Phau Ntawv Qhia Txog Cov Khoom Siv Lub Hnab Nqus Tsev Thiab Daim Ntawv Thov Rau DJVAC Lub Tshuab Ntim Khoom Nqus Tsev

Kev Txheeb Xyuas Txog Cov Khoom Siv Ntim Khoom Siv Nqus Tsev Thiab Cov Hnab

Cov tshuab ntim khoom siv lub tshuab nqus tsev (hom chamber lossis hom suction) tshem tawm cov cua ntawm lub hnab lossis chamber ntawm cov khoom, tom qab ntawd kaw lub hnab kom thaiv cov pa sab nraud. Qhov no ua rau lub txee ntev dua los ntawm kev txo qis kev raug oxygen thiab tiv thaiv cov kab mob lwj..Yuav kom ua tiav qhov no, cov hnab nqus tsev yuav tsum muaj cov khoom tiv thaiv zoo nrog kev ua haujlwm ntev thiab kev kaw cua sov txhim khu kev qha.Cov hnab nqus tsev feem ntau yog cov yas laminates ntau txheej, txhua tus xaiv rau cov yam ntxwv xws li oxygen / noo noo thaiv, tiv taus kub, meej thiab toughness..

Nylon/PE (PA/PE) Lub Hnab Nqus Tsev

•Cov Khoom Thiab Cov Khoom:Cov hnab PA/PE muaj cov nylon (polyamide) txheej sab nraud uas tau laminated rau polyethylene txheej sab hauv uas sealing..Cov txheej nylon muab kev tiv thaiv kev tho thiab kev sib txhuam zoo thiab muaj cov pa oxygen / aroma tseem ceeb, thaum cov txheej PE ua kom muaj zog kub txawm tias nyob rau qhov kub qis.Piv nrog rau zaj duab xis PE yooj yim, PA / PE laminates muaj cov pa oxygen thiab aroma barrier ntau dua thiab zoo dua puncture tiv thaiv.Lawv kuj tseem tswj tau qhov ruaj khov hauv cov txheej txheem khov thiab thermoforming, thiab tiv taus qhov kub nruab nrab thaum lub sijhawm kaw.

•Cov ntawv thov:Cov hnab PA/PE siv dav rau cov nqaij tshiab thiab khov (nyuj, nqaij npuas, nqaij qaib, khoom noj hiav txwv) vim tias cov nylon tiv taus cov pob txha thiab cov khoom ntse..Cov hnab no ua rau cov nqaij xim thiab saj zoo thaum lub sijhawm khaws cia txias ntev. Lawv kuj zoo heev rau cov khoom cheese thiab deli, khaws cov saj thiab cov qauv los ntawm kev txiav cov pa oxygen nkag. Cov zaj duab xis tawv txawm tias ua haujlwm rau cov nqaij ua tiav, pâtés lossis cov zaub mov npaj tiav hauv lub tshuab nqus tsev. Cov kua ib nrab thiab cov kua ntses tuaj yeem khiav hauv cov hnab PA / PE ib yam nkaus; cov txheej foob ruaj khov tiv thaiv kev xau thiab khaws cov ntxhiab tsw..Hauv ntej, cov hnab PA / PE haum rau txhua yam khoom noj uas muaj cov npoo tsis sib xws lossis tawv (pob txha, cov nqaij tawv) uas xav tau lub tub yees ntev lossis khov.

•Lwm yam kev siv:Tsis tas li ntawm cov khoom noj, PA/PE laminates siv rau kev ntim khoom kho mob thiab cov khoom siv hauv kev lag luam. Cov zaj duab xis uas muaj zog thiab ruaj khov tuaj yeem ua kom huv thiab kaw rau cov khoom siv kho mob, thaum nyob rau hauv cov khoom siv hluav taws xob nws tswj cov dej noo thiab ntxiv lub zog kho tshuab..Cov txheej tiv thaiv hluav taws xob lossis cov txheej thaiv tuaj yeem ntxiv rau cov laug cam lossis cov khoom siv kho vajtse. Hauv kev xaus, cov hnab PA / PE yog cov zaj duab xis ua haujlwm - thaiv siab thiab muaj zog siab - sib xws nrog feem ntau cov tshuab nqus tsev (chamber lossis sab nraud), ua rau lawv yog qhov kev xaiv zoo tshaj plaws rau kev ntim khoom nqus tsev dav dav.

