Kev ua tau zoo ntawm pob tshab yas
Pob tshab yas yuav tsum muaj siabpob tshabua ntej, ua raws li qee qhov ntawm lub zog thiab hnav tsis kam, tuaj yeem tiv thaiv kev poob siab, qhov chaw tiv thaiv tshav kub yog qhov zoo, tshuaj tiv thaiv zoo heev, thiab kev nqus dej me me.Tsuas yog nyob rau hauv txoj kev no nws tuaj yeem siv los ua kom tau raws li qhov yuav tsum tau ua ntawm pob tshab.Kev hloov mus sij hawm ntev.PC yog qhov kev xaiv zoo tshaj plaws, tab sis feem ntau vim yog tus nqi siab ntawm nws cov khoom siv raw thiab qhov nyuaj ntawm kev txhaj tshuaj molding, nws tseem siv PMMA ua qhov kev xaiv tseem ceeb (rau cov khoom siv feem ntau), thiab PPT yuav tsum tau ncab kom tau txais cov khoom zoo. .Yog li ntawd, nws feem ntau yog siv rau hauv ntim thiab ntim.
Tej teeb meem uas yuav tsum tau pom thaum lub sij hawm txhaj tshuaj ntawm pob tshab yas
Vim yog lub teeb permeability siab ntawm cov yas pob tshab, nws yog ib qho inevitable uas qhov zoo ntawm cov khoom yas yuav tsum nruj, thiab yuav tsum tsis muaj cov cim, stomata, thiab whitening.Fog Halo, dub me ntsis, discoloration, tsis zoo luster thiab lwm yam tsis xws luag, yog li nyob rau hauv lub txhaj tshuaj molding txheej txheem ntawm raw khoom, khoom siv.Pwm, txawm tias tus tsim ntawm cov khoom, yuav tsum tau ceev faj heev thiab muab tso rau pem hauv ntej nruj los yog txawm yuav tsum tau tshwj xeeb.
Thib ob, vim tias cov yas pob tshab muaj lub siab melting point thiab cov dej tsis zoo, txhawm rau kom ntseeg tau tias qhov zoo ntawm cov khoom, nws yog ib qho tsim nyog yuav tsum tau hloov me me hauv cov txheej txheem tsis xws li chim kub, txhaj tshuaj, thiab txhaj tshuaj ceev, yog li. tias cov yas tuaj yeem ntim nrog pwm.Nws tsis tsim kev ntxhov siab sab hauv thiab ua rau cov khoom deformation thiab tawg.
Post lub sij hawm: Apr-08-2020