真空(kong)包(bao)裝機廠的(de)(de)真空(kong)包裝機(ji)增加充(chong)氣(qi)功能是(shi)有兩種(zhong)(zhong)(zhong)(zhong)方(fang)(fang)式，一(yi)種(zhong)(zhong)(zhong)(zhong)是(shi)氣(qi)嘴直接伸到產(chan)品(pin)袋(dai)子(zi)里(li)面進(jin)(jin)行充(chong)氣(qi)的(de)(de)，另一(yi)種(zhong)(zhong)(zhong)(zhong)是(shi)把要(yao)(yao)充(chong)的(de)(de)氣(qi)體先(xian)充(chong)滿整(zheng)個真空(kong)室(shi)，然后靠負壓差(cha)(cha)充(chong)滿袋(dai)子(zi)。那究竟采用哪種(zhong)(zhong)(zhong)(zhong)方(fang)(fang)式充(chong)氣(qi)好(hao)呢，這里(li)主要(yao)(yao)看客戶(hu)的(de)(de)產(chan)品(pin)性質(zhi)，單純來說肯定(ding)是(shi)直接沖到袋(dai)子(zi)里(li)比(bi)(bi)較好(hao)，這樣置(zhi)換的(de)(de)又純還能省不(bu)少氣(qi)源(yuan)，但(dan)是(shi)大家一(yi)定(ding)要(yao)(yao)考慮好(hao)自己(ji)產(chan)品(pin)性質(zhi)。如(ru)果產(chan)品(pin)是(shi)顆粒(li)，我們可(ke)以采取起初一(yi)種(zhong)(zhong)(zhong)(zhong)方(fang)(fang)法直接讓充(chong)氣(qi)嘴到袋(dai)子(zi)里(li)進(jin)(jin)行充(chong)氣(qi)，但(dan)是(shi)如(ru)果你的(de)(de)產(chan)品(pin)是(shi)粉末狀的(de)(de)就(jiu)不(bu)能用起初一(yi)種(zhong)(zhong)(zhong)(zhong)方(fang)(fang)法了(le)，需要(yao)(yao)第(di)二種(zhong)(zhong)(zhong)(zhong)在真空(kong)室(shi)充(chong)氣(qi)利用壓力差(cha)(cha)充(chong)滿袋(dai)子(zi)。可(ke)是(shi)客戶(hu)又要(yao)(yao)要(yao)(yao)求達(da)到一(yi)定(ding)比(bi)(bi)例的(de)(de)殘氧量，這就(jiu)很矛盾了(le)。