Dab tsi thaiv tus nqi ua tshav kub-foob pob ua kua mis ntawv yog xaub khob xav tau kom ntseeg tau tias lub txee lub neej ntawm cov kua mis yogurt?

1. Lub hauv paus rau phau ntawv: Lub luag haujlwm txiav txim siab ntawm Aluminium Foil Barrier Properties hauv Yogurt Zoo

Yogurt-khob-kub-seal-aluminium-foilt yog nyob ntawm sab nraud ib puag ncig kev cuam tshuam: oxygen ua rau oxidative rancidity ntawm mis nyuj rog thiab degradation ntawm B vitamins; moisturizing ua rau cov khoom dehydration / hardening los yog microbial loj hlob; ultraviolet (UV) thiab pom lub teeb nrawm nrawm probiotic inactivation (E.G., qhov inactivation tus nqi ntawm LGG probiotics nyob rau hauv lub teeb yog 37% siab dua nyob rau hauv qhov tsaus ntuj nti). Raws li cov tub ntxhais barrier txheej ntawm tshav kub-sealed hau, cov Performance index ntawm aluminium ntawv ci ncaj qha txiav txim siab yogurt txee lub neej - qhov txawv ntawm 7 hnub ntawm lub tub yees cia thiab 6 Lub hli ntawm chav tsev kub cia qhov tseem ceeb qhia txog qhov ntsuas qhov muaj peev xwm ntawm cov txheej txheem aluminium foil composite. Hom zoo li Xiyu Meinuo tau ua kom zoo dua aluminium foil hau tshuab, extending lub txee lub neej ntawm loj-loj yogurt (1kg ntim) dhau 50% piv rau kev ntim khoom ib txwm muaj, uas lees paub tus nqi tseem ceeb ntawm yogurt khob kub foob aluminium ntawv ci hauv kev ruaj ntseg zoo.

2. Quantitative Standards and Mechanisms of Core Barrier Indicators

(1) Oxygen Barrier Rate: Lub Freshness Pib ntawm ≤0.5 cm³ /(Tim20 -H tebchaws 12NPA)

1. Standard Thresholds

Khoom noj khoom haus-qib aluminium foil composite films yuav tsum ua raws li cov cai ntawm T / ZZB 1713-2020, nrog Oxygen Transmission Rate (OTR) ≤ 0.5 cm³ /(Tim20 -H tebchaws 12NPA). Qhov ntsuas no enables lub txee lub neej ntawm 14-21 hnub rau tub yees yogurt; Piv txwv, Yunnan Zhadian Yogurt siv barrier films raws li tus qauv no, ncua nws lub neej txee los ntawm 3 hnub piv rau kev ntim khoom zoo tib yam. Rau chav tsev kub sterilized yogurt, kev txhim kho rau cov qauv tshuaj-qib (OTR ≤ 0.05 cm³ /(Tim20 -H tebchaws 12NPA)) yog yuav tsum tau, ua ke nrog aseptic thev naus laus zis kom ua tiav 6 lub hlis txee lub neej. Qhov tseeb Standard GB / T 43951-2024 qhia ntxiv tias cov ntaub ntawv coated txhuas yuav tsum muaj OTR ≤1.0 cm³ /(Tim20 -H tebchaws 12NPA), haum rau kev siv ntau qhov xwm txheej xws li daim ntawv raws li yogurt khob.

2. Failure Mechanism

Thaum OTR tshaj 2 cmy /(Tim20 -H tebchaws 12NPA), cov ntsiab lus ntawm oxidized mis nyuj whey protein cov khoom (E.G., carbonyl compounds) nyob rau hauv yogurt yuav tshaj txwv nyob rau hauv 7 hnub, ua rau ib tug rancid saj. Kev ntsuas kub qis los ntawm Labthink qhia tias cov yeeb yaj kiab dawb dawb muaj OTR ntawm 568 cmy /(Tim20 -H tebchaws 12NPA), txhawb nqa lub neej txee ntawm nkaus xwb 3 hnub.

(2) Moisture Barrier Rate: Cov Moisture-Proof Critical Value ntawm ≤0.5 g /(24.)

