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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(da) 時(shi)間:2020-04-26 10:00:24

不同(tong)結構(gou)、不同(tong)材質(zhi)的(de)(de)紙(zhi)(zhi)箱(xiang),其價(jia)格(ge)也截然不同(tong),并且價(jia)格(ge)與原紙(zhi)(zhi)的(de)(de)品種、質(zhi)量等級(ji)關系較大。制作(zuo)紙(zhi)(zhi)箱(xiang)就(jiu)是(shi)要(yao)(yao)根據紙(zhi)(zhi)箱(xiang)的(de)(de)使用特點和運輸條件確定(ding)用紙(zhi)(zhi)品種和質(zhi)量, 這是(shi)保持適度包(bao)裝,控(kong)制生產(chan)成本所值得(de)重視的(de)(de)環節。制作(zuo)紙(zhi)(zhi)箱(xiang)的(de)(de)原紙(zhi)(zhi)主要(yao)(yao)包(bao)括白(bai)紙(zhi)(zhi)板(ban)、瓦楞紙(zhi)(zhi)、茶板(ban)紙(zhi)(zhi)、普通(tong)箱(xiang)紙(zhi)(zhi)板(ban)和牛皮掛面箱(xiang)紙(zhi)(zhi)板(ban)等, 這些原紙(zhi)(zhi)的(de)(de)制作(zuo)工藝和材料上的(de)(de)不同(tong),標準也有所差異(yi)。

涂布白(bai)(bai)紙(zhi)板有白(bai)(bai)底和灰底兩種,質(zhi)量(liang)(liang)等(deng)級也有優等(deng)品、一等(deng)品、合格品三種,檢測的(de)(de)項目有:水(shui)分、定量(liang)(liang)、定量(liang)(liang)偏(pian)差、橫幅定量(liang)(liang)差、緊度(du)(du)、亮度(du)(du)(白(bai)(bai)度(du)(du))、印(yin)刷(shua)(shua)(shua)表(biao)面粗糙度(du)(du)、平滑(hua)度(du)(du)、印(yin)刷(shua)(shua)(shua)光澤度(du)(du)、油墨吸(xi)收性、印(yin)刷(shua)(shua)(shua)表(biao)面強度(du)(du)、吸(xi)水(shui)性、橫向(xiang)挺(ting)度(du)(du)和塵埃度(du)(du)等(deng)。白(bai)(bai)紙(zhi)板是預(yu)印(yin)紙(zhi)箱面紙(zhi)的(de)(de)采用材(cai)料, 白(bai)(bai)紙(zhi)板的(de)(de)質(zhi)量(liang)(liang)對紙(zhi)箱的(de)(de)印(yin)刷(shua)(shua)(shua)和強度(du)(du)都有較大的(de)(de)影響。

白紙(zhi)板(ban)的水(shui)分、印(yin)刷(shua)(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平滑度(du)(du)和(he)(he)表(biao)面(mian)強度(du)(du)等, 對印(yin)刷(shua)(shua)質(zhi)量的影(ying)(ying)響比較(jiao)敏感, 水(shui)分對印(yin)刷(shua)(shua)版(ban)面(mian)的套(tao)準會(hui)有(you)一定(ding)的影(ying)(ying)響, 而印(yin)刷(shua)(shua)表(biao)面(mian)粗(cu)糙度(du)(du)、平滑度(du)(du)和(he)(he)表(biao)面(mian)強度(du)(du)指標對印(yin)刷(shua)(shua)質(zhi)量影(ying)(ying)響較(jiao)大(da), 如(ru)印(yin)刷(shua)(shua)油墨層(ceng)能(neng)否飽和(he)(he)、紙(zhi)面(mian)印(yin)刷(shua)(shua)后能(neng)否出現脫層(ceng)和(he)(he)起(qi)泡(pao)問(wen)題。白紙(zhi)板(ban)的橫向挺度(du)(du)則影(ying)(ying)響到紙(zhi)箱(xiang)的抗壓(ya)強度(du)(du);白紙(zhi)板(ban)的緊度(du)(du)不是越高越好(hao),而是規定(ding)不大(da)于(yu)一個標準值,如(ru)優等品(定(ding)量≤300g/m 2)不大(da)于(yu)0.88g/cm3。

