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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(jian)問答 時(shi)間:2020-04-26 10:00:24

不(bu)同(tong)(tong)結構、不(bu)同(tong)(tong)材(cai)質(zhi)的紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang),其價(jia)格(ge)(ge)也(ye)截(jie)然不(bu)同(tong)(tong),并(bing)且價(jia)格(ge)(ge)與原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的品種(zhong)、質(zhi)量等級關系較大。制作紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)就(jiu)是要根(gen)據紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的使用(yong)特點和(he)運輸條件確定(ding)用(yong)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品種(zhong)和(he)質(zhi)量, 這是保持適(shi)度包裝,控制生產成本所(suo)值(zhi)得重(zhong)視(shi)的環節。制作紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)的原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)主要包括(kuo)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)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)和(he)牛皮(pi)掛面(mian)箱(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)等, 這些原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的制作工藝(yi)和(he)材(cai)料上(shang)的不(bu)同(tong)(tong),標準(zhun)也(ye)有所(suo)差異(yi)。

涂布(bu)白紙(zhi)板(ban)有白底(di)和灰底(di)兩種,質量(liang)等(deng)(deng)(deng)(deng)級也有優(you)等(deng)(deng)(deng)(deng)品(pin)(pin)、一(yi)等(deng)(deng)(deng)(deng)品(pin)(pin)、合格品(pin)(pin)三(san)種,檢測的(de)(de)項目有:水(shui)分(fen)、定量(liang)、定量(liang)偏差(cha)、橫(heng)幅定量(liang)差(cha)、緊(jin)度(du)(du)(du)、亮(liang)度(du)(du)(du)(白度(du)(du)(du))、印(yin)刷(shua)(shua)(shua)表(biao)面粗糙度(du)(du)(du)、平(ping)滑度(du)(du)(du)、印(yin)刷(shua)(shua)(shua)光澤度(du)(du)(du)、油墨吸(xi)收性(xing)、印(yin)刷(shua)(shua)(shua)表(biao)面強(qiang)度(du)(du)(du)、吸(xi)水(shui)性(xing)、橫(heng)向挺度(du)(du)(du)和塵埃度(du)(du)(du)等(deng)(deng)(deng)(deng)。白紙(zhi)板(ban)是預印(yin)紙(zhi)箱(xiang)面紙(zhi)的(de)(de)采用材料(liao), 白紙(zhi)板(ban)的(de)(de)質量(liang)對(dui)紙(zhi)箱(xiang)的(de)(de)印(yin)刷(shua)(shua)(shua)和強(qiang)度(du)(du)(du)都有較(jiao)大的(de)(de)影響(xiang)。

白(bai)紙板(ban)的(de)水分(fen)、印(yin)(yin)(yin)刷(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平滑度(du)(du)和(he)表(biao)面(mian)強度(du)(du)等, 對印(yin)(yin)(yin)刷(shua)質量(liang)(liang)的(de)影響比(bi)較敏感, 水分(fen)對印(yin)(yin)(yin)刷(shua)版面(mian)的(de)套準會有一定(ding)的(de)影響, 而印(yin)(yin)(yin)刷(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平滑度(du)(du)和(he)表(biao)面(mian)強度(du)(du)指標對印(yin)(yin)(yin)刷(shua)質量(liang)(liang)影響較大(da)(da), 如印(yin)(yin)(yin)刷(shua)油墨層能(neng)(neng)否(fou)飽和(he)、紙面(mian)印(yin)(yin)(yin)刷(shua)后能(neng)(neng)否(fou)出(chu)現脫層和(he)起泡(pao)問題。白(bai)紙板(ban)的(de)橫(heng)向挺度(du)(du)則影響到紙箱的(de)抗壓強度(du)(du);白(bai)紙板(ban)的(de)緊度(du)(du)不(bu)是越(yue)(yue)高越(yue)(yue)好,而是規定(ding)不(bu)大(da)(da)于一個(ge)標準值,如優等品(定(ding)量(liang)(liang)≤300g/m 2)不(bu)大(da)(da)于0.88g/cm3。

