對于吸附性,吸濕(shi)性較大的(de)(de)包(bao)(bao)裝(zhuang)膜,在試驗過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)應考慮(lv)其吸附和脫附等(deng)對實(shi)驗結果(guo)的(de)(de)影(ying)響,同(tong)時(shi)應清楚平(ping)(ping)衡(heng)(heng)時(shi)間一般較長,而且(qie)即(ji)使是(shi)同(tong)一環境下,經過(guo)(guo)(guo)(guo)不(bu)同(tong)過(guo)(guo)(guo)(guo)程(cheng)的(de)(de)平(ping)(ping)衡(heng)(heng)態也(ye)未必相(xiang)同(tong),這就(jiu)是(shi)說(shuo)不(bu)材(cai)料的(de)(de)平(ping)(ping)衡(heng)(heng)態,但與平(ping)(ping)衡(heng)(heng)的(de)(de)環境有關(guan)(guan),而且(qie)與過(guo)(guo)(guo)(guo)程(cheng)有關(guan)(guan)。應該高(gao)(gao)度(du)重視檢測(ce)過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)的(de)(de)泄漏(lou)問題,任何實(shi)驗得出的(de)(de)水蒸(zheng)氣透過(guo)(guo)(guo)(guo)率(lv)和氧(yang)氣透過(guo)(guo)(guo)(guo)率(lv)都(dou)(dou)是(shi)滲透和泄漏(lou)的(de)(de)總和,只有在泄漏(lou)可(ke)(ke)以忽略不(bu)計(ji)的(de)(de)條(tiao)件(jian)(jian)(jian)(jian)下,所測(ce)得的(de)(de)滲透才是(shi)準確的(de)(de)。另外,包(bao)(bao)裝(zhuang)材(cai)料與包(bao)(bao)裝(zhuang)件(jian)(jian)(jian)(jian)是(shi)兩個不(bu)同(tong)的(de)(de)概(gai)念,用高(gao)(gao)阻(zu)隔性的(de)(de)包(bao)(bao)裝(zhuang)材(cai)料,不(bu)一定可(ke)(ke)以生產(chan)出高(gao)(gao)阻(zu)隔性的(de)(de)包(bao)(bao)裝(zhuang)件(jian)(jian)(jian)(jian)。從包(bao)(bao)裝(zhuang)材(cai)料到包(bao)(bao)裝(zhuang)件(jian)(jian)(jian)(jian),從包(bao)(bao)裝(zhuang)件(jian)(jian)(jian)(jian)到消(xiao)費者手(shou)中(zhong)(zhong),在這一過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong),許多因素都(dou)(dou)會影(ying)響產(chan)品的(de)(de)最(zui)終阻(zu)隔性能。