Kev Txhim Kho DJVAC Ntim Khoom: Xaiv Cov Khoom Siv Lub Hnab Nqus Tsev Zoo

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

Cov tshuab ntim khoom siv nqus tsev (chav tsev or hom kev nqus) rho cua tawm ntawm cov hnab lossis cov thawv khoom ua ntej kaw cov hnab kom thaiv cov pa sab nraud. Qhov no ua rau lub txee ntev dua los ntawm kev txwv kev raug oxygen thiab tiv thaiv cov kab mob lwj, nrog rau cov hnab nqus tsev xaiv raws li cov yam ntxwv xws li cov yam ntxwv thaiv, kev ruaj khov thiab kev ua haujlwm kaw cua sov - feem ntau yog cov yas laminate ntau txheej xaiv raws li cov qauv tshwj xeeb xws li kev tiv thaiv oxygen/dej noo, kev tiv taus cua sov, kev pom tseeb thiab kev tawv.

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

* Cov Khoom Siv thiab Cov Khoom: Cov hnab PA/PE muaj cov nylon (polyamide) txheej sab nraud uas tau sib xyaw ua ke rau cov polyethylene txheej sab hauv uas sib khi ua ke kom tiv taus qhov tho, tiv thaiv cov pa oxygen/aroma thiab cov khoom kub ruaj khov txawm tias nyob rau qhov kub qis dua li cov yeeb yaj kiab PE yooj yim ua. Piv nrog cov yeeb yaj kiab PE yooj yim, PA/PE laminates muaj cov pa oxygen/aroma ntau dua thiab tiv taus qhov tho, tswj lawv qhov loj me thoob plaws hauv cov txheej txheem thermoforming thaum tseem tiv taus qhov kub nruab nrab thaum lub sijhawm sib khi.

* Daim Ntawv Thov: Cov hnab PA/PE feem ntau siv rau cov khoom noj nqaij tshiab thiab khov (nyuj, nqaij npuas, nqaij qaib thiab ntses) vim yog cov nylon tiv thaiv cov pob txha thiab cov khoom ntse; qhov no pab khaws lawv cov xim thiab saj thaum lub sijhawm khaws cia txias ntev. Lawv kuj zoo heev rau cov khoom cheese thiab deli kom khaws cov saj thiab cov qauv los ntawm kev txiav cov pa oxygen ingress; lawv cov zaj duab xis tawv tuaj yeem nqus cov nqaij ua tiav xws li pates. Cov kua ntses semi-kua kuj tuaj yeem khiav los ntawm cov hnab PA/PE vim muaj cov khaubncaws sab nraud povtseg uas tiv thaiv kev xau thaum khaws cov aromas - zoo meej rau lub sijhawm khaws cia txias ntev! Hauv ntej, cov hnab PA/PE haum rau cov khoom noj uas muaj cov npoo tsis sib xws lossis tawv (pob txha / chips ntawm cov nqaij chips ntawm cov nqaij chips), lub sijhawm txias / khov ntev xav tau - zoo meej!

* Lwm yam kev siv: PA/PE laminates muaj ntau lwm yam kev siv dhau ntawm cov khoom noj, xws li kev ntim khoom kho mob thiab cov khoom siv hauv kev lag luam. Lawv cov zaj duab xis uas muaj kev thaiv siab tuaj yeem ua kom huv thiab kaw kom tsim cov khoom siv kho mob; cov khoom ntim khoom siv hluav taws xob siv nws los tswj cov dej noo thaum ntxiv lub zog kho tshuab thaum cov txheej txheem tiv thaiv hluav taws xob lossis cov txheej txheem thaiv yuav raug ntxiv rau cov laug cam lossis cov khoom ntim khoom siv. Thaum kawg, cov hnab PA/PE muab cov zaj duab xis ua haujlwm txhim khu kev qha uas muaj ob qho tib si lub zog thaiv siab thiab kev tiv thaiv kev sib tsoo, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov kev xav tau ntim khoom nqus tsev dav dav.

