對于吸(xi)附性(xing),吸(xi)濕性(xing)較大的(de)(de)(de)包(bao)(bao)(bao)(bao)裝(zhuang)膜,在試驗(yan)過(guo)(guo)(guo)(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)應考慮其吸(xi)附和脫附等(deng)對實驗(yan)結(jie)果(guo)的(de)(de)(de)影響,同(tong)(tong)時應清(qing)楚(chu)平衡(heng)(heng)時間(jian)一般較長,而且即使是(shi)(shi)同(tong)(tong)一環境下,經過(guo)(guo)(guo)(guo)不(bu)同(tong)(tong)過(guo)(guo)(guo)(guo)程(cheng)(cheng)(cheng)的(de)(de)(de)平衡(heng)(heng)態也未(wei)必(bi)相同(tong)(tong),這(zhe)就是(shi)(shi)說(shuo)不(bu)材(cai)(cai)料(liao)的(de)(de)(de)平衡(heng)(heng)態,但與(yu)平衡(heng)(heng)的(de)(de)(de)環境有關,而且與(yu)過(guo)(guo)(guo)(guo)程(cheng)(cheng)(cheng)有關。應該高度重視檢測過(guo)(guo)(guo)(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong)的(de)(de)(de)泄(xie)漏問題,任何實驗(yan)得出的(de)(de)(de)水蒸氣透過(guo)(guo)(guo)(guo)率和氧(yang)氣透過(guo)(guo)(guo)(guo)率都(dou)是(shi)(shi)滲透和泄(xie)漏的(de)(de)(de)總和,只有在泄(xie)漏可以(yi)忽略不(bu)計的(de)(de)(de)條件下,所測得的(de)(de)(de)滲透才是(shi)(shi)準確的(de)(de)(de)。另外(wai),包(bao)(bao)(bao)(bao)裝(zhuang)材(cai)(cai)料(liao)與(yu)包(bao)(bao)(bao)(bao)裝(zhuang)件是(shi)(shi)兩個不(bu)同(tong)(tong)的(de)(de)(de)概念(nian),用高阻隔性(xing)的(de)(de)(de)包(bao)(bao)(bao)(bao)裝(zhuang)材(cai)(cai)料(liao),不(bu)一定可以(yi)生(sheng)產(chan)出高阻隔性(xing)的(de)(de)(de)包(bao)(bao)(bao)(bao)裝(zhuang)件。從包(bao)(bao)(bao)(bao)裝(zhuang)材(cai)(cai)料(liao)到(dao)包(bao)(bao)(bao)(bao)裝(zhuang)件,從包(bao)(bao)(bao)(bao)裝(zhuang)件到(dao)消費(fei)者手中(zhong)(zhong)(zhong),在這(zhe)一過(guo)(guo)(guo)(guo)程(cheng)(cheng)(cheng)中(zhong)(zhong)(zhong),許多因素都(dou)會影響產(chan)品的(de)(de)(de)最終阻隔性(xing)能。