Polyester/PE (PET/PE) Lub Hnab Nqus Tsev

•Cov Khoom Thiab Cov Khoom:Cov hnab Polyester/PE (feem ntau hu ua PET/PE lossis PET-LDPE hnab) siv cov txheej sab nraud PET (polyethylene terephthalate) nrog rau PE sab hauv.PET yog pob tshab heev, ruaj khov thiab ruaj khov, nrog rau kev tiv taus tshuaj lom neeg thiab kub zoo heev.Nws muaj cov pa oxygen thiab roj zoo heev, lub zog zoo heev (5–10 × lub zog tensile ntawm PE) thiab khaws cov khoom siv lub cev thoob plaws ntau qhov kub thiab txias..Yog li ntawd, cov hnab PET/PE muab kev pom tseeb (cov hnab pom los ntawm) thiab kev thaiv nruab nrab.Lawv tawv thiab tsis yooj yim ncab dua li PA/PE, yog li ntawd, qhov tiv taus qhov tho qhov zoo tab sis tsis siab npaum li ntawd.(Rau cov khoom uas muaj cov ntse heev, ib txheej nylon yog qhov zoo dua.)

•Cov ntawv thov:Cov hnab nqus tsev PET/PE zoo tagnrho rau cov khoom uas xav taukev meej thiab kev tiv thaiv tshuaj lom neegFeem ntau lawv siv rau cov nqaij siav lossis haus luam yeeb thiab ntses qhov twg xav tau qhov pom kev zoo, piv txwv li qhov zoo ntawm cov khoom ntim khoom tseem ceeb. Qhov ruaj khov ua rau lawv kaw tau thaum kub ntawm cov tshuab tsis siv neeg..Vim tias PET muaj qhov kub thiab txias zoo, cov hnab PET/PE ua haujlwm rau ob qho tib si txias thiab cov khoom lag luam ib puag ncig (piv txwv li cov taum kas fes lossis cov txuj lom uas ntim hauv lub tshuab nqus tsev).Lawv kuj siv ua zaj duab xis sab saum toj hauv cov kab ntim khoom thermoforming vacuum (nrog PA / EVOH / PE tsim web).

•Lus Cim Txog Kev Siv:Polyester lub zog thaiv rau cov pa roj pab khaws cov ntxhiab tsw qab, tab sis PET / PE ntshiab tsis muaj qhov sib sib zog nqus ntawm cov pa oxygen thiab qhov tawv ntawm PA / PE..Qhov tseeb, PET/PE qee zaum raug pom zoo rau cov khoom mos dua lossis tsis hnyav.Piv txwv li, cov kua zaub uas ntim hauv lub tshuab nqus tsev, cov hmoov lossis cov khoom noj txom ncauj uas tsis hnyav.CarePac sau tseg tias cov txheej polyester (lossis nylon) muaj zog dua tiv thaiv kev tho thiab tsim nyog rau kev kaw lub tshuab nqus tsev..Hauv kev xyaum, ntau tus neeg ua khoom xaiv PET/PE rau cov khoom lag luam nruab nrab thiab siv cov qauv embossed (yog tias siv cov tshuab nqus) los txhawb kev sib khi.Cov hnab PET/PE siv tau nrog txhua lub tshuab ntim khoom siv nqus tsev, txawm hais tias lawv ua haujlwm tau zoo hauv cov chav tsev (muaj peev xwm nqus tsev siab).

Cov Yeeb Yaj Kiab Ntau Txheej Siab (EVOH, PVDC, thiab lwm yam)

•Cov Hnab Uas Siv EVOH:Rau lub sijhawm ntev tshaj plaws, cov laminates ntau txheej suav nrog cov tshuaj thaiv xws li EVOH (ethylene-vinyl cawv). Cov qauv ib txwm muaj yog PA / EVOH / PE lossis PE / EVOH / PE. Lub hauv paus EVOH muab cov pa oxygen qis heev, thaum cov nylon lossis PET ib puag ncig ntxiv lub zog kho tshuab thiab kev kaw..Qhov kev sib xyaw ua ke no ua rau muaj qhov thaiv siab tshaj plaws: EVOH hnab ua rau qeeb qeeb oxidation thiab noo noo migration. Qee cov kws tshaj lijtshaj tawm tias piv rau cov hnab PA/PE, EVOH laminates pab ua kom lub txee khaws cia hauv tub yees lossis khov ntev dua nrog kev poob khoom tsawg dua.

