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七層(ceng)(ceng)瓦楞紙(zhi)箱(xiang)又稱為七層(ceng)(ceng)瓦楞紙(zhi)板。即三芯(xin)雙面七層(ceng)(ceng)紙(zhi)板,由兩層(ceng)(ceng)箱(xiang)紙(zhi)板和三層(ceng)(ceng)瓦楞原紙(zhi)制成。
七(qi)層(ceng)(ceng)瓦楞紙(zhi)箱又(you)稱為(wei)七(qi)層(ceng)(ceng)瓦楞紙(zhi)板(ban)。即三(san)芯雙面七(qi)層(ceng)(ceng)紙(zhi)板(ban),由兩(liang)層(ceng)(ceng)箱紙(zhi)板(ban)和三(san)層(ceng)(ceng)瓦楞原紙(zhi)制成。
主(zhu)要用于(yu)重(zhong)型商品(如(ru)摩托車、鋼(gang)琴等(deng))的包(bao)裝(zhuang)箱,或(huo)包(bao)裝(zhuang)大型電(dian)器、小型機床等(deng),也(ye)可用其作一些高強特(te)殊襯墊。GB/T 6544-1999《包(bao)裝(zhuang)材料(liao) 瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板》國家標準中(zhong)將單(dan)瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板和雙瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板按(an)質量分(fen)為優等(deng)品(適用于(yu)出口商品及貴重(zhong)物品包(bao)裝(zhuang)用瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板)、一等(deng)品(適用于(yu)內銷物品包(bao)裝(zhuang)用瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板)、合格(ge)品(適用于(yu)短途(tu)、低廉商品包(bao)裝(zhuang)用瓦(wa)楞(leng)(leng)紙(zhi)(zhi)板)
瓦(wa)楞紙(zhi)板(ban)主(zhu)要物(wu)理性能指(zhi)標有:瓦(wa)楞紙(zhi)板(ban)耐(nai)破度、瓦(wa)楞紙(zhi)板(ban)邊(bian)壓(ya)強度、瓦(wa)楞紙(zhi)板(ban)黏合強度、交貨(huo)水分、瓦(wa)楞紙(zhi)板(ban)厚度。
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