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

*Kev Sib Xyaws thiab Cov Khoom: Cov hnab Polyester/PE (feem ntau hu ua PET/PE lossis PET-LDPE hnab) siv ib txheej PET sab nraud nrog ib txheej PE sab hauv rau lawv cov khoom sib xyaw. PET muaj cov tshuaj lom neeg zoo heev, thermal thiab oxygen barriers thiab nws lub zog yog 5-10 npaug siab dua PE lub zog tensile; ntxiv rau nws tuaj yeem khaws cov khoom lub cev dhau ntawm ntau qhov kub thiab txias, muab cov hnab no pom-dhau cov hnab nrog lub peev xwm thaiv nruab nrab (uas muab kev pom tseeb nrog qhov tsis kam nruab nrab; tab sis rau cov khoom uas muaj cov ntsiab lus ntse heev nws yuav zoo dua siv cov txheej nylon).

* Daim Ntawv Thov: PET/PE lub hnab nqus tsev yog qhov zoo tagnrho rau cov khoom uas xav tau kev pom tseeb thiab kev tiv thaiv tshuaj lom neeg, xws li cov nqaij siav lossis haus luam yeeb thiab ntses uas xav tau kev pom tseeb rau cov teeb meem zoo ntawm kev ntim khoom. Lawv qhov kev nruj ua rau muaj kev sib khi cua sov ntawm cov tshuab tsis siv neeg; vim PET qhov kub thiab txias ruaj khov lawv ua haujlwm zoo sib xws hauv cov chaw txias ib yam li cov chaw ib puag ncig (piv txwv li cov taum kas fes lossis cov txuj lom uas ntim hauv lub tshuab nqus tsev). Ntxiv mus, lawv feem ntau siv ua cov yeeb yaj kiab sab saum toj hauv cov kab ntim khoom nqus tsev thermoforming (siv PA/EVOH/PE tsim cov webs).

* Lus Cim Txog Kev Siv: Polyester txoj kev thaiv cov pa roj muaj zog pab khaws cov ntxhiab tsw qab, tab sis PET/PE ntshiab tsis muaj qhov thaiv cov pa oxygen tob thiab qhov tawv ntawm PA/PE. Yog li ntawd, PET/PE yuav zoo dua rau cov kua zaub ntim hauv lub tshuab nqus tsev, hmoov, thiab cov khoom noj txom ncauj vim nws cov qauv mos dua lossis sib dua; carePac sau tseg tias cov khaubncaws sab nraud povtseg polyester lossis nylon muaj zog tiv thaiv cov qhov thaum ua rau PET/PE haum rau kev kaw lub tshuab nqus tsev. Hauv kev xyaum ntau tus neeg ua haujlwm xaiv PET/PE rau cov khoom lag luam nruab nrab nrog cov qauv embossed (yog tias siv cov tshuab nqus tsev) txhawm rau txhim kho kev kaw lub peev xwm; cov hnab no ua haujlwm zoo tshwj xeeb thaum cov chav chamber (qhov siab nqus tsev ua tau). Cov hnab PET/PE sib xws nrog txhua lub tshuab ntim khoom nqus tsev; cov chav chamber ua tau zoo tshwj xeeb ntawm kev tsim cov qib nqus tsev ntau dua li lwm lub tshuab ntim khoom nqus tsev (qhov siab nqus tsev ua tau).

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

Cov Yeeb Yaj Kiab Ntau Txheej Siab (EVOH, PVDC thiab lwm yam) muab kev tiv thaiv zoo los ntawm kev nkag mus rau hauv ib puag ncig.

*Cov Hnab Uas Siv EVOH: Rau lub sijhawm khaws cia ntev tshaj plaws, cov laminates ntau txheej uas muaj EVOH (ethylene-vinyl alcohol) barrier resin muab lub sijhawm khaws cia ntev tshaj plaws thiab tiv thaiv kev poob khoom. Cov qauv siv rau cov laminates no yog PA/EVOH/PE lossis PE/EVOH/PE, nrog rau lub hauv paus EVOH muab cov pa oxygen tsawg heev thaum nylon lossis PET muab lub zog kho tshuab thiab kev kaw - qhov kev sib xyaw ua ke no ua rau muaj kev thaiv siab tshaj plaws: Cov hnab EVOH qeeb qeeb oxidation thiab kev hloov pauv dej noo thaum tib lub sijhawm ntxiv lub zog kho tshuab. Raws li cov kws tshaj lij cov lus ceeb toom, cov laminates no pab ua kom lub sijhawm khaws cia hauv tub yees lossis khov ntev dua thaum tib lub sijhawm txo qis kev poob khoom piv rau PA/PE laminates.