•Cov Khoom:Zaj duab xis EVOH yog pob tshab thiab yoog tau, tab sis hauv cov hnab nqus tsev nws raug faus ntawm cov khaubncaws sab nraud povtseg opaque.Cov hnab no tswj tau qhov kev sib khi kom ruaj khov los ntawm kev khov, thiab txheej PE tiv thaiv EVOH los ntawm cov dej noo..Lawv feem ntau muaj qhov tawv tawv zoo heev los ntawm cov khaubncaws sab nraud povtseg PA.Zuag qhia tag nrho, lawv tshaj qhov yooj yim PA / PE hauv kev thaiv pa oxygen thiab aroma yam tsis muaj kev txi lub zog foob.

•Cov ntawv thov:Cov hnab nqus tsev EVOH uas muaj qhov thaiv siab zoo tagnrho rau cov nqaij tshiab/khov, nqaij qaib thiab cov khoom noj hiav txwv uas yuav tsum xa mus deb lossis khaws cia ntev. Lawv kuj ua haujlwm rau cov khoom noj muaj nqis lossis cov khoom noj uas rhiab rau oxygen xws li cheese, txiv ntoo, txiv hmab txiv ntoo qhuav lossis cov khoom noj ua tiav thiab cov kua ntses zoo. Rau txhua yam khoom noj txias lossis khov uas yuav tsum khaws cia zoo (xim, saj, qauv), lub hnab EVOH yog qhov kev xaiv zoo.. Cov khoom siv zoorau cov nqaij txias thiab mis nyuj, nrog rau cov kua (kua zaub, kimchi, kua ntses) hauv cov hnab yas hauv lub thawv.Hauv ntej, xaiv cov hnab EVOH thaum twg koj xav tau qhov teeb meem siab tshaj plaws - cov ntaub ntawv xws li cov khoom noj nqaij sous-vide lossis cov khoom muag mus sij hawm ntev.

•Lwm Cov Kev Thaiv:Cov yeeb yaj kiab PVDC-coated (siv rau hauv qee cov cheese lossis cov nqaij kho kom qhuav) muaj qhov permeability O₂ qis zoo sib xws, txawm hais tias cov teeb meem kev cai lij choj thiab kev ua tiav tau txwv kev siv PVDC..Cov yeeb yaj kiab hlau nqus tsev (PET lossis PA coated nrog txhuas) kuj txhim kho kev thaiv (saib ntu tom ntej).

Cov Hnab Nqus Tsev Uas Muaj Ntawv Nyiaj Aluminium (Hlau)

Cov kas fes, tshuaj yej lossis cov txuj lom uas kaw hauv lub tshuab nqus tsev feem ntau siv cov hnab yas uas muaj txhuas los tiv thaiv tau zoo tshaj plaws. Cov ntawv ci txhuas hauv ib lub hnab muab kev thaiv tag nrho rau lub teeb, oxygen thiab dej noo. Cov hnab yas uas muaj ntawv ci feem ntau muaj peb txheej, piv txwv li PET/AL/PE lossis PA/AL/PE. Zaj duab xis PET (lossis PA) sab nraud muab kev tiv thaiv kev tho thiab lub zog kho tshuab, cov ntawv ci AL nruab nrab thaiv roj thiab lub teeb, thiab PE sab hauv ua kom lub kaw cua sov huv. Qhov tshwm sim yog qhov thaiv siab tshaj plaws hauv kev ntim khoom siv nqus tsev: yuav luag tsis muaj cua lossis pa dej nkag mus tau.

•Cov Khoom:Cov hnab yas uas muaj txhuas thiab laminated yuav ruaj khov tab sis yooj yim tsim; lawv tiv thaiv cua sov thiab lub teeb, tiv thaiv UV thiab qhov kub thiab txias hloov pauv. Lawv hnyav dua thiab tsis pom tseeb, yog li cov khoom hauv hnab zais, tab sis cov khoom tseem qhuav thiab tsis muaj oxidized.Lawv tswj cov khoom khov tob thiab cov khoom kub sib npaug zoo.(Ceeb Toom: cov hnab ntawv ci tsis tuaj yeem siv rau hauv qhov cub tshwj tsis yog tias tau kho tshwj xeeb.)

