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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)結構、不同(tong)材(cai)質(zhi)的(de)(de)(de)(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang),其(qi)價格也(ye)截然不同(tong),并且價格與(yu)原紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)品(pin)種(zhong)、質(zhi)量(liang)等級關(guan)系較(jiao)大。制(zhi)(zhi)作(zuo)(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)就是要(yao)根據紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)的(de)(de)(de)(de)使用(yong)特點和運輸條(tiao)件確定用(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)種(zhong)和質(zhi)量(liang), 這是保持適度包裝,控制(zhi)(zhi)生產成(cheng)本所(suo)值得重視的(de)(de)(de)(de)環節。制(zhi)(zhi)作(zuo)(zuo)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)的(de)(de)(de)(de)原紙(zhi)(zhi)(zhi)(zhi)(zhi)主要(yao)包括白紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)、普通(tong)箱(xiang)(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)和牛皮(pi)掛面箱(xiang)(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)等, 這些原紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)制(zhi)(zhi)作(zuo)(zuo)工(gong)藝和材(cai)料上的(de)(de)(de)(de)不同(tong),標準也(ye)有所(suo)差異。

涂布白(bai)(bai)(bai)紙(zhi)(zhi)板有(you)白(bai)(bai)(bai)底(di)和(he)(he)灰底(di)兩種,質(zhi)量(liang)等(deng)級也(ye)有(you)優等(deng)品、一等(deng)品、合格品三種,檢測的(de)項目有(you):水(shui)分、定(ding)量(liang)、定(ding)量(liang)偏差、橫(heng)幅定(ding)量(liang)差、緊度(du)(du)(du)、亮度(du)(du)(du)(白(bai)(bai)(bai)度(du)(du)(du))、印(yin)(yin)刷(shua)表面粗糙度(du)(du)(du)、平滑度(du)(du)(du)、印(yin)(yin)刷(shua)光澤度(du)(du)(du)、油墨(mo)吸收性、印(yin)(yin)刷(shua)表面強度(du)(du)(du)、吸水(shui)性、橫(heng)向挺度(du)(du)(du)和(he)(he)塵(chen)埃度(du)(du)(du)等(deng)。白(bai)(bai)(bai)紙(zhi)(zhi)板是預印(yin)(yin)紙(zhi)(zhi)箱面紙(zhi)(zhi)的(de)采用材料, 白(bai)(bai)(bai)紙(zhi)(zhi)板的(de)質(zhi)量(liang)對(dui)紙(zhi)(zhi)箱的(de)印(yin)(yin)刷(shua)和(he)(he)強度(du)(du)(du)都有(you)較大(da)的(de)影響。

白紙(zhi)(zhi)(zhi)板的(de)(de)水分、印(yin)(yin)刷(shua)表面(mian)(mian)粗糙(cao)度(du)、平(ping)滑(hua)度(du)和(he)(he)表面(mian)(mian)強(qiang)度(du)等, 對(dui)印(yin)(yin)刷(shua)質量(liang)的(de)(de)影(ying)響(xiang)比較敏感, 水分對(dui)印(yin)(yin)刷(shua)版面(mian)(mian)的(de)(de)套準(zhun)會(hui)有一定(ding)的(de)(de)影(ying)響(xiang), 而印(yin)(yin)刷(shua)表面(mian)(mian)粗糙(cao)度(du)、平(ping)滑(hua)度(du)和(he)(he)表面(mian)(mian)強(qiang)度(du)指標對(dui)印(yin)(yin)刷(shua)質量(liang)影(ying)響(xiang)較大(da), 如(ru)印(yin)(yin)刷(shua)油墨層(ceng)能(neng)否飽(bao)和(he)(he)、紙(zhi)(zhi)(zhi)面(mian)(mian)印(yin)(yin)刷(shua)后能(neng)否出(chu)現(xian)脫層(ceng)和(he)(he)起(qi)泡問題。白紙(zhi)(zhi)(zhi)板的(de)(de)橫(heng)向(xiang)挺度(du)則(ze)影(ying)響(xiang)到紙(zhi)(zhi)(zhi)箱(xiang)的(de)(de)抗壓強(qiang)度(du);白紙(zhi)(zhi)(zhi)板的(de)(de)緊度(du)不是越(yue)高(gao)越(yue)好,而是規定(ding)不大(da)于一個(ge)標準(zhun)值(zhi),如(ru)優(you)等品(定(ding)量(liang)≤300g/m 2)不大(da)于0.88g/cm3。

