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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(chang)見問答(da) 時間:2020-04-26 10:00:24

不(bu)同(tong)結構(gou)、不(bu)同(tong)材質(zhi)的(de)紙(zhi)(zhi)(zhi)箱,其價格也截(jie)然(ran)不(bu)同(tong),并且價格與原紙(zhi)(zhi)(zhi)的(de)品(pin)種、質(zhi)量等(deng)級(ji)關系較大。制(zhi)作(zuo)紙(zhi)(zhi)(zhi)箱就是要根(gen)據紙(zhi)(zhi)(zhi)箱的(de)使(shi)用(yong)特點和(he)(he)(he)運輸條件(jian)確定用(yong)紙(zhi)(zhi)(zhi)品(pin)種和(he)(he)(he)質(zhi)量, 這是保持適度(du)包裝(zhuang),控制(zhi)生產成本所值得(de)重視的(de)環(huan)節。制(zhi)作(zuo)紙(zhi)(zhi)(zhi)箱的(de)原紙(zhi)(zhi)(zhi)主要包括白紙(zhi)(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)、普通箱紙(zhi)(zhi)(zhi)板(ban)和(he)(he)(he)牛皮掛面箱紙(zhi)(zhi)(zhi)板(ban)等(deng), 這些原紙(zhi)(zhi)(zhi)的(de)制(zhi)作(zuo)工藝和(he)(he)(he)材料上(shang)的(de)不(bu)同(tong),標準也有所差異。

涂布白(bai)紙(zhi)(zhi)(zhi)板有(you)白(bai)底和(he)灰底兩種(zhong),質(zhi)量(liang)(liang)等級也有(you)優等品(pin)、一等品(pin)、合格品(pin)三(san)種(zhong),檢測的(de)項目(mu)有(you):水(shui)分、定量(liang)(liang)、定量(liang)(liang)偏差、橫幅定量(liang)(liang)差、緊度(du)(du)、亮度(du)(du)(白(bai)度(du)(du))、印(yin)(yin)刷表(biao)面(mian)粗糙度(du)(du)、平滑度(du)(du)、印(yin)(yin)刷光(guang)澤度(du)(du)、油墨吸收性(xing)、印(yin)(yin)刷表(biao)面(mian)強(qiang)度(du)(du)、吸水(shui)性(xing)、橫向(xiang)挺(ting)度(du)(du)和(he)塵埃度(du)(du)等。白(bai)紙(zhi)(zhi)(zhi)板是預印(yin)(yin)紙(zhi)(zhi)(zhi)箱面(mian)紙(zhi)(zhi)(zhi)的(de)采用材(cai)料, 白(bai)紙(zhi)(zhi)(zhi)板的(de)質(zhi)量(liang)(liang)對紙(zhi)(zhi)(zhi)箱的(de)印(yin)(yin)刷和(he)強(qiang)度(du)(du)都有(you)較(jiao)大的(de)影響。

白(bai)紙(zhi)(zhi)板的水分、印(yin)刷(shua)(shua)表面(mian)(mian)(mian)粗糙度(du)(du)(du)(du)、平(ping)滑度(du)(du)(du)(du)和表面(mian)(mian)(mian)強度(du)(du)(du)(du)等(deng), 對印(yin)刷(shua)(shua)質量的影響比(bi)較敏感, 水分對印(yin)刷(shua)(shua)版面(mian)(mian)(mian)的套準(zhun)會有一(yi)定的影響, 而(er)(er)印(yin)刷(shua)(shua)表面(mian)(mian)(mian)粗糙度(du)(du)(du)(du)、平(ping)滑度(du)(du)(du)(du)和表面(mian)(mian)(mian)強度(du)(du)(du)(du)指標對印(yin)刷(shua)(shua)質量影響較大, 如印(yin)刷(shua)(shua)油墨層(ceng)能否(fou)(fou)飽和、紙(zhi)(zhi)面(mian)(mian)(mian)印(yin)刷(shua)(shua)后能否(fou)(fou)出(chu)現脫層(ceng)和起泡問題。白(bai)紙(zhi)(zhi)板的橫向挺度(du)(du)(du)(du)則(ze)影響到(dao)紙(zhi)(zhi)箱的抗(kang)壓強度(du)(du)(du)(du);白(bai)紙(zhi)(zhi)板的緊度(du)(du)(du)(du)不(bu)是越(yue)高越(yue)好(hao),而(er)(er)是規(gui)定不(bu)大于一(yi)個標準(zhun)值,如優等(deng)品(定量≤300g/m 2)不(bu)大于0.88g/cm3。