1. Yam yuav tsum tau muaj

Dej Vapor Transmission Rate (WVTR) ntawm yogurt khob kub foob txhuas ntawv ci kub-sealed hau yuav tsum ≤0.5 g /(24.), ib qho kev qhia uas tswj yogurt noo noo poob kom tsawg dua 0.3% ib hlis. Nyob rau hauv high-humidity ib puag ncig (RH ≥85%), kws-qib high-barrier aluminium foil (WVTR ≤0.1g /(24.)) yuav tsum tau tiv thaiv pwm kab mob los ntawm condensation nyob rau hauv lub ntim. Cov ntaub ntawv ntsuam xyuas ntawm aluminium foil gaskets rau yogurt khob hauv Jiangsu Province qhia tau hais tias cov khoom ua raws cai tswj tau qhov ruaj khov WVTR ntau yam ntawm 0.3-0.4 g /(24.), Raws li cov txheej txheem tswj cov txiaj ntsig ntawm 8011-O txhuas ntawv ci los ntawm Mingtai Aluminium.

2. Kev sib raug zoo

Rau txhua tus 0.1 g /(24.) nce nyob rau hauv noo noo kis tau tus mob, tus nqi acid (pH) poob tus nqi ntawm yogurt accelerates los ntawm 15%, thiab teem yogurt yog nquag mus rau stratification. Los ntawm thickness tswj ntawm lub ntsiab 0.04-0.09mm ntau yam, Mingtai Aluminium tswj qhov hloov pauv ntawm WVTR ntawm aluminium foil substrates ntawm ≤0.05 g /(24.).

(3) Lub Teeb Barrier Rate: Kev tiv thaiv tag nrho ntawm ≥99.96%

1. Kev Xav Tau

Aluminium foil composite films yuav tsum ua tiav qhov teeb meem teeb meem ntawm ≥99.96% (Lub teeb transmittance ≤0.045%) nyob rau hauv 200-760nm wavelength ntau. Ntawm no, the UV (200-380nm) barrier tus nqi yuav tsum ncav cuag 100%; los yog, probiotic ciaj sia tus nqi yuav txo los ntawm 23% ib lub lis piam, thiab vitamin D poob tus nqi yuav nce los ntawm 40%.

2. Tus qauv lav

Nyob rau hauv tus tsiaj / AL / PE · EVA peb txheej txheej txheem, 0.04mm yogurt khob kub foob txhuas ntawv ci txheej tuaj yeem thaiv lub teeb pom kev; ua ke nrog UV nqus cov khoom ntawm PET txheej, nws tsim dual kev tiv thaiv. Vim lub teeb transmittance dhau 85%, iav lub raj mis ntim tsuas yog txhawb nqa lub neej txee ntawm 3-5 hnub, highlighting tus nqi tseem ceeb ntawm aluminium ntawv ci rau lub teeb shielding.

3. Qhov tseem ceeb cuam tshuam qhov cuam tshuam ntawm Barrier Performance thiab Optimization Paths

(1) Aluminium Foil Substrate Yam ntxwv

• Alloy xaiv: 8011 aluminium alloy muaj 1.0-1.5% Si thiab 0.8-1.2% Fe, muab ib 20% siab barrier khoom dua li ntshiab aluminium. Nws O-state (ib qho tseem ceeb) daim ntawv muaj ductility zoo heev, tiv thaiv kev tawg tom qab tsim, ua nws cov khoom nyiam rau yogurt hau. Nws chav-kub tensile zog ncav cuag 100-120MPa, thiab elongation tom qab tawg yog 8-10%, ua tau raws li qhov xav tau ntawm stamping thiab kub-sealing ntawm automated ntau lawm kab.

• Thickness Tswj: Kev lag luam lub ntsiab thickness ntau yog 0.04-0.09mm, nrog qee cov khoom customized txuas mus rau 0.018-0.2mm. Hlais ntawv ci (<0.018mm) nws yooj yim rau pinholes (≥3 pinholes ib m² renders nws invalid), thaum cov ntawv tuab tuab heev (>0.1mm) txo straw puncturability thiab tshav kub-sealing compatibility. Los ntawm high-precision dov tshuab, Mingtai Aluminium tswj thickness kam rau ua nyob rau hauv ± 0.002mm.

