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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(wen)答 時間(jian):2020-04-26 10:00:24

不同(tong)結構、不同(tong)材(cai)(cai)質(zhi)的紙(zhi)(zhi)(zhi)(zhi)箱(xiang),其價(jia)(jia)格(ge)也截然不同(tong),并且價(jia)(jia)格(ge)與(yu)原(yuan)紙(zhi)(zhi)(zhi)(zhi)的品種、質(zhi)量等級關系較大。制(zhi)(zhi)作紙(zhi)(zhi)(zhi)(zhi)箱(xiang)就是要根據紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的使(shi)用(yong)特點和運(yun)輸條件(jian)確(que)定(ding)用(yong)紙(zhi)(zhi)(zhi)(zhi)品種和質(zhi)量, 這是保(bao)持適度(du)包裝,控制(zhi)(zhi)生產(chan)成本所值得重視的環節。制(zhi)(zhi)作紙(zhi)(zhi)(zhi)(zhi)箱(xiang)的原(yuan)紙(zhi)(zhi)(zhi)(zhi)主要包括白紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)、瓦楞紙(zhi)(zhi)(zhi)(zhi)、茶(cha)板(ban)(ban)紙(zhi)(zhi)(zhi)(zhi)、普通箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)和牛皮掛面(mian)箱(xiang)紙(zhi)(zhi)(zhi)(zhi)板(ban)(ban)等, 這些原(yuan)紙(zhi)(zhi)(zhi)(zhi)的制(zhi)(zhi)作工藝和材(cai)(cai)料上的不同(tong),標準也有所差異。

涂布(bu)白紙(zhi)板有(you)(you)白底和灰底兩種(zhong),質量(liang)等(deng)級也有(you)(you)優等(deng)品(pin)、一(yi)等(deng)品(pin)、合格(ge)品(pin)三種(zhong),檢測(ce)的(de)項目有(you)(you):水分(fen)、定量(liang)、定量(liang)偏差(cha)、橫幅定量(liang)差(cha)、緊度(du)、亮度(du)(白度(du))、印(yin)(yin)刷(shua)表(biao)面粗糙度(du)、平滑度(du)、印(yin)(yin)刷(shua)光澤度(du)、油墨吸收性(xing)、印(yin)(yin)刷(shua)表(biao)面強度(du)、吸水性(xing)、橫向挺度(du)和塵埃度(du)等(deng)。白紙(zhi)板是預印(yin)(yin)紙(zhi)箱(xiang)面紙(zhi)的(de)采用材料, 白紙(zhi)板的(de)質量(liang)對(dui)紙(zhi)箱(xiang)的(de)印(yin)(yin)刷(shua)和強度(du)都有(you)(you)較大的(de)影響(xiang)。

白(bai)紙板(ban)(ban)的(de)(de)水分(fen)、印(yin)(yin)刷(shua)(shua)表(biao)面(mian)(mian)粗(cu)糙(cao)度、平(ping)滑度和(he)(he)表(biao)面(mian)(mian)強度等(deng), 對(dui)印(yin)(yin)刷(shua)(shua)質量(liang)的(de)(de)影響比較(jiao)敏感, 水分(fen)對(dui)印(yin)(yin)刷(shua)(shua)版面(mian)(mian)的(de)(de)套準(zhun)會有(you)一(yi)定的(de)(de)影響, 而(er)印(yin)(yin)刷(shua)(shua)表(biao)面(mian)(mian)粗(cu)糙(cao)度、平(ping)滑度和(he)(he)表(biao)面(mian)(mian)強度指(zhi)標對(dui)印(yin)(yin)刷(shua)(shua)質量(liang)影響較(jiao)大, 如(ru)印(yin)(yin)刷(shua)(shua)油墨(mo)層能否飽和(he)(he)、紙面(mian)(mian)印(yin)(yin)刷(shua)(shua)后(hou)能否出現脫(tuo)層和(he)(he)起泡問題。白(bai)紙板(ban)(ban)的(de)(de)橫向挺度則影響到紙箱的(de)(de)抗壓強度;白(bai)紙板(ban)(ban)的(de)(de)緊度不(bu)是越高越好,而(er)是規定不(bu)大于(yu)一(yi)個標準(zhun)值,如(ru)優等(deng)品(定量(liang)≤300g/m 2)不(bu)大于(yu)0.88g/cm3。

