真(zhen)(zhen)空(kong)(kong)充氣包(bao)(bao)裝(zhuang)(zhuang)的(de)(de)主(zhu)要(yao)作(zuo)用除真(zhen)(zhen)空(kong)(kong)包(bao)(bao)裝(zhuang)(zhuang)所具備的(de)(de)除氧保質功能(neng)(neng)外(wai)，主(zhu)要(yao)還(huan)有(you)(you)抗壓、阻氣、保鮮等作(zuo)用，能(neng)(neng)更有(you)(you)效地使食(shi)(shi)(shi)品(pin)(pin)長期保持原有(you)(you)的(de)(de)色、香、味、形及(ji)營養價值。另外(wai)，有(you)(you)許多(duo)食(shi)(shi)(shi)品(pin)(pin)不適宜采用真(zhen)(zhen)空(kong)(kong)包(bao)(bao)裝(zhuang)(zhuang)而必須采用真(zhen)(zhen)空(kong)(kong)包(bao)(bao)裝(zhuang)(zhuang)機(ji)真(zhen)(zhen)空(kong)(kong)充氣包(bao)(bao)裝(zhuang)(zhuang)。如松脆易碎食(shi)(shi)(shi)品(pin)(pin)，易結塊食(shi)(shi)(shi)品(pin)(pin)，易變形走(zou)油食(shi)(shi)(shi)品(pin)(pin)，有(you)(you)尖銳棱角(jiao)或硬度較高會(hui)刺破(po)包(bao)(bao)裝(zhuang)(zhuang)袋的(de)(de)食(shi)(shi)(shi)品(pin)(pin)等。食(shi)(shi)(shi)品(pin)(pin)經真(zhen)(zhen)空(kong)(kong)充氣包(bao)(bao)裝(zhuang)(zhuang)后(hou)，包(bao)(bao)裝(zhuang)(zhuang)袋內充氣壓強大于包(bao)(bao)裝(zhuang)(zhuang)袋外(wai)大氣壓強，能(neng)(neng)有(you)(you)效地防止食(shi)(shi)(shi)品(pin)(pin)受壓破(po)碎變形并不影響包(bao)(bao)裝(zhuang)(zhuang)袋外(wai)觀及(ji)印刷(shua)裝(zhuang)(zhuang)潢。