* Cov Khoom: Zaj duab xis EVOH yog pob tshab thiab yoog tau, tab sis hauv cov hnab nqus tsev nws feem ntau zais los ntawm cov txheej tsis pom kev uas zais nws. Cov hnab no khaws cov khoom sib khi thaum lub sijhawm khov thaum PE tiv thaiv EVOH los ntawm kev puas tsuaj los ntawm cov dej noo; lawv qhov kev sib txhuam los ntawm cov txheej PA feem ntau tshaj qhov ntawm PA / PE yooj yim yam tsis muaj kev cuam tshuam rau lub zog ntawm lub foob.

* Daim Ntawv Thov: Cov hnab nqus tsev EVOH uas muaj kev thaiv siab yog ib txoj hauv kev zoo tshaj plaws los xa cov nqaij tshiab/khov thiab cov khoom noj hiav txwv mus deb thiab khaws cia ntev. Cov hnab nqus tsev EVOH kuj yog ib txoj hauv kev zoo heev los tiv thaiv cov khoom noj muaj nqis lossis cov khoom noj uas muaj oxygen xws li cheese, txiv ntoo, txiv hmab txiv ntoo qhuav lossis cov khoom noj zoo thiab cov kua ntses los ntawm kev poob oxygen lossis kev puas tsuaj thaum thauj mus los lossis khaws cia. Yuav tsum xav txog lub hnab EVOH thaum yuav tsum khaws cia zoo (xim, tsw qab lossis cov qauv); hais lwm yam, siv lawv thaum twg cov khoom sous vide xav tau qhov zoo tshaj plaws thaum thauj mus los lossis xav tau khaws cia ntev!

*Lwm Yam Kev Thaiv: Cov yeeb yaj kiab PVDC-coated siv rau hauv qee cov cheese lossis cov nqaij kho kom qhuav muaj qhov tsis tshua muaj O2 permeability; txawm li cas los xij, cov teeb meem kev cai lij choj thiab kev ua tiav tau txwv lawv txoj kev siv. Cov yeeb yaj kiab hlau nqus tsev (PET lossis PA coated nrog txhuas) kuj txhim kho kev ua haujlwm thaiv (saib ntu tom ntej).

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

Feem ntau cov hnab ntim kas fes, tshuaj yej lossis cov txuj lom uas siv lub tshuab nqus tsev yuav tsum muaj cov hnab yas uas ua los ntawm txhuas los tiv thaiv kom zoo tshaj plaws. Cov ntawv ci txhuas uas nyob hauv lub hnab yuav ua rau lub teeb, oxygen thiab dej noo noo zoo heev - zoo tagnrho rau kev ua kom kas fes tshiab ntev dua! Cov hnab yas uas siv lub tshuab nqus tsev feem ntau muaj peb txheej uas thaiv lub teeb, oxygen thiab dej noo noo: PET/AL/PE lossis PA/AL/PE - zaj duab xis PET sab nraud tiv thaiv lub qhov thaum lub zog thaiv lub qhov thaum ntawv ci AL thaiv roj thiab lub teeb thaum PE ua kom lub cua sov kaw tau zoo - qhov tshwm sim yog tias tsis muaj cua lossis dej noo nkag tau!

* Cov Khoom: Cov hnab txhuas-laminate tuaj yeem ua tau ruaj khov tab sis yooj yim tsim; lawv cuam tshuam cua sov thiab lub teeb, tiv thaiv los ntawm UV hluav taws xob thiab kev hloov pauv kub, thaum tseem tsis pom tseeb yog li cov ntsiab lus tseem zais thaum cov khoom qhuav thiab tsis oxidized. Ntxiv mus, cov hnab txhuas laminate ua haujlwm zoo ib yam hauv cov tub yees khov tob lossis qhov chaw kub (nco ntsoov tias cov hnab ntawv ci tsis tuaj yeem siv tau rau hauv qhov cub yog tsis muaj kev kho tshwj xeeb).

* Kev Siv: Cov hnab ntawv ci siv tau rau kev tiv thaiv cov khoom muaj nqis lossis cov khoom lwj yooj yim xws 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 cov chaw muab kev pabcuam zaub mov, cov hnab sous vide / boil-in-bag feem ntau siv ntawv ci; lawv zoo tagnrho rau cov tshuaj / cov vitamins / cov tshuaj ntxiv / cov vitamins thiab lwm yam. Tsis tas li ntawd, cov nplooj tshuaj yej ntim hauv lub tshuab nqus tsev feem ntau khaws lawv cov saj ntev dua thaum khaws cia rau hauv ntawv ci laminate piv rau cov ntim yas (piv txwv li) qhia ntawm no tsuas yog ib qho piv txwv!