•Cov ntawv thov:Siv cov hnab ntawv ci rau cov khoom muaj nqis heev lossis cov khoom uas lwj sai heev. Piv txwv li kas fes thiab tshuaj yej (kom khaws tau qhov tsw qab thiab qhov tshiab), cov khoom noj hmoov lossis cov khoom noj khov qhuav, txiv ntoo, thiab tshuaj ntsuab. Hauv kev pabcuam zaub mov, cov hnab sous-vide lossis boil-in-bag feem ntau siv ntawv ci. Lawv kuj zoo heev rau cov tshuaj thiab cov vitamins. Hauv cov xwm txheej kev lag luam, cov hnab ntawv ci nqus tsev ntim cov khoom siv noo noo / cua thiab cov khoom siv hluav taws xob..Yeej yog li ntawd, txhua yam khoom uas yuav lwj thaum raug pa oxygen lossis lub teeb yuav tau txais txiaj ntsig los ntawm cov ntawv ci laminate. Piv txwv li, cov nplooj tshuaj yej uas ntim hauv lub tshuab nqus tsev (raws li qhia saum toj no) khaws lawv cov saj ntev dua hauv lub hnab ntawv ci dua li hauv cov yas yooj yim.

•Tshuab Sib Xws:Cov hnab ntawv ci txhuas feem ntau yog du thiabqee qhov ntawmcov hnab no raug kaw rau hauv cov tshuab ua haujlwm hnyav. DJVACtshuab ntim khoom sab nrauds tuaj yeem ua cov hnab no yam tsis muaj teeb meem.

Kev Siv Hauv Kev Lag Luam thiab Kev Khaws Cia Ntaub Ntawv

Txawm hais tias khoom noj yog qhov tseem ceeb, cov hnab nqus tsev uas muaj kev thaiv siab muaj lwm yam kev siv niche:

•Khoom Siv Hluav Taws Xob & Khoom Siv Hlau:Raws li tau hais lawm, PA/PE lossis cov hnab yas nqus tsev tiv thaiv cov khoom uas rhiab heev rau dej thaum lub sijhawm xa khoom. Ib puag ncig nqus tsev ntxiv rau desicant tuaj yeem tiv thaiv kev oxidation lossis xeb ntawm cov khoom hlau..Tsis zoo li cov khoom noj, ntawm no ib tug kuj tseem yuav yaug nrog nitrogen ua ntej kaw.Cov tshuab DJVAC (nrog cov clamps thiab kev tswj hwm tsim nyog) tuav cov ntawv ci tuab dua lossistxhuashnab.

•Kev Khaws Cov Ntaub Ntawv:Cov ntaub ntawv ntim khoom feem ntau siv cov yeeb yaj kiab inert kaw hauv lub tshuab nqus tsev (xws li polyethylene zoo lossis polyester / Mylar) los thaiv cov pa oxygen thiab cov kab tsuag..Los ntawm kev tsim lub hnab ntim cua, cov ntaub ntawv ntawv zam kev daj thiab pwm.Tib lub hauv paus ntsiab lus - txo cov pa oxygen - siv tau zoo li hauv cov khoom noj: lub pob khoom kaw ruaj khov ua rau lub neej ntev dua.

•Pharma thiab Kev Kho Mob:Cov khoom siv kho mob uas tsis muaj kab mob raug kaw hauv lub tshuab nqus tsev uas muaj cov hnab yas thaiv tau zoo. Cov hnab PA/PE feem ntau nyob ntawm no, qee zaum muaj qhov kua muag. Cov zaj duab xis yuav tsum ua tau raws li FDA lossis cov qauv kho mob.

Hauv txhua qhov xwm txheej no, qhov tseem ceeb yog siv cov yeeb yaj kiab uas ntsuas rau qhov chaw ib puag ncig ntawm cov khoom (piv txwv li tsis muaj halogen rau cov khoom siv hluav taws xob, qhov zoo ntawm cov ntaub ntawv khaws cia).DJVAC lub tshuab nqus tsev tuaj yeem tswj tau ntau yam hnab laminates thiab qhov ntau thiab tsawg, yog li cov neeg siv khoom yuav tsum qhia meej txog zaj duab xis uas lawv xav tau.

Xaiv Cov Khoom Siv Rau Lub Hnab Nqus Tsev

Thaum xaiv cov khoom siv rau lub hnab nqus tsev, xav txog:

•Cov Kev Xav Tau Txog Kev Thaiv:Cov khoom yuav tsum nyob tshiab ntev npaum li cas thiab nyob rau hauv cov xwm txheej twg? Yog tias tsuas yog xav tau lub tub yees luv luv xwb, lub hnab PA/PE lossis PET/PE ib txwm muaj txaus..Rau kev khaws cia khov ntev ntau lub hlis lossis cov khoom lag luam uas rhiab heev, siv EVOH lossis ntawv ci laminates nrogqis heevKev sib kis O₂.

