真(zhen)(zhen)空(kong)充氣(qi)包(bao)(bao)(bao)裝的(de)主(zhu)要作(zuo)用除真(zhen)(zhen)空(kong)包(bao)(bao)(bao)裝所具備(bei)的(de)除氧保(bao)質功能(neng)(neng)外，主(zhu)要還有(you)抗壓(ya)(ya)、阻(zu)氣(qi)、保(bao)鮮等作(zuo)用，能(neng)(neng)更有(you)效地使食(shi)(shi)(shi)(shi)品(pin)(pin)長期保(bao)持原有(you)的(de)色、香(xiang)、味、形及營(ying)養價值。另(ling)外，有(you)許(xu)多食(shi)(shi)(shi)(shi)品(pin)(pin)不適(shi)宜采(cai)用真(zhen)(zhen)空(kong)包(bao)(bao)(bao)裝而必須采(cai)用真(zhen)(zhen)空(kong)包(bao)(bao)(bao)裝機真(zhen)(zhen)空(kong)充氣(qi)包(bao)(bao)(bao)裝。如松脆(cui)易碎食(shi)(shi)(shi)(shi)品(pin)(pin)，易結塊食(shi)(shi)(shi)(shi)品(pin)(pin)，易變形走(zou)油食(shi)(shi)(shi)(shi)品(pin)(pin)，有(you)尖銳棱(leng)角或硬度(du)較(jiao)高會刺破(po)包(bao)(bao)(bao)裝袋(dai)的(de)食(shi)(shi)(shi)(shi)品(pin)(pin)等。食(shi)(shi)(shi)(shi)品(pin)(pin)經真(zhen)(zhen)空(kong)充氣(qi)包(bao)(bao)(bao)裝后(hou)，包(bao)(bao)(bao)裝袋(dai)內充氣(qi)壓(ya)(ya)強大(da)于包(bao)(bao)(bao)裝袋(dai)外大(da)氣(qi)壓(ya)(ya)強，能(neng)(neng)有(you)效地防止食(shi)(shi)(shi)(shi)品(pin)(pin)受壓(ya)(ya)破(po)碎變形并(bing)不影響包(bao)(bao)(bao)裝袋(dai)外觀及印刷(shua)裝潢。