* Kev Sib Xws ntawm Lub Tshuab: Cov hnab ntawv ci txhuas feem ntau du thiab qee zaum raug kaw siv cov tshuab hnyav, ua rau DJVAC cov tshuab ntim khoom sab nraud uas tsim nyog rau kev tuav cov hnab no yam tsis muaj teeb meem.

Cov Ntawv Thov Kev Lag Luam thiab Cov Ntaub Ntawv Khaws Cia.

Cov hnab nqus tsev uas muaj kev thaiv siab muab ntau yam kev siv ntau dua li tsuas yog khoom noj xwb:

Cov Khoom Siv Hluav Taws Xob & Cov Khoom Siv Hlau: Raws li tau hais ua ntej lawm, cov hnab nqus tsev rau cov khoom siv hluav taws xob thiab cov khoom siv hlau tiv thaiv cov khoom uas rhiab heev rau dej thaum lub sijhawm xa khoom. Thaum ua ke nrog cov tshuaj desiccant, cov chaw nqus tsev muab ib puag ncig uas tsis muaj kev sib xyaw ua ke lossis xeb ntawm cov khoom siv hlau. Tsis zoo li cov khoom noj, PA / PE lossis cov hnab nqus tsev kuj tseem tuaj yeem ntxuav nrog nitrogen ua ntej kaw siv cov tshuab DJVAC uas muaj cov clamps thiab kev tswj hwm kom tsim nyog los tswj cov hnab ntawv ci lossis cov hnab txhuas tuab dua.

* Kev Khaws Cov Ntaub Ntawv: Rau kev khaws cov ntaub ntawv zoo tshaj plaws, cov chaw khaws ntaub ntawv feem ntau siv cov zaj duab xis tsis muaj zog xws li polyethylene lossis polyester/Mylar zaj duab xis los thaiv cov pa oxygen thiab cov kab tsuag, tsim cov hnab ntim cua kom tsis txhob muaj xim daj thiab pwm loj hlob hauv cov ntaub ntawv ntawv. Ib yam li cov ntim khoom noj, kev txwv cov pa oxygen ntxiv ua rau lub neej ntev dua - lub pob ntim cua ua rau lub neej ntev ntawm cov ntaub ntawv ib yam li nws ua rau cov khoom noj ntev dua.

* Tshuaj thiab Kho Mob: Cov khoom siv kho mob uas tsis muaj kab mob yuav tsum tau kaw hauv lub tshuab nqus tsev siv cov hnab uas muaj cov khoom thaiv siab nrog cov hnab PA/PE uas muaj cov qhov kua muag kom yooj yim qhib, ua raws li FDA lossis cov qauv kho mob.

Hauv txhua qhov xwm txheej no, nws yog qhov tseem ceeb uas yuav tsum 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 lossis cov ntaub ntawv zoo). Cov tshuab nqus tsev DJVAC tuaj yeem ua raws li ntau qhov loj me ntawm lub hnab laminate; cov neeg siv khoom yuav tsum qhia meej tias lawv xav tau zaj duab xis twg thaum tso cov xaj nrog peb.

Yuav Xaiv Cov Khoom Siv Rau Lub Hnab Nqus Tsev Li Cas

Xav txog cov yam no thaum xaiv cov khoom siv hnab nqus tsev:

*Kev Xav Tau Thaum Muaj Kev Txhaws: Cov khoom yuav tsum tshiab rau lub sijhawm twg? Rau kev siv lub tub yees luv luv, cov hnab PA/PE lossis PET/PE txheem yuav txaus; rau kev khaws cia khov ntev ntau lub hlis lossis cov khoom rhiab heev uas xav tau kev tiv thaiv kev kis oxygen siv EVOH laminates nrog cov nqi kis O2 qis heev hloov.

* Kev Tiv Thaiv Tshuab: Koj cov khoom puas yuav muaj cov npoo ntse lossis raug tuav hnyav? Xaiv qhov tseem ceeb uas tiv taus qhov tho (nylon-rich laminates lossis embossed texturing). Cov khoom lag luam loj lossis cov nqaij uas muaj pob txha xav tau cov zaj duab xis muaj zog dua.

