真(zhen)空包裝機廠的真空包裝機增加充(chong)氣(qi)(qi)功能是(shi)(shi)有兩種(zhong)方(fang)(fang)式(shi)，一(yi)種(zhong)是(shi)(shi)氣(qi)(qi)嘴直(zhi)接伸到產(chan)(chan)品(pin)袋(dai)子(zi)里(li)面進行(xing)(xing)充(chong)氣(qi)(qi)的，另(ling)一(yi)種(zhong)是(shi)(shi)把要(yao)(yao)充(chong)的氣(qi)(qi)體先(xian)充(chong)滿整個真空室，然(ran)后靠負(fu)壓差充(chong)滿袋(dai)子(zi)。那究竟采用(yong)哪種(zhong)方(fang)(fang)式(shi)充(chong)氣(qi)(qi)好(hao)(hao)呢(ni)，這(zhe)里(li)主(zhu)要(yao)(yao)看客戶(hu)的產(chan)(chan)品(pin)性質，單純來說肯定是(shi)(shi)直(zhi)接沖(chong)到袋(dai)子(zi)里(li)比較好(hao)(hao)，這(zhe)樣置換(huan)的又純還能省不少氣(qi)(qi)源，但(dan)是(shi)(shi)大家一(yi)定要(yao)(yao)考慮好(hao)(hao)自己(ji)產(chan)(chan)品(pin)性質。如(ru)果產(chan)(chan)品(pin)是(shi)(shi)顆粒，我(wo)們可以采取起(qi)初一(yi)種(zhong)方(fang)(fang)法直(zhi)接讓充(chong)氣(qi)(qi)嘴到袋(dai)子(zi)里(li)進行(xing)(xing)充(chong)氣(qi)(qi)，但(dan)是(shi)(shi)如(ru)果你的產(chan)(chan)品(pin)是(shi)(shi)粉末狀的就(jiu)不能用(yong)起(qi)初一(yi)種(zhong)方(fang)(fang)法了，需(xu)要(yao)(yao)第二種(zhong)在真空室充(chong)氣(qi)(qi)利用(yong)壓力(li)差充(chong)滿袋(dai)子(zi)。可是(shi)(shi)客戶(hu)又要(yao)(yao)要(yao)(yao)求達到一(yi)定比例的殘氧量，這(zhe)就(jiu)很矛盾了。