因(yin)為(wei)如(ru)果白(bai)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)緊(jin)(jin)度(du)過(guo)高,紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋的(de)(de)耐(nai)(nai)折度(du)就會明(ming)顯下降(jiang),使(shi)用(yong)過(guo)程中(zhong)搖蓋就容(rong)易出(chu)現斷(duan)裂(lie)現象。瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)多用(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)瓦(wa)(wa)楞(leng)(leng)(leng)層(ceng),也有的(de)(de)用(yong)于瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)夾芯層(ceng)或里(li)層(ceng)。用(yong)于瓦(wa)(wa)楞(leng)(leng)(leng)層(ceng)的(de)(de)瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi), 它的(de)(de)質量如(ru)何直接影(ying)響到(dao)紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)抗壓(ya)(ya)(ya)強(qiang)度(du)。瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)標準分(fen)A、B、C、D 4個(ge)等級,A 等質量指(zhi)標更高,其(qi)(qi)常規檢(jian)驗的(de)(de)項目(mu)(mu)有: 水(shui)分(fen)、定(ding)量、緊(jin)(jin)度(du)、橫(heng)向環(huan)壓(ya)(ya)(ya)指(zhi)數(shu)和(he)(he)裂(lie)斷(duan)長等, 其(qi)(qi)中(zhong)橫(heng)向環(huan)壓(ya)(ya)(ya)指(zhi)數(shu)、定(ding)量和(he)(he)緊(jin)(jin)度(du)指(zhi)標,對瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)邊壓(ya)(ya)(ya)強(qiang)度(du)影(ying)響較(jiao)大(da)。箱(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)一般(ban)用(yong)于紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)(zhi)或里(li)紙(zhi)(zhi)(zhi)(zhi)(zhi),其(qi)(qi)質量對紙(zhi)(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)強(qiang)度(du)影(ying)響較(jiao)大(da)。普通箱(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)和(he)(he)牛皮掛面(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)分(fen)為(wei)優等品、一等品、合格品3種。檢(jian)測的(de)(de)項目(mu)(mu)有:水(shui)分(fen)、定(ding)量、緊(jin)(jin)度(du)、橫(heng)向環(huan)壓(ya)(ya)(ya)指(zhi)數(shu)、耐(nai)(nai)破指(zhi)數(shu)、正反面(mian)吸水(shui)性(xing)、橫(heng)向耐(nai)(nai)折度(du)等, 其(qi)(qi)中(zhong)橫(heng)向環(huan)壓(ya)(ya)(ya)指(zhi)數(shu)、耐(nai)(nai)破指(zhi)數(shu)和(he)(he)定(ding)量對瓦(wa)(wa)楞(leng)(leng)(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)耐(nai)(nai)破度(du)、戳穿強(qiang)度(du)和(he)(he)邊壓(ya)(ya)(ya)強(qiang)度(du)影(ying)響明(ming)顯,這些都是生產工藝實踐所證明(ming)的(de)(de)客觀事實。

所以,原紙作為紙箱(xiang)質量(liang)(liang)的(de)(de)源(yuan)頭環節, 必(bi)須(xu)進行嚴(yan)密、有效的(de)(de)控制。主要做法有:采購時(shi)在合同中要明確原紙采購的(de)(de)品種、質量(liang)(liang)等級和標準項(xiang)(xiang)目(mu)的(de)(de)要求(qiu),檢驗項(xiang)(xiang)目(mu)、標準值可(ke)以參照(zhao)相(xiang)關的(de)(de)國標, 也可(ke)以由供(gong)需(xu)雙方約定。應根據(ju)產品的(de)(de)特點確定原紙的(de)(de)標準和檢驗項(xiang)(xiang)目(mu),如可(ke)對瓦楞紙、箱(xiang)板(ban)紙增加施(shi)膠度的(de)(de)檢測(ce)項(xiang)(xiang)目(mu), 因為原紙表面如果施(shi)膠度好(hao), 原紙就不易吸濕(shi), 裱(biao)貼時(shi)粘合劑吸收量(liang)(liang)相(xiang)應也少, 有利于(yu)紙板(ban)的(de)(de)干燥和提高紙箱(xiang)強度。

此外,就是(shi)要對采購(gou)的(de)(de)原(yuan)紙(zhi)進(jin)行驗收,按標準、按合同規定的(de)(de)規則(ze)進(jin)行檢驗,這是(shi)保證采購(gou)質量的(de)(de)重要一(yi)環。因(yin)為買(mai)(mai)原(yuan)紙(zhi)不是(shi)簡單的(de)(de)買(mai)(mai)品種(zhong)、買(mai)(mai)數(shu)量,而是(shi)買(mai)(mai)原(yuan)紙(zhi)的(de)(de)標準和(he)質量, 可(ke)以說, 買(mai)(mai)合格的(de)(de)原(yuan)紙(zhi),是(shi)降低(di)生產(chan)成本,提(ti)高紙(zhi)箱質量的(de)(de)基礎。

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