* Txoj Kev Kaw: Cov hnab nqus tsev siv lub tshuab kaw cua sov ua lawv txoj kev tseem ceeb rau kev kaw. PE (LDPE lossis LLDPE) feem ntau yog siv ua cov khoom kaw, xav tau qhov kub ntawm kev kaw uas phim cov cua sov ntawm koj lub tshuab kom tau txais txiaj ntsig zoo. Qee cov yeeb yaj kiab thaiv siab yuav xav tau qhov kub ntawm kev kaw siab dua lossis lub zog clamp hnyav dua rau kev nplaum kom zoo.

* Kev Nyab Xeeb Khoom Noj thiab Cov Cai: Siv cov yeeb yaj kiab qib khoom noj uas tau pom zoo los ntawm FDA/GB thaum muab cov khoom muag rau cov lag luam txawv teb chaws; DJVAC ua haujlwm nrog cov neeg muab khoom siv hnab uas muab cov ntaub ntawv pov thawj rau lub hom phiaj no. Thaum muag cov yeeb yaj kiab txawv teb chaws, cov ntaub ntawv ua raws li txoj cai kuj tseem yuav tsum tau ua.

* Kev Tshuaj Xyuas Tus Nqi/Kev Ua Tau Zoo: Cov hnab EVOH lossis cov hnab ntawv ci uas muaj kev cuam tshuam ntau feem ntau kim dua; ua tib zoo soj ntsuam lawv tus nqi piv rau qhov yuav tsum tau siv rau lub sijhawm khaws cia - piv txwv li, cov txiv ntoo uas ntim hauv lub tshuab nqus tsev uas npaj rau kev xa tawm yuav tsim nyog rau hom no thaum cov tub yees hauv tsev yuav nyiam cov hnab PA/PE yooj yim dua.

Cov neeg ua khoom feem ntau ua qhov kev sim siv cov hnab qauv uas cov chaw tsim khoom muab, thaum qee tus txawm muab cov yob sim lossis cov ntawv rau cov neeg siv khoom rau kev sim cov neeg siv khoom. Thaum tsim cov qauv koj xav tau rau koj cov khoom (piv txwv li "cov nqaij qaib khov"), thov qhia meej nws lub sijhawm khaws cia xav tau, txoj kev ntim khoom thiab lub sijhawm khaws cia xav tau los pab txiav txim siab nws cov qauv pom zoo.

Xaus lus

Cov tshuab ntim khoom siv nqus tsevyog cov cuab yeej siv tau ntau yam, tab sis kom ua haujlwm tau zoo lawv xav tau cov khoom siv hnab tsim nyog. DJVAC lub tshuab ntim khoom nqus tsev tuaj yeem khiav txhua hom hnab loj muaj - los ntawm cov hnab PA / PE txheem thiab cov hnab EVOH siab txog rau cov ntawv ci laminates hnyav. Cov chaw tsim khoom tuaj yeem ua kom cov khoom zoo thiab ua haujlwm tau zoo los ntawm kev nkag siab txog cov khoom siv xws li lub zog thaiv, tiv taus cua sov thiab lub zog puncture thiab sib txuas nrog lawv cov ntawv thov (nqaij, cheese, kas fes lossis txiv ntoo, piv txwv li). Los ntawm kev nkag siab thiab phim cov no rau cov ntawv thov xws li kev tsim nqaij lossis kev ua cheese piv txwv li. Kev siv lub hnab tsim nyog nrog txhua lub tshuab (embossed piv rau tiaj tus, chamber piv rau suction) pab ua kom lub tshuab nqus tsev zoo tshaj plaws thiab kev sib khi ruaj khov. Thaum kawg, thaum siv lub tshuab ntim khoom nqus tsev DJVAC, xaiv cov ntaub ntawv hnab uas muab kev tiv thaiv khoom txaus thaum ua kom tiav nws tus qauv tsim. Txoj kev ntawd, koj yuav ua kom lub neej txee siab tshaj plaws, qhov zoo tshaj plaws, thiab cov ntsaws ruaj khov tshaj plaws - uas yog cov ntsiab lus tseem ceeb ntawm kev ua tiav ntawm cov khoom noj thiab kev lag luam ntim khoom.