Cov khob yas yog lub thawv ntim khoom siv dav siv uas tuaj yeem pom hauv ntau lub sijhawm. Txawm hais tias lub khob yas siv tau yooj yim, lawv qhov zoo yog ib qho kev txhawj xeeb heev. Txhawm rau ua kom lub khob yas zoo, peb yuav tsum tau ua ib qhokev tshuaj ntsuam xyuas. Nov yog qee qhov kev qhia txog cov khoom kuaj xyuas zoo rau cov khob yas.
1, Sensory xav tau
Kev xav xav tau yog thawj kauj ruam hauv kev tshuaj xyuas zoo ntawm cov khob yas. Cov kev xav tau muaj xws li qhov smoothness, xim uniformity, luam ntawv clarity, khob puab, thiab sealing ntawm sab nrauv ntawm lub khob. Txawm hais tias cov xwm txheej no yuav zoo li yooj yim, lawv yeej tseem ceeb heev. Piv txwv li, qhov smoothness ntawm sab nrauv ntawm lub khob tuaj yeem cuam tshuam rau nws qhov nyuaj ntawm kev tu thiab zoo li zoo, thaum lub khob sealing cuam tshuam rau nws cov practicality thaum siv.
2 、 Tag nrho cov kev tsiv teb tsaws chaw
Tag nrho cov nyiaj tsiv teb tsaws yog hais txog cov tshuaj nyob rau hauv cov khoom yas uas yuav tsiv mus nyob rau hauv cov zaub mov thaum muaj kev sib cuag nrog nws. Qhov nyiaj tsiv teb tsaws chaw no yog qhov taw qhia tseem ceeb rau kev ntsuas qhov zoo ntawm cov khob yas. Yog tias qhov ntim ntawm kev tsiv teb tsaws yog loj heev, nws yuav muaj kev cuam tshuam rau tib neeg kev noj qab haus huv. Yog li ntawd, nyob rau hauv kev soj ntsuam zoo ntawm lub khob yas, tag nrho cov kev tsiv teb tsaws yog ib qho tseem ceeb heev rau cov khoom kuaj.
3, kev siv cov poov tshuaj permanganate
Kev noj cov poov tshuaj permanganate yog hais txog cov tshuaj tiv thaiv ntawm lub khob yas thiab poov tshuaj permanganate nyob rau hauv tej yam kev mob. Qhov ntsuas no tuaj yeem cuam tshuam qhov muaj peev xwm ntawm cov organic decomposition hauv cov khob yas. Yog tias kev noj cov poov tshuaj permanganate siab dhau lawm, nws txhais tau hais tias kev noj qab haus huv ntawm cov khob yas tsis zoo, uas yuav cuam tshuam rau kev noj qab haus huv thiab kev noj qab haus huv.
4 、 Cov hlau hnyav
Cov hlau hnyav xa mus rau cov hlau uas muaj qhov ntom ntom ntau dua 4.5g / cm3. Hauv kev tshuaj xyuas zoo ntawm cov khob yas, cov hlau hnyav yuav tsum tau kuaj xyuas kom ntseeg tau tias lawv tsis muaj kev cuam tshuam rau tib neeg kev noj qab haus huv. Yog tias cov ntsiab lus hlau hnyav hauv khob yas siab dhau lawm, nws yuav raug nqus los ntawm tib neeg lub cev, ua rau muaj kev phom sij rau kev noj qab haus huv.
5,Kev kuaj decolorization
Kev kuaj decolorization yog ib txoj hauv kev los ntsuas cov xim ruaj khov ntawm cov khob yas hauv cov xwm txheej sib txawv. Qhov kev sim no suav nrog kev nthuav tawm lub khob rau ntau yam xwm txheej thiab saib xyuas nws cov xim hloov. Yog tias cov xim ntawm lub khob hloov pauv loj, nws txhais tau tias nws cov xim ruaj khov tsis zoo, uas yuav cuam tshuam rau kev zoo nkauj ntawm lub khob.
6,Lwm yam khoom kuaj
Ntxiv rau cov khoom kuaj saum toj no, kuj tseem muaj qee yam kev sim, xws li kev tsiv teb tsaws tshwj xeeb ntawm phthalic plasticizers, qhov tshwj xeeb kev tsiv teb tsaws tag nrho ntawm caprolactam, qhov tshwj xeeb tsiv teb tsaws tag nrho ntawm polyethylene, qhov tshwj xeeb tsiv teb tsaws tag nrho ntawm terephthalic acid, qhov tshwj xeeb. Kev tsiv teb tsaws tag nrho ntawm ethylene glycol, thiab qhov tshwj xeeb kev tsiv teb tsaws tag nrho ntawm antimony. Cov khoom kuaj no tuaj yeem pab peb kom nkag siab ntau dua ntawm cov tshuaj lom neeg hauv khob yas, yog li kev tiv thaiv tib neeg kev noj qab haus huv thiab kev nyab xeeb ib puag ncig.
Cov khob yas tau dhau los ua qhov kev xaiv nrov rau ntau tus neeg, tshwj xeeb tshaj yog cov tub ntxhais kawm thiab cov neeg ua haujlwm hauv chaw ua haujlwm, vim lawv qhov hnyav thiab ua haujlwm ntev. Txawm li cas los xij, xaiv lub khob yas tsim nyog kuj yuav tsum muaj kev txawj ntse. Nov yog qee txoj hauv kev xaiv cov khob yas rau siv:
Khoom siv: Cov khoom siv ntawm lub khob yas yog qhov tseem ceeb heev. Nws tsis pom zoo kom xaiv lub khob yas ua los ntawm cov khoom siv PC vim tias lawv nquag tso tawm bisphenol A, uas ua rau muaj kev phom sij rau kev noj qab haus huv. Cov khob yas ua los ntawm cov khoom siv xws li Tritan, PP, PCT, thiab lwm yam tuaj yeem txiav txim siab.
Hardness: Lub hardness ntawm lub khob yas tuaj yeem hnov ntawm tes. Yog tias lub khob yas zoo li mos thiab lub thickness tsis txaus, ces tsis txhob xaiv nws. Cov khob yas zoo dua yog ua los ntawm cov ntaub ntawv tuab, uas xav tias thicker thaum pinched ntawm tes.
Cov ntxhiab tsw: Ua ntej yuav lub khob yas, koj tuaj yeem hnov qhov tsw ntawm lub khob yas ua ntej. Yog tias lub khob yas muaj cov ntxhiab tsw phem, tsis txhob yuav nws.
Cov tsos mob: Thaum xaiv lub khob yas, nws yog ib qho tseem ceeb uas yuav tau xyuam xim rau nws cov tsos. Ua ntej, xyuas cov xim ntawm lub khob yas. Tsis txhob yuav cov khob yas uas ci ntsa iab. Qhov thib ob, saib seb puas muaj impurities hauv lub khob yas. Thib peb, xyuas seb lub khob yas yog du.
Hom: Thaum muas lub khob yas, nws yog qhov zoo tshaj plaws los xaiv cov tuam txhab lag luam nrog lub npe zoo rau kev lav zoo.
Thaum kawg, kuv xav ceeb toom rau txhua tus neeg tias txawm tias lawv xaiv lub khob yas zoo li cas, lawv yuav tsum tau ua tib zoo saib xyuas txoj kev siv kom tsis txhob muaj teeb meem kev noj qab haus huv los ntawm kev siv tsis raug. Piv txwv li, tsis txhob khaws cov khoom noj acidic lossis oily rau lub sijhawm ntev.
Post lub sij hawm: Aug-07-2024