因為如果(guo)白紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)緊度(du)(du)(du)(du)過高(gao),紙(zhi)(zhi)(zhi)箱(xiang)(xiang)搖(yao)(yao)蓋(gai)的(de)(de)(de)(de)(de)耐(nai)(nai)折度(du)(du)(du)(du)就會明(ming)顯(xian)下降,使用(yong)過程中(zhong)搖(yao)(yao)蓋(gai)就容易出現(xian)斷(duan)裂(lie)現(xian)象。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)多用(yong)于紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)瓦(wa)楞(leng)層,也(ye)有(you)的(de)(de)(de)(de)(de)用(yong)于瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)夾(jia)芯層或(huo)里層。用(yong)于瓦(wa)楞(leng)層的(de)(de)(de)(de)(de)瓦(wa)楞(leng)紙(zhi)(zhi)(zhi), 它(ta)的(de)(de)(de)(de)(de)質(zhi)(zhi)量如何直接影響到紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)抗(kang)壓(ya)(ya)(ya)強(qiang)(qiang)度(du)(du)(du)(du)。瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)標準(zhun)分(fen)(fen)A、B、C、D 4個等(deng)(deng)級,A 等(deng)(deng)質(zhi)(zhi)量指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)標更高(gao),其(qi)(qi)(qi)常規檢(jian)驗的(de)(de)(de)(de)(de)項目有(you): 水分(fen)(fen)、定量、緊度(du)(du)(du)(du)、橫(heng)(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數和裂(lie)斷(duan)長等(deng)(deng), 其(qi)(qi)(qi)中(zhong)橫(heng)(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數、定量和緊度(du)(du)(du)(du)指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)標,對瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)邊壓(ya)(ya)(ya)強(qiang)(qiang)度(du)(du)(du)(du)影響較大。箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)一(yi)般用(yong)于紙(zhi)(zhi)(zhi)箱(xiang)(xiang)面紙(zhi)(zhi)(zhi)或(huo)里紙(zhi)(zhi)(zhi),其(qi)(qi)(qi)質(zhi)(zhi)量對紙(zhi)(zhi)(zhi)箱(xiang)(xiang)的(de)(de)(de)(de)(de)強(qiang)(qiang)度(du)(du)(du)(du)影響較大。普通箱(xiang)(xiang)板(ban)(ban)紙(zhi)(zhi)(zhi)和牛皮(pi)掛面箱(xiang)(xiang)紙(zhi)(zhi)(zhi)板(ban)(ban)分(fen)(fen)為優等(deng)(deng)品、一(yi)等(deng)(deng)品、合格品3種。檢(jian)測的(de)(de)(de)(de)(de)項目有(you):水分(fen)(fen)、定量、緊度(du)(du)(du)(du)、橫(heng)(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數、耐(nai)(nai)破指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數、正反(fan)面吸水性、橫(heng)(heng)向(xiang)耐(nai)(nai)折度(du)(du)(du)(du)等(deng)(deng), 其(qi)(qi)(qi)中(zhong)橫(heng)(heng)向(xiang)環(huan)壓(ya)(ya)(ya)指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數、耐(nai)(nai)破指(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)數和定量對瓦(wa)楞(leng)紙(zhi)(zhi)(zhi)板(ban)(ban)的(de)(de)(de)(de)(de)耐(nai)(nai)破度(du)(du)(du)(du)、戳穿強(qiang)(qiang)度(du)(du)(du)(du)和邊壓(ya)(ya)(ya)強(qiang)(qiang)度(du)(du)(du)(du)影響明(ming)顯(xian),這(zhe)些都(dou)是生(sheng)產工(gong)藝(yi)實踐所證明(ming)的(de)(de)(de)(de)(de)客觀(guan)事實。

所(suo)以(yi),原(yuan)紙(zhi)(zhi)(zhi)作為紙(zhi)(zhi)(zhi)箱(xiang)質量(liang)的(de)(de)源頭環(huan)節, 必須進行嚴密、有(you)效(xiao)的(de)(de)控制。主要做法有(you):采購(gou)(gou)時在合(he)同中要明確(que)原(yuan)紙(zhi)(zhi)(zhi)采購(gou)(gou)的(de)(de)品(pin)種、質量(liang)等級和(he)標準(zhun)(zhun)項(xiang)目(mu)的(de)(de)要求,檢(jian)(jian)驗(yan)項(xiang)目(mu)、標準(zhun)(zhun)值可以(yi)參照相(xiang)關的(de)(de)國標, 也可以(yi)由(you)供需雙方約(yue)定。應根據產品(pin)的(de)(de)特點(dian)確(que)定原(yuan)紙(zhi)(zhi)(zhi)的(de)(de)標準(zhun)(zhun)和(he)檢(jian)(jian)驗(yan)項(xiang)目(mu),如可對(dui)瓦楞(leng)紙(zhi)(zhi)(zhi)、箱(xiang)板紙(zhi)(zhi)(zhi)增加施(shi)膠度的(de)(de)檢(jian)(jian)測項(xiang)目(mu), 因為原(yuan)紙(zhi)(zhi)(zhi)表面如果(guo)施(shi)膠度好, 原(yuan)紙(zhi)(zhi)(zhi)就不(bu)易吸濕, 裱貼(tie)時粘合(he)劑吸收量(liang)相(xiang)應也少, 有(you)利于紙(zhi)(zhi)(zhi)板的(de)(de)干燥和(he)提高(gao)紙(zhi)(zhi)(zhi)箱(xiang)強(qiang)度。

此外,就是要對(dui)采(cai)購的原紙(zhi)(zhi)進行驗收,按(an)(an)標準、按(an)(an)合同規定的規則進行檢驗,這是保證采(cai)購質量的重要一(yi)環。因為買(mai)(mai)(mai)原紙(zhi)(zhi)不(bu)是簡單的買(mai)(mai)(mai)品(pin)種、買(mai)(mai)(mai)數量,而是買(mai)(mai)(mai)原紙(zhi)(zhi)的標準和質量, 可以(yi)說, 買(mai)(mai)(mai)合格的原紙(zhi)(zhi),是降低生產(chan)成本(ben),提高紙(zhi)(zhi)箱質量的基礎(chu)。

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