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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)(bu)同(tong)結構、不(bu)(bu)同(tong)材質(zhi)的(de)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱,其(qi)價格也(ye)截然不(bu)(bu)同(tong),并且價格與(yu)原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)品(pin)種、質(zhi)量(liang)等級關系較大。制(zhi)作紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱就是要根據紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)使(shi)用特點(dian)和(he)運輸條件(jian)確(que)定(ding)用紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)種和(he)質(zhi)量(liang), 這是保持(chi)適度包(bao)裝,控制(zhi)生(sheng)產成本所值得重(zhong)視(shi)的(de)環節。制(zhi)作紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)箱的(de)原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)主(zhu)要包(bao)括白紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)、瓦楞(leng)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、普通箱紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)和(he)牛(niu)皮(pi)掛(gua)面箱紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)板(ban)等, 這些原(yuan)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)制(zhi)作工藝和(he)材料上(shang)的(de)不(bu)(bu)同(tong),標(biao)準也(ye)有所差異。

涂布(bu)白(bai)紙板(ban)有(you)(you)白(bai)底和(he)灰底兩種(zhong),質(zhi)量(liang)等(deng)級也有(you)(you)優等(deng)品、一等(deng)品、合格品三(san)種(zhong),檢測的(de)項目有(you)(you):水(shui)分、定量(liang)、定量(liang)偏差(cha)、橫幅定量(liang)差(cha)、緊(jin)度(du)(du)(du)、亮度(du)(du)(du)(白(bai)度(du)(du)(du))、印(yin)刷(shua)表(biao)面(mian)(mian)粗糙度(du)(du)(du)、平(ping)滑度(du)(du)(du)、印(yin)刷(shua)光澤度(du)(du)(du)、油(you)墨吸(xi)(xi)收(shou)性(xing)、印(yin)刷(shua)表(biao)面(mian)(mian)強度(du)(du)(du)、吸(xi)(xi)水(shui)性(xing)、橫向(xiang)挺度(du)(du)(du)和(he)塵埃度(du)(du)(du)等(deng)。白(bai)紙板(ban)是預印(yin)紙箱(xiang)面(mian)(mian)紙的(de)采用材料, 白(bai)紙板(ban)的(de)質(zhi)量(liang)對紙箱(xiang)的(de)印(yin)刷(shua)和(he)強度(du)(du)(du)都有(you)(you)較(jiao)大的(de)影(ying)響。

白紙(zhi)(zhi)板(ban)的(de)(de)(de)水分、印(yin)刷表(biao)面(mian)粗糙度(du)(du)(du)、平(ping)滑度(du)(du)(du)和(he)(he)表(biao)面(mian)強度(du)(du)(du)等, 對(dui)(dui)印(yin)刷質(zhi)量(liang)的(de)(de)(de)影響比較敏感, 水分對(dui)(dui)印(yin)刷版面(mian)的(de)(de)(de)套準會有一定(ding)的(de)(de)(de)影響, 而印(yin)刷表(biao)面(mian)粗糙度(du)(du)(du)、平(ping)滑度(du)(du)(du)和(he)(he)表(biao)面(mian)強度(du)(du)(du)指標對(dui)(dui)印(yin)刷質(zhi)量(liang)影響較大, 如印(yin)刷油墨層能(neng)否飽和(he)(he)、紙(zhi)(zhi)面(mian)印(yin)刷后能(neng)否出現脫層和(he)(he)起泡問題(ti)。白紙(zhi)(zhi)板(ban)的(de)(de)(de)橫向挺度(du)(du)(du)則影響到紙(zhi)(zhi)箱的(de)(de)(de)抗壓強度(du)(du)(du);白紙(zhi)(zhi)板(ban)的(de)(de)(de)緊度(du)(du)(du)不(bu)(bu)是(shi)越(yue)高越(yue)好,而是(shi)規定(ding)不(bu)(bu)大于(yu)一個標準值(zhi),如優等品(定(ding)量(liang)≤300g/m 2)不(bu)(bu)大于(yu)0.88g/cm3。

