對(dui)于吸附性(xing),吸濕性(xing)較大的(de)(de)(de)包(bao)(bao)(bao)裝(zhuang)膜,在試驗(yan)(yan)過程(cheng)中(zhong)(zhong)(zhong)應(ying)考慮其吸附和脫附等對(dui)實(shi)(shi)驗(yan)(yan)結果的(de)(de)(de)影響(xiang),同(tong)(tong)(tong)時應(ying)清楚(chu)平(ping)衡(heng)時間(jian)一般(ban)較長,而且即使是同(tong)(tong)(tong)一環(huan)境下(xia),經(jing)過不同(tong)(tong)(tong)過程(cheng)的(de)(de)(de)平(ping)衡(heng)態(tai)也未必相同(tong)(tong)(tong),這(zhe)就是說不材(cai)料(liao)的(de)(de)(de)平(ping)衡(heng)態(tai),但與平(ping)衡(heng)的(de)(de)(de)環(huan)境有關,而且與過程(cheng)有關。應(ying)該(gai)高(gao)度(du)重視檢測過程(cheng)中(zhong)(zhong)(zhong)的(de)(de)(de)泄漏(lou)問題(ti),任(ren)何(he)實(shi)(shi)驗(yan)(yan)得出(chu)的(de)(de)(de)水蒸(zheng)氣(qi)(qi)透過率和氧氣(qi)(qi)透過率都是滲透和泄漏(lou)的(de)(de)(de)總和,只有在泄漏(lou)可以(yi)忽略(lve)不計的(de)(de)(de)條件(jian)(jian)下(xia),所測得的(de)(de)(de)滲透才(cai)是準確(que)的(de)(de)(de)。另(ling)外,包(bao)(bao)(bao)裝(zhuang)材(cai)料(liao)與包(bao)(bao)(bao)裝(zhuang)件(jian)(jian)是兩個不同(tong)(tong)(tong)的(de)(de)(de)概念,用高(gao)阻隔性(xing)的(de)(de)(de)包(bao)(bao)(bao)裝(zhuang)材(cai)料(liao),不一定可以(yi)生產出(chu)高(gao)阻隔性(xing)的(de)(de)(de)包(bao)(bao)(bao)裝(zhuang)件(jian)(jian)。從包(bao)(bao)(bao)裝(zhuang)材(cai)料(liao)到(dao)包(bao)(bao)(bao)裝(zhuang)件(jian)(jian),從包(bao)(bao)(bao)裝(zhuang)件(jian)(jian)到(dao)消費者(zhe)手中(zhong)(zhong)(zhong),在這(zhe)一過程(cheng)中(zhong)(zhong)(zhong),許(xu)多因素(su)都會影響(xiang)產品的(de)(de)(de)最(zui)終阻隔性(xing)能。