(2) Composite txheej txheem thiab cov qauv tsim

1. Interlayer Synergy: Nyob rau hauv tus qauv PET/AL/PE·EVA, PET txheej txhim khu kev tiv thaiv (puncture zog ≥3.5N), PE·EVA txheej ua kom cov cua sov sealing muaj zog (≥10 N / 15mm), Thiab tus Txhuas Ntawv Nyiaj Nyiaj Txheej tsom rua kev ua haujlwm barrier. Adhesives yuav tsum ua kom tau raws li qhov yuav tsum tau ua kom muaj qhov kub thiab txias; silicone-raws li adhesives tuaj yeem tiv taus 121 ℃ sterilization yam tsis muaj delamination.

2. Tswj tsis raug: Npuas thiab wrinkles thaum lub sij hawm ua composite yuav tsum tau zam, raws li lawv tuaj yeem ua rau 10-15x tam sim ntawd nce hauv OTR hauv zos. Siv qhov kev tshuaj xyuas online AOI, Mingtai Aluminium ua tiav 0.01mm-theem kev kuaj pom, tswj qhov tsis xws luag ntawm cov yeeb yaj kiab sib xyaw hauv qab no 0.02%.

(3) Ib puag ncig thiab kev cia khoom

Tsawg-kub tub yees (2-6℃) txo oxygen permeation tus nqi los ntawm 30%; ua ke nrog aluminium foil barrier, nws extends lub txee lub neej ntawm stirred yogurt rau 28 hnub. Rau chav tsev kub cia (25℃), OTR yuav tsum raug txo kom ≤0.1 cm³ /(Tim20 -H tebchaws 12NPA). Qhov kub thiab txias cuam tshuam rau yogurt khob kub seal aluminium foil t kev ua haujlwm: kub kub (>60℃) soften lub tshav kub-sealing txheej, thaum tsis kub (<0℃) ua kom cov gasket nkig - ob qho tib si yuav ua rau lub foob tsis ua haujlwm.

4. Kev lag luam Standards thiab Quality Control Systems

1. Tseeb Standard Framework

2. Full-Chain Quality Control System

• • Kev ntsuam xyuas substrate: Kev ntsuam xyuas dej yuav tsum mus txog qib A (tsis tu ncua dej zaj duab xis rupture) kom huv si saum npoo;

• • Txoj Kev Xeem: Stamping qhov tseeb ≤ ± 0.2mm, tsis muaj burrs ntawm ntug, tev lub zog ≥1.5 N / mm;

• • Kev Ntsuas Kev Ua Haujlwm: OTR yog kuaj los ntawm txoj kev coulometric sensor (GB / T 1038.2-2022); WVTR raug kuaj nyob rau hauv qhov kub thiab txias (38℃) thiab av noo (90% P) rau 72 xuabita;

• • Environmental Control: Kev tsim khoom yuav tsum tau ua hauv Chav Kawm 10,000 huv huv huv si rhiav, nrog tag nrho microbial suav ≤10 CFU / cm².

5. Yav tom ntej Trends: Sib npaug High Barrier Properties thiab Sustainability

1. Khoom siv tshiab: Kev loj hlob ntawm 0.009mm ultra-nyias aluminium ntawv ci sib xyaw zaj duab xis, siv nano-SiO₂ txheej thev naus laus zis los tswj cov khoom thaiv thaum txo kev siv txhuas los ntawm 30%. Composite hloov kho ntawm 8011 alloy nrog Mg ntsiab nce aluminium ntawv ci kub tsis kam mus rau 150 ℃, adapting rau microwave cua sov scenarios，Yogurt-khob-heat-seal-aluminium-foilt.

2. Txhim kho tus qauv: Kev txais yuav Al / PA / EVOH / PE plaub txheej qauv txo OTR rau 0.01 cmy /(Tim20 -H tebchaws 12NPA), haum rau preservative-dawb yogurt nrog ntev txee lub neej. Optimization ntawm yooj yim-tear kab tsim tswj qhib quab yuam ntawm 5-8 N, txhim kho kev paub ntawm cov neeg siv khoom.

3. Eco-kev hloov pauv: Kev sib tsoo hauv aluminium-yas sib cais tshuab-Mingtai Aluminium ua tiav 95% aluminium rov qab tus nqi los ntawm cov yeeb yaj kiab sib xyaw ntawm qhov kub thiab txias pyrolysis-electrostatic sib cais. Daim ntawv thov ntawm degradable PEEVA cov txheej txheem kub-sealing ntxiv txo qhov cuam tshuam ib puag ncig.