Cov Ntsiab Lus Tseem Ceeb ntawm Lub Raj Mis Lip Gloss

Vim yog kev sib cuag ncaj qha ntawm lub raj mis ntim khoom di ncaujnrog rau tib neeg lub cev, qhov kev tu cev thiab kev nyab xeeb rau lawv cov ntim khoom yog nruj heev. Thaum xaiv cov raj yas, nws yog ib qho tsim nyog los xyuas kom meej tias cov khoom siv raw muaj kev nyab xeeb, uas yog, cov khoom siv raw yuav tsum ua raws li cov kev cai lij choj thiab cov cai, xws li muaj daim ntawv pov thawj los ntawm cov tsev kawm ntawv xws li FDA thiab SGS. Tib lub sijhawm, yuav tsum tau them sai sai rau cov txheej txheem tsim khoom thiab ib puag ncig tsim khoom kom ntseeg tau tias muaj kev huv thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce sab hauv.

Lub raj mis di ncauj gloss ntim khoom cov ntaub ntawv, ua ib qho tseem ceeb ntawm cov khoom ntim khoom kom zoo nkauj, lawv cov khoom siv kho tshuab xws li kev tiv thaiv compressive, kev tiv thaiv kev cuam tshuam, thiab lub zog khoov yog qhov tseem ceeb lav kom tiv thaiv kev puas tsuaj rau cov ntsiab lus. Cov khoom no tsis yog tsuas yog nyob ntawm cov yam ntxwv ntawm cov khoom ntim khoom xwb tab sis kuj cuam tshuam los ntawm cov tshuab ntim khoom thiab cov xwm txheej khaws cia thiab kev thauj mus los. Yog li ntawd, thaum xaiv cov raj yas, nws yog ib qho tsim nyog yuav tsum xav txog lawv qhov kev tawv thiab kev ua kom muaj zog kom tswj tau qhov zoo ntawm cov khoom thiab xyuas kom meej tias nws tuaj yeem rov qab mus rau nws lub xeev qub tom qab raug nias.

Cov ntaub ntawv thaiv kev siv dav dav lub raj mis ntim khoom di ncaujsuav nrog cov ntawv ci txhuas, EVOH, oxide-coated PET, thiab nylon, thiab lwm yam. Lawv cov khoom thaiv sib txawv nyob ntawm cov khoom siv thiab tuab. Piv txwv li, ntawv ci txhuas muaj cov khoom thaiv zoo heev, thiab thaum qhov tuab tshaj 25μm, nws cov nyhuv thaiv tuaj yeem ncav cuag 100%. Tib lub sijhawm, kev sib cuam tshuam ntawm cov tshuaj tsw qab thiab cov ntaub ntawv ntim khoom kuj yuav tsum tau xav txog. Piv txwv li, cov ntaub ntawv polyolefin tuaj yeem nqus cov roj tseem ceeb. Hauv cov xwm txheej zoo li no, kev ntsuas xws li ntxiv cov txheej tiv thaiv ntawm cov ntawv ci txhuas thiab cov ntaub ntawv polyolefin tuaj yeem ua tau.

Kev tiv thaiv huab cua ntawm lub raj mis ntim khoom di ncaujCov ntaub ntawv yog ib qho tseem ceeb hauv kev ua kom zoo thiab kev nyab xeeb ntawm cov tshuaj pleev ib ce. Nws cuam tshuam nrog ntau yam xws li cov khoom siv nws tus kheej tiv taus qhov kub thiab txias, kev ruaj khov ntawm qhov ntev, thiab kev tiv taus kev tawg ntawm ib puag ncig. Thaum lub caij ntuj no txias, qee cov tshuaj pleev ib ce xav tau cov ntim khoom uas tiv taus huab cua zoo tshwj xeeb kom ntseeg tau tias lawv zoo. Piv txwv li, yog tias cov raj yasyog ua los ntawm cov ntaub ntawv ib txwm muaj xws li PP, lawv yuav ua rau tawg yooj yim thiab tawg vim lawv qhov kub hloov pauv iav qis hauv qhov chaw kub qis, ua rau tsis ua tiav hauv kev sim poob lossis teeb meem tawg ntawm lub raj. Txhawm rau daws qhov teeb meem no, cov qauv mis ntawm cov raj yasyuav tsum tau hloov kho los ntawm kev ntxiv cov ntaub ntawv tawv kom txhim kho lawv qhov kev tiv thaiv kev cuam tshuam thiab xyuas kom meej tias muaj kev ua tau zoo hauv ntau qhov chaw ib puag ncig.

Cov txheej txheem kho kom zoo nkauj ntawm lub raj mis ntim khoom di ncaujCov ntaub ntawv feem ntau suav nrog kev luam ntawv ncaj qha thiab cov ntawv nplaum tus kheej. Cov txheej txheem luam ntawv ncaj qha suav nrog kev luam ntawv tshuaj ntsuam thiab kev luam ntawv offset, thiab lwm yam. Qhov sib txawv, qhov zoo ntawm cov ntawv nplaum tus kheej yog nyob rau hauv ntau yam thiab kev ruaj khov ntawm lawv cov ntawv luam tawm. Cov raj extruded ib txwm muaj feem ntau luam tawm tom qab tsim cov raj, feem ntau siv kev luam ntawv offset thiab kev luam ntawv tshuaj ntsuam, thaum kev luam ntawv tus kheej muaj ntau yam kev luam ntawv ua ke xws li letterpress, flexographic, offset, screen, thiab hot stamping, ua rau nws muaj peev xwm ua tiav cov xim ruaj khov dua thiab zoo heev.