因為如果(guo)白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)緊(jin)度(du)(du)過高(gao),紙(zhi)(zhi)(zhi)(zhi)箱(xiang)搖蓋的(de)(de)(de)(de)耐(nai)(nai)折(zhe)度(du)(du)就會明(ming)顯(xian)下降,使用(yong)過程中搖蓋就容易出現斷裂現象。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)多(duo)用(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)瓦(wa)楞(leng)層(ceng),也有的(de)(de)(de)(de)用(yong)于(yu)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)夾芯層(ceng)或里層(ceng)。用(yong)于(yu)瓦(wa)楞(leng)層(ceng)的(de)(de)(de)(de)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)(de)質量如何直(zhi)接影(ying)響到紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)抗(kang)壓(ya)(ya)強(qiang)度(du)(du)。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)標準分(fen)A、B、C、D 4個等(deng)(deng)級(ji),A 等(deng)(deng)質量指(zhi)(zhi)標更高(gao),其(qi)常規(gui)檢驗的(de)(de)(de)(de)項目有: 水(shui)分(fen)、定(ding)(ding)量、緊(jin)度(du)(du)、橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)和裂斷長等(deng)(deng), 其(qi)中橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、定(ding)(ding)量和緊(jin)度(du)(du)指(zhi)(zhi)標,對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)邊壓(ya)(ya)強(qiang)度(du)(du)影(ying)響較大。箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)一般(ban)用(yong)于(yu)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)面(mian)紙(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi),其(qi)質量對(dui)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的(de)(de)(de)(de)強(qiang)度(du)(du)影(ying)響較大。普通箱(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)和牛皮掛面(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)分(fen)為優(you)等(deng)(deng)品、一等(deng)(deng)品、合格品3種。檢測的(de)(de)(de)(de)項目有:水(shui)分(fen)、定(ding)(ding)量、緊(jin)度(du)(du)、橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)(nai)破(po)指(zhi)(zhi)數(shu)(shu)(shu)、正反面(mian)吸(xi)水(shui)性、橫向耐(nai)(nai)折(zhe)度(du)(du)等(deng)(deng), 其(qi)中橫向環(huan)壓(ya)(ya)指(zhi)(zhi)數(shu)(shu)(shu)、耐(nai)(nai)破(po)指(zhi)(zhi)數(shu)(shu)(shu)和定(ding)(ding)量對(dui)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)耐(nai)(nai)破(po)度(du)(du)、戳(chuo)穿強(qiang)度(du)(du)和邊壓(ya)(ya)強(qiang)度(du)(du)影(ying)響明(ming)顯(xian),這些都(dou)是生產工藝實(shi)踐所證明(ming)的(de)(de)(de)(de)客(ke)觀事(shi)實(shi)。

所(suo)以,原(yuan)(yuan)紙(zhi)(zhi)(zhi)作為紙(zhi)(zhi)(zhi)箱(xiang)質量(liang)的(de)源頭(tou)環節(jie), 必須進行嚴密(mi)、有(you)效的(de)控制。主要做法有(you):采購時在合同中(zhong)要明確原(yuan)(yuan)紙(zhi)(zhi)(zhi)采購的(de)品種(zhong)、質量(liang)等級和標(biao)(biao)準(zhun)項目(mu)(mu)的(de)要求,檢驗項目(mu)(mu)、標(biao)(biao)準(zhun)值可(ke)以參照相關的(de)國(guo)標(biao)(biao), 也(ye)可(ke)以由供需雙(shuang)方約定(ding)。應根據產品的(de)特點確定(ding)原(yuan)(yuan)紙(zhi)(zhi)(zhi)的(de)標(biao)(biao)準(zhun)和檢驗項目(mu)(mu),如可(ke)對瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)、箱(xiang)板紙(zhi)(zhi)(zhi)增加施膠(jiao)度(du)的(de)檢測項目(mu)(mu), 因為原(yuan)(yuan)紙(zhi)(zhi)(zhi)表面(mian)如果施膠(jiao)度(du)好(hao), 原(yuan)(yuan)紙(zhi)(zhi)(zhi)就不易吸(xi)濕, 裱(biao)貼時粘合劑(ji)吸(xi)收量(liang)相應也(ye)少, 有(you)利于(yu)紙(zhi)(zhi)(zhi)板的(de)干燥(zao)和提高紙(zhi)(zhi)(zhi)箱(xiang)強度(du)。

此外,就(jiu)是(shi)(shi)要對采(cai)(cai)購(gou)的原(yuan)(yuan)紙(zhi)進(jin)行驗(yan)(yan)收,按標(biao)準、按合同(tong)規(gui)定的規(gui)則進(jin)行檢驗(yan)(yan),這是(shi)(shi)保證采(cai)(cai)購(gou)質(zhi)量的重要一環。因(yin)為買(mai)原(yuan)(yuan)紙(zhi)不(bu)是(shi)(shi)簡單(dan)的買(mai)品種、買(mai)數量,而是(shi)(shi)買(mai)原(yuan)(yuan)紙(zhi)的標(biao)準和質(zhi)量, 可以(yi)說(shuo), 買(mai)合格(ge)的原(yuan)(yuan)紙(zhi),是(shi)(shi)降低生產成(cheng)本,提高紙(zhi)箱質(zhi)量的基(ji)礎。

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