因為如(ru)果(guo)白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)緊(jin)(jin)度(du)(du)(du)(du)過高(gao),紙(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋(gai)的(de)(de)(de)耐折度(du)(du)(du)(du)就會明(ming)顯(xian)下降(jiang),使用(yong)(yong)過程中(zhong)搖蓋(gai)就容易出現(xian)斷裂(lie)現(xian)象。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)多(duo)用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)瓦(wa)楞(leng)層(ceng)(ceng),也(ye)有(you)的(de)(de)(de)用(yong)(yong)于瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾(jia)芯(xin)層(ceng)(ceng)或里層(ceng)(ceng)。用(yong)(yong)于瓦(wa)楞(leng)層(ceng)(ceng)的(de)(de)(de)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi), 它(ta)的(de)(de)(de)質(zhi)量(liang)(liang)(liang)如(ru)何直(zhi)接影(ying)(ying)響到紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)抗壓(ya)(ya)強(qiang)度(du)(du)(du)(du)。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)標(biao)(biao)準分(fen)(fen)A、B、C、D 4個等(deng)級,A 等(deng)質(zhi)量(liang)(liang)(liang)指(zhi)標(biao)(biao)更高(gao),其常(chang)規檢驗的(de)(de)(de)項目有(you): 水分(fen)(fen)、定量(liang)(liang)(liang)、緊(jin)(jin)度(du)(du)(du)(du)、橫(heng)向(xiang)環壓(ya)(ya)指(zhi)數(shu)(shu)和(he)(he)裂(lie)斷長等(deng), 其中(zhong)橫(heng)向(xiang)環壓(ya)(ya)指(zhi)數(shu)(shu)、定量(liang)(liang)(liang)和(he)(he)緊(jin)(jin)度(du)(du)(du)(du)指(zhi)標(biao)(biao),對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)邊壓(ya)(ya)強(qiang)度(du)(du)(du)(du)影(ying)(ying)響較大。箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)一般用(yong)(yong)于紙(zhi)(zhi)(zhi)(zhi)箱(xiang)面紙(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi),其質(zhi)量(liang)(liang)(liang)對(dui)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)強(qiang)度(du)(du)(du)(du)影(ying)(ying)響較大。普(pu)通箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮(pi)掛面箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分(fen)(fen)為優等(deng)品、一等(deng)品、合格(ge)品3種。檢測的(de)(de)(de)項目有(you):水分(fen)(fen)、定量(liang)(liang)(liang)、緊(jin)(jin)度(du)(du)(du)(du)、橫(heng)向(xiang)環壓(ya)(ya)指(zhi)數(shu)(shu)、耐破(po)指(zhi)數(shu)(shu)、正(zheng)反面吸水性(xing)、橫(heng)向(xiang)耐折度(du)(du)(du)(du)等(deng), 其中(zhong)橫(heng)向(xiang)環壓(ya)(ya)指(zhi)數(shu)(shu)、耐破(po)指(zhi)數(shu)(shu)和(he)(he)定量(liang)(liang)(liang)對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)耐破(po)度(du)(du)(du)(du)、戳(chuo)穿(chuan)強(qiang)度(du)(du)(du)(du)和(he)(he)邊壓(ya)(ya)強(qiang)度(du)(du)(du)(du)影(ying)(ying)響明(ming)顯(xian),這些都是生產工藝實(shi)踐所證(zheng)明(ming)的(de)(de)(de)客觀(guan)事實(shi)。

所以,原(yuan)紙(zhi)(zhi)作為紙(zhi)(zhi)箱質(zhi)量的(de)(de)(de)(de)源頭環(huan)節, 必(bi)須進行(xing)嚴(yan)密、有效的(de)(de)(de)(de)控(kong)制。主要(yao)做(zuo)法有:采購時(shi)在合同中(zhong)要(yao)明確原(yuan)紙(zhi)(zhi)采購的(de)(de)(de)(de)品(pin)種、質(zhi)量等級和(he)標準項(xiang)目的(de)(de)(de)(de)要(yao)求(qiu),檢驗(yan)項(xiang)目、標準值可以參(can)照相關的(de)(de)(de)(de)國標, 也可以由供(gong)需雙方約定(ding)。應根(gen)據產品(pin)的(de)(de)(de)(de)特點確定(ding)原(yuan)紙(zhi)(zhi)的(de)(de)(de)(de)標準和(he)檢驗(yan)項(xiang)目,如可對瓦楞(leng)紙(zhi)(zhi)、箱板紙(zhi)(zhi)增加施膠(jiao)度的(de)(de)(de)(de)檢測項(xiang)目, 因為原(yuan)紙(zhi)(zhi)表面如果施膠(jiao)度好(hao), 原(yuan)紙(zhi)(zhi)就不易吸濕, 裱貼時(shi)粘(zhan)合劑(ji)吸收量相應也少, 有利(li)于(yu)紙(zhi)(zhi)板的(de)(de)(de)(de)干燥和(he)提高紙(zhi)(zhi)箱強度。

此外,就(jiu)是要對采購(gou)的(de)原紙(zhi)進行驗(yan)收(shou),按標準(zhun)、按合同(tong)規(gui)定的(de)規(gui)則進行檢驗(yan),這是保證采購(gou)質量的(de)重要一(yi)環。因(yin)為買(mai)(mai)原紙(zhi)不是簡單的(de)買(mai)(mai)品種、買(mai)(mai)數(shu)量,而是買(mai)(mai)原紙(zhi)的(de)標準(zhun)和(he)質量, 可(ke)以說, 買(mai)(mai)合格(ge)的(de)原紙(zhi),是降(jiang)低生產(chan)成(cheng)本,提(ti)高紙(zhi)箱質量的(de)基礎。

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