Yuav Ua Li Cas Xaiv Ib Lub Khob Dej Kom Zoo Rau Kev Haus Dej

Cov khob dej yog feem ntau siv rau hnub ua haujlwm, tab sis muaj ntau hom khob. Raws li cov ntaub ntawv khob muaj kev txhawj xeeb, khob khob, enamel khob, khob ceramic, khob yas, khob stainless hlau, khob ntawv, khob thermos, khob kho mob, thiab lwm yam. Yuav ua li cas xaiv lub khob dej nyab xeeb tsim nyog rau haus.
Cov khob yas yog nyiam los ntawm ntau tus neeg vim lawv cov duab hloov tau, xim ci, thiab cov yam ntxwv tsis ntshai ntawm kev raug ntaus. Lawv tsim nyog rau cov neeg siv sab nraum zoov thiab cov neeg ua haujlwm hauv chaw ua haujlwm. Feem ntau hais lus, hauv qab ntawm lub khob yas muaj lub cim, uas yog tus lej ntawm daim duab peb sab me me. Qhov ntau yog "05", uas txhais tau hais tias cov khoom ntawm lub khob yog PP (polypropylene). PP khob muaj cov cua kub zoo, nrog lub melting point ntawm 170 ° C ~ 172 ° C, thiab cov khoom siv tshuaj muaj zog. Ntxiv rau qhov raug corroded los ntawm concentrated sulfuric acid thiab concentrated nitric acid, lawv kuj tseem ruaj khov rau ntau yam tshuaj reagents. Tab sis qhov teeb meem nrog lub khob yas zoo tib yam yog dav. Yas belongs rau macromolecule chemical khoom. Thaum cov dej kub los yog dej rhaub tau ntim rau hauv lub khob yas, cov macromolecule yooj yim los nag thiab yaj mus rau hauv dej, uas yog teeb meem rau tib neeg kev noj qab haus huv tom qab haus. Ntxiv mus, sab hauv microstructure ntawm cov yas muaj ntau qhov pores, uas zais cov av, thiab cov kab mob yuav yug me nyuam yog tias nws tsis ntxuav. Yog li ntawd, kev xaiv lub khob yas yog ib qho tseem ceeb heev rau kev xaiv cov khoom siv yas, thiab cov khoom noj-qib yas uas ua tau raws li cov qauv hauv tebchaws yuav tsum tau xaiv. Qhov ntawd yog cov khoom siv PP.
Cov khob dej muaj yeeb yuj ceramic yog qhov zoo nkauj heev, tab sis qhov tseeb muaj qhov phom sij loj loj zais rau hauv cov xim ci. Sab hauv phab ntsa ntawm ib lub khob pheej yig xim ceramic feem ntau yog coated nrog ib txheej ntawm glaze. Thaum lub khob glazed tau ntim nrog dej kub los yog dej acidic lossis alkaline, qee cov txhuas thiab lwm cov hlau hnyav hnyav hauv cov glaze tau yooj yim precipitated thiab yaj rau hauv cov kua. Lub sijhawm no, tib neeg haus cov kua nrog tshuaj lom neeg, thiab tib neeg lub cev yuav raug mob. Nws yog qhov zoo tshaj plaws los xaiv lub khob xim ntuj thaum siv khob ceramic. Yog tias koj tsis tuaj yeem tiv taus qhov kev ntxias ntawm cov xim, ncav tes thiab kov cov xim ntawm qhov chaw. Yog hais tias qhov saum npoo yog du, nws txhais tau hais tias nws yog underglaze xim los yog nyob rau hauv-glaze xim, uas yog kuj muaj kev nyab xeeb; Yog hais tias yuav poob tawm, nws txhais tau hais tias nws yog xim glaze, yog li nws yog qhov zoo tshaj plaws tsis mus yuav nws.
Tam sim no, yuav luag txhua tsev neeg thiab chav tsev npaj cov khob ntawv tso quav, uas yog siv los ntawm ib tus neeg thiab muab pov tseg tom qab siv. Nws yog tu cev thiab yooj yim, tab sis xws li ib khob khob hides ntau yam teeb meem. Muaj peb hom ntawv khob ntawm kev ua lag luam: thawj tus yog ua los ntawm cov ntawv dawb thiab tsis tuaj yeem tuav dej thiab roj. Qhov thib ob yog lub khob ntawv waxed. Ntev npaum li qhov kub ntawm cov dej hauv nws siab tshaj 40 degree, cov wax yuav yaj thiab tso cov carcinogenic polycyclic aromatic hydrocarbons. Hom thib peb yog daim ntawv-yas khob. Yog tias cov ntaub ntawv xaiv tsis zoo lossis cov cuab yeej ua haujlwm tsis zoo txaus, hauv cov txheej txheem kub-kua lossis siv polyethylene rau khob ntawv, kev hloov pauv yuav tshwm sim thiab cov carcinogens yuav raug tsim. Txhawm rau ua kom cov tawv nqaij tawv thiab nruj ntawm lub khob, cov yas yas ntxiv rau hauv lub khob ntawv.