合劑吸收量(liang)相(xiang)應也少(shao), 有(you)利于(yu)紙(zhi)板(ban)的(de)(de)(de)干燥(zao)和(he)提高紙(zhi)箱強度(du)(du)。

此外,就是(shi)(shi)要(yao)對采購的(de)原(yuan)(yuan)紙(zhi)進(jin)行(xing)驗收,按標準(zhun)(zhun)、按合同規定的(de)規則進(jin)行(xing)檢(jian)驗,這是(shi)(shi)保證采購質(zhi)(zhi)(zhi)量(liang)的(de)重(zhong)要(yao)一環。因為買(mai)原(yuan)(yuan)紙(zhi)不(bu)是(shi)(shi)簡單的(de)買(mai)品(pin)種(zhong)、買(mai)數量(liang),而是(shi)(shi)買(mai)原(yuan)(yuan)紙(zhi)的(de)標準(zhun)(zhun)和質(zhi)(zhi)(zhi)量(liang), 可以說, 買(mai)合格的(de)原(yuan)(yuan)紙(zhi),是(shi)(shi)降低生產成(cheng)本(ben),提高紙(zhi)箱質(zhi)(zhi)(zhi)量(liang)的(de)基(ji)礎(chu)。

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