•Kev Tiv Thaiv Tshuab:Cov khoom puas yuav muaj cov npoo ntse los yog yuav tsum tau kov tsis zoo? Tom qab ntawd, xaiv cov uas tiv taus qhov tho (nylon-rich laminates los yog embossed texture) ua ntej..Cov khoom lag luam loj lossis cov nqaij uas muaj pob txha xav tau cov zaj duab xis muaj zog dua.

•Txoj Kev Kaw:Txhua lub hnab nqus tsev vam khom rau kev kaw cua sov.PE (LDPE lossis LLDPE) yog txheej sealing ib txwm muaj.Xyuas kom tseeb tias qhov kub ntawm lub hnab sib phim nrog koj lub tshuab cov cua sov..Qee cov yeeb yaj kiab uas muaj kev thaiv siab yuav xav tau qhov kub ntawm lub foob siab dua lossis lub zog clamp hnyav dua.

•Kev Nyab Xeeb Khoom Noj thiab Cov Cai:Siv cov yeeb yaj kiab qib zaub mov uas tau pom zoo los ntawm FDA/GB.DJVAC koom tes nrog cov neeg muag khoom hnab uas muab cov ntaub ntawv pov thawj, cov khoom siv rau kev sib cuag nrog zaub mov. Rau kev lag luam xa tawm, cov yeeb yaj kiab feem ntau xav tau cov ntaub ntawv pov thawj ua raws li txoj cai.

•Tus nqi piv rau kev ua tau zoo:Cov hnab EVOH lossis cov hnab ntawv ci uas muaj teeb meem ntau dua kim dua.Sib npaug tus nqi piv rau cov kev cai ntawm lub sijhawm khaws cia.Piv txwv li, cov txiv ntoo uas ntim hauv lub tshuab nqus tsev uas npaj rau kev xa tawm yuav ua rau cov hnab ntawv ci siv tau, thaum cov khoom khov hauv tsev yuav siv cov hnab PA/PE yooj yim dua.

Hauv kev xyaum, cov neeg ua khoom feem ntau sim cov hnab qauv. Ntau lub chaw tsim khoom yuav muab cov ntawv yob lossis cov ntawv sim rau cov neeg siv khoom sim.Piav qhia txog koj cov khoom (piv txwv li "cov nqaij qaib khov"), lub sijhawm khaws cia uas xav tau, thiab txoj kev ntim khoom kom tau txais cov qauv pom zoo.

Xaus lus

Cov tshuab ntim khoom siv nqus tsev yog cov cuab yeej hloov pauv tau yooj yim, tab sis lawv xav tau cov khoom siv hnab kom zoo kom ua tau zoo tshaj plaws..DJVAC lub tshuab ntim khoom nqus tsev tuaj yeem khiav txhua hom hnab loj hauv khw - los ntawm cov hnab PA / PE txheem mus rau cov hnab EVOH uas muaj kev cuam tshuam siab thiab cov ntawv ci laminates hnyav..Los ntawm kev nkag siab txog cov khoom siv (lub zog thaiv, tiv taus cua sov, qhov tawv ntawm qhov tho) thiab phim lawv rau daim ntawv thov (nqaij, cheese, kas fes, txiv ntoo, thiab lwm yam), cov chaw tsim khoom tuaj yeem ua kom cov khoom zoo thiab ua haujlwm tau zoo..Ntxiv mus, siv lub hnab zoo nrog lub tshuab zoo (embossed vs. tiaj tus, chamber vs. suction) ua rau lub tshuab nqus tsev thiab lub foob ruaj khov. Hauv kev xaus, thaum siv lub tshuab ntim khoom DJVAC, xaiv cov ntaub ntawv hnab uas muab kev tiv thaiv rau koj cov khoom thiab ua kom lub tshuab tsim tau zoo. Ua li ntawd, koj yuav ua tiav lub sijhawm khaws cia ntev tshaj plaws, zoo nkauj tshaj plaws thiab cov foob txhim khu kev qha tshaj plaws - txhua yam tseem ceeb rau kev ua tiav ntawm cov khoom noj thiab kev lag luam ntim khoom.