因為(wei)(wei)如果白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)緊(jin)度(du)(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)蓋(gai)的(de)耐(nai)(nai)(nai)折度(du)(du)就(jiu)會明(ming)顯(xian)下降(jiang),使(shi)用過(guo)程中搖(yao)蓋(gai)就(jiu)容易(yi)出現(xian)斷裂(lie)現(xian)象。瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)多(duo)用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)瓦(wa)(wa)楞(leng)(leng)層(ceng),也有的(de)用于(yu)(yu)瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)或(huo)里(li)層(ceng)。用于(yu)(yu)瓦(wa)(wa)楞(leng)(leng)層(ceng)的(de)瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)質(zhi)量(liang)(liang)如何直接影響(xiang)(xiang)到紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)抗(kang)壓(ya)(ya)強(qiang)(qiang)度(du)(du)。瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)標(biao)(biao)準(zhun)分(fen)(fen)A、B、C、D 4個等(deng)(deng)(deng)級,A 等(deng)(deng)(deng)質(zhi)量(liang)(liang)指(zhi)(zhi)標(biao)(biao)更(geng)高,其(qi)常(chang)規檢驗的(de)項(xiang)目有: 水(shui)分(fen)(fen)、定量(liang)(liang)、緊(jin)度(du)(du)、橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)和(he)裂(lie)斷長等(deng)(deng)(deng), 其(qi)中橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)、定量(liang)(liang)和(he)緊(jin)度(du)(du)指(zhi)(zhi)標(biao)(biao),對瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)邊(bian)壓(ya)(ya)強(qiang)(qiang)度(du)(du)影響(xiang)(xiang)較(jiao)大(da)。箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)一(yi)般用于(yu)(yu)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)或(huo)里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)質(zhi)量(liang)(liang)對紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)強(qiang)(qiang)度(du)(du)影響(xiang)(xiang)較(jiao)大(da)。普通箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)和(he)牛皮掛面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分(fen)(fen)為(wei)(wei)優等(deng)(deng)(deng)品(pin)、一(yi)等(deng)(deng)(deng)品(pin)、合格品(pin)3種。檢測的(de)項(xiang)目有:水(shui)分(fen)(fen)、定量(liang)(liang)、緊(jin)度(du)(du)、橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)、耐(nai)(nai)(nai)破(po)指(zhi)(zhi)數(shu)(shu)、正反(fan)面(mian)吸水(shui)性、橫向耐(nai)(nai)(nai)折度(du)(du)等(deng)(deng)(deng), 其(qi)中橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)、耐(nai)(nai)(nai)破(po)指(zhi)(zhi)數(shu)(shu)和(he)定量(liang)(liang)對瓦(wa)(wa)楞(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)耐(nai)(nai)(nai)破(po)度(du)(du)、戳穿(chuan)強(qiang)(qiang)度(du)(du)和(he)邊(bian)壓(ya)(ya)強(qiang)(qiang)度(du)(du)影響(xiang)(xiang)明(ming)顯(xian),這些都(dou)是生產工(gong)藝(yi)實踐所證明(ming)的(de)客觀事實。

所以,原(yuan)(yuan)(yuan)紙(zhi)(zhi)作為紙(zhi)(zhi)箱質量的(de)(de)源頭環節, 必須進行(xing)嚴密(mi)、有(you)效的(de)(de)控(kong)制。主要(yao)做法有(you):采購時(shi)在合同中(zhong)要(yao)明確原(yuan)(yuan)(yuan)紙(zhi)(zhi)采購的(de)(de)品(pin)種、質量等(deng)級和(he)標(biao)(biao)準項(xiang)目的(de)(de)要(yao)求,檢(jian)驗(yan)項(xiang)目、標(biao)(biao)準值可以參照相(xiang)關的(de)(de)國標(biao)(biao), 也(ye)可以由供需(xu)雙(shuang)方約(yue)定(ding)。應(ying)根(gen)據產品(pin)的(de)(de)特點確定(ding)原(yuan)(yuan)(yuan)紙(zhi)(zhi)的(de)(de)標(biao)(biao)準和(he)檢(jian)驗(yan)項(xiang)目,如可對瓦楞紙(zhi)(zhi)、箱板(ban)(ban)紙(zhi)(zhi)增加施膠度(du)的(de)(de)檢(jian)測項(xiang)目, 因為原(yuan)(yuan)(yuan)紙(zhi)(zhi)表面如果施膠度(du)好, 原(yuan)(yuan)(yuan)紙(zhi)(zhi)就(jiu)不易吸濕, 裱貼時(shi)粘合劑吸收(shou)量相(xiang)應(ying)也(ye)少(shao), 有(you)利于(yu)紙(zhi)(zhi)板(ban)(ban)的(de)(de)干燥和(he)提高紙(zhi)(zhi)箱強度(du)。

此外,就(jiu)是(shi)(shi)(shi)要對(dui)采購(gou)(gou)的原(yuan)紙進(jin)行驗收,按標準、按合(he)(he)同規(gui)(gui)定的規(gui)(gui)則進(jin)行檢驗,這是(shi)(shi)(shi)保證采購(gou)(gou)質量(liang)的重要一環。因(yin)為買(mai)(mai)原(yuan)紙不是(shi)(shi)(shi)簡(jian)單的買(mai)(mai)品(pin)種、買(mai)(mai)數量(liang),而(er)是(shi)(shi)(shi)買(mai)(mai)原(yuan)紙的標準和(he)質量(liang), 可以說(shuo), 買(mai)(mai)合(he)(he)格的原(yuan)紙,是(shi)(shi)(shi)降低生產成本(ben),提高紙箱質量(liang)的基(ji)礎。

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