Raws li qhov tseem ceeb ntawm cov thawv ntim khoom, kev xaiv cov khoom siv rau lub hau tuaj yeem cuam tshuam ncaj qha rau cov khoom sib khi, kev nyab xeeb, kav ntev, thiab kev ua haujlwm ib puag ncig. Nrog kev nce qib hauv cov ntaub ntawv tshawb fawb, lub hau kev tsim khoom tuaj yeem nthuav dav los ntawm cov hlau ib txwm siv rau ntau yam khoom sib xyaw. Kab lus no qhia txog kev faib tawm, yam ntxwv, thiab cov ntawv thov raug xwm txheej ntawm cov khoom siv tam sim no tuaj yeem npog cov ntaub ntawv.
Hlau Can Lids
Hlau tuaj yeem hau tseem yog qhov kev xaiv tseem ceeb hauv kev lag luam, nrog tinplate (tinplate) thiab txhuas yog cov khoom tseem ceeb.
1. Tinplate (Tinplate)
Tinplate tuaj yeem muab cov khoom siv zoo heev thiab cov khoom thaiv kev tiv thaiv, tiv thaiv cov pa oxygen thiab noo noo nkag mus. Lawv tau siv dav hauv cov khoom noj hauv kaus poom (xws li cov nqaij noj su thiab cov txiv hmab txiv ntoo hauv kaus poom) thiab cov khoom ntim tshuaj. Lub tin txheej txhim khu kev tiv thaiv corrosion thaum tiv thaiv kev puas tsuaj ntawm cov ntsiab lus los ntawm kev sib cuag ncaj qha nrog hlau substrate. Electroplating lossis coatings (xws li epoxy phenolic resin) tuaj yeem txhim kho lawv qhov tsim nyog rau cov ntsiab lus acidic lossis corrosive heev.
2. Aluminium Can Lids
Aluminium tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev lag luam dej haus vim lawv lub teeb yuag (qhov ceev tsuas yog ib qho - peb ntawm cov hlau), kev ua haujlwm yooj yim, thiab tus nqi qis. Piv txwv li, aluminium flip- lub hau sab saum toj yog feem ntau siv rau hauv cov pa roj carbonated haus thiab npias cov kaus poom, thiab lawv cov ductility ua kom muaj kev ruaj ntseg foob ntawm siab - cov kab ntau lawm. Tsis tas li ntawd, txhuas yog ib txwm tiv taus oxidation thiab ua tau raws li cov zaub mov feem ntau - qib yuav tsum tsis muaj txheej txheej ntxiv, tab sis nws yuav xav tau anodizing lossis polymer txheej txhawm rau txhim kho nws cov kev tiv thaiv rau qee cov ntsiab lus.
Plastic Can Lids
Yas tuaj yeem hau, sawv cev los ntawm polyethylene (PE), polypropylene (PP), thiab thermoplastic elastomers (TPE), yog tsim rau sealing tsis yog{0}}cov thawv hlau.
1. Polyethylene (PE) thiab Polypropylene (PP)
PE lub hau tuaj yeem muab kev hloov pauv zoo heev thiab feem ntau yog siv rau cov kua qaub qis (xws li cov tshuaj detergents) lossis cov tshuaj ntim tshuaj. PP muaj qhov ua tau zoo heev - qhov kub thiab txias (kwv yees li 160 degree), ua rau nws haum rau siab - cov ntawv thov kom tsis muaj menyuam (xws li cov hub khoom noj me nyuam). Ob leeg cov ntaub ntawv muaj cov tshuaj zoo inertness, tab sis lawv cov khoom thaiv tsis muaj zog, yuav tsum tau ntxiv cov ntaub ntawv xws li EVOH los ntawm ntau- txheej co-extrusion technology los txhim kho lawv cov roj lossis aroma barrier zog.
2. Thermoplastic Elastomer (TPE)
TPE tuaj yeem ua ke nrog cov elasticity ntawm cov roj hmab nrog kev ua haujlwm zoo ntawm cov yas thiab tau siv dav hauv cov thawv uas yuav tsum tau rov qhib dua, xws li tshuaj pleev ib ce thiab cov khoom tu tus kheej. Lawv cov mos mos ua kom cov neeg siv kev paub dhau los, thiab los ntawm kev hloov kho, lawv tuaj yeem ua rau cov kab mob los yog tiv thaiv - plam.
3. Composite Can Lids
Txhawm rau sib npaug kev ua tau zoo thiab tus nqi, cov khoom sib xyaw tuaj yeem tau txais cov koob npe nrov. Piv txwv li, cov txheej txheem laminated ntawm aluminium ntawv ci thiab yas zaj duab xis (xws li txhuas-PE zaj duab xis sib xyaw) khaws cov khoom thaiv siab ntawm cov hlau thaum txo qhov hnyav tag nrho. Cov khoom siv no tau siv dav hauv siab - cov ntim khoom noj kawg (xws li kas fes capsules) thiab cov tshuaj ntim tshuaj, tab sis nws cov kev sib tw rov ua dua tseem xav tau kev ua kom zoo dua los ntawm kev tsim qauv.
Cov ntsiab lus tseem ceeb rau kev xaiv cov khoom
Qhov kev txiav txim zaum kawg ntawm cov khoom siv rau lub hau yuav tsum muaj kev ntsuam xyuas dav dav ntawm qhov ntev hauv qab no:
• Cov yam ntxwv yam ntxwv: Corrosiveness, viscosity, thiab kub rhiab heev;
•Siv ib puag ncig: Txawm hais tias cov khoom yuav tsum tau siab -kub kom tsis muaj menyuam lossis qis- qhov kub thiab txias;
• Kev Ua Raws Cai: Piv txwv, FDA lossis EU 10/2011 ntawv pov thawj rau cov khoom noj khoom haus;
•Sustainability: Recyclability los yog biodegradability (xws li, txhuas muaj ib tug recycling tus nqi siab tshaj 95%, thaum ib co plastics yuav tsum tau chemical recycling).
Xaus
Txoj kev loj hlob ntawm cov ntaub ntawv tuaj yeem hloov mus rau lub teeb yuag, kev ua haujlwm zoo, thiab kev phooj ywg ib puag ncig. Kev ua tiav yav tom ntej hauv cov thev naus laus zis xws li nano- txheej thiab bio- cov yas yuav ua kom cov khoom muaj kev nyab xeeb thaum txo kev cuam tshuam ib puag ncig. Cov neeg tsim khoom yuav tsum sib npaug ntawm kev ua tau zoo, tus nqi, thiab cov hom phiaj kev ruaj ntseg thaum xaiv cov khoom kom ua tiav cov kev ntim khoom zoo.