因為如果(guo)白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)緊(jin)(jin)度(du)(du)(du)過(guo)(guo)高,紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)搖蓋的(de)(de)(de)耐折(zhe)(zhe)度(du)(du)(du)就會明顯(xian)下降,使用(yong)過(guo)(guo)程中搖蓋就容易出現(xian)斷裂現(xian)象。瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)多用(yong)于紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)瓦(wa)(wa)楞(leng)層,也有(you)的(de)(de)(de)用(yong)于瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)夾芯層或里層。用(yong)于瓦(wa)(wa)楞(leng)層的(de)(de)(de)瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi), 它的(de)(de)(de)質(zhi)(zhi)量如何(he)直接影(ying)響(xiang)(xiang)到(dao)紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)抗壓(ya)(ya)(ya)強(qiang)度(du)(du)(du)。瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)標(biao)準分A、B、C、D 4個(ge)等(deng)級(ji),A 等(deng)質(zhi)(zhi)量指標(biao)更高,其(qi)(qi)常規檢驗的(de)(de)(de)項目有(you): 水分、定(ding)(ding)量、緊(jin)(jin)度(du)(du)(du)、橫(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指數和裂斷長等(deng), 其(qi)(qi)中橫(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指數、定(ding)(ding)量和緊(jin)(jin)度(du)(du)(du)指標(biao),對瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)邊壓(ya)(ya)(ya)強(qiang)度(du)(du)(du)影(ying)響(xiang)(xiang)較(jiao)大(da)。箱(xiang)(xiang)(xiang)(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)一(yi)般用(yong)于紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)面(mian)(mian)紙(zhi)(zhi)(zhi)(zhi)或里紙(zhi)(zhi)(zhi)(zhi),其(qi)(qi)質(zhi)(zhi)量對紙(zhi)(zhi)(zhi)(zhi)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)強(qiang)度(du)(du)(du)影(ying)響(xiang)(xiang)較(jiao)大(da)。普通箱(xiang)(xiang)(xiang)(xiang)板(ban)(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)和牛皮(pi)掛面(mian)(mian)箱(xiang)(xiang)(xiang)(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)分為優等(deng)品、一(yi)等(deng)品、合格(ge)品3種。檢測的(de)(de)(de)項目有(you):水分、定(ding)(ding)量、緊(jin)(jin)度(du)(du)(du)、橫(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指數、耐破指數、正(zheng)反(fan)面(mian)(mian)吸水性(xing)、橫(heng)向(xiang)耐折(zhe)(zhe)度(du)(du)(du)等(deng), 其(qi)(qi)中橫(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指數、耐破指數和定(ding)(ding)量對瓦(wa)(wa)楞(leng)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)(ban)的(de)(de)(de)耐破度(du)(du)(du)、戳(chuo)穿強(qiang)度(du)(du)(du)和邊壓(ya)(ya)(ya)強(qiang)度(du)(du)(du)影(ying)響(xiang)(xiang)明顯(xian),這(zhe)些都(dou)是生產工藝實踐所證明的(de)(de)(de)客觀事實。

所(suo)以,原紙(zhi)作為(wei)紙(zhi)箱質量的(de)源頭環節, 必須進行嚴密、有(you)(you)效(xiao)的(de)控制。主要(yao)做法有(you)(you):采(cai)購時(shi)在合同中要(yao)明確原紙(zhi)采(cai)購的(de)品(pin)種(zhong)、質量等級和標準(zhun)(zhun)項(xiang)目的(de)要(yao)求,檢驗項(xiang)目、標準(zhun)(zhun)值可(ke)以參(can)照相(xiang)(xiang)關的(de)國標, 也可(ke)以由供需雙方約定(ding)。應根據產品(pin)的(de)特點確定(ding)原紙(zhi)的(de)標準(zhun)(zhun)和檢驗項(xiang)目,如可(ke)對(dui)瓦楞紙(zhi)、箱板(ban)紙(zhi)增加(jia)施(shi)膠度的(de)檢測項(xiang)目, 因為(wei)原紙(zhi)表面如果施(shi)膠度好, 原紙(zhi)就(jiu)不易吸濕, 裱貼(tie)時(shi)粘合劑吸收(shou)量相(xiang)(xiang)應也少(shao), 有(you)(you)利于紙(zhi)板(ban)的(de)干燥和提高紙(zhi)箱強度。

此外,就是(shi)(shi)要(yao)(yao)對采購的原(yuan)紙(zhi)進行驗(yan)收,按標準、按合同規定的規則進行檢驗(yan),這是(shi)(shi)保(bao)證采購質量的重要(yao)(yao)一(yi)環(huan)。因為買(mai)原(yuan)紙(zhi)不是(shi)(shi)簡單的買(mai)品種(zhong)、買(mai)數量,而是(shi)(shi)買(mai)原(yuan)紙(zhi)的標準和質量, 可(ke)以說(shuo), 買(mai)合格(ge)的原(yuan)紙(zhi),是(shi)(shi)降(jiang)低生產成本,提(ti)高紙(zhi)箱(xiang)質量的基礎(chu)。

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