Tempered iav tsis tuaj yeem ua tiav ntxiv vim nws tau dhau los ua cov txheej txheem tsim khoom tshwj xeeb hu ua tempering, uas hloov nws lub cev. Thaum lub sij hawm tempering, iav yog rhuab mus rau ib tug kub kub thiab ces txias sai heev, tsim kom muaj kev ntxhov siab nyob rau hauv uas ua rau nws muaj zog thiab durability. Cov txheej txheem no kuj hloov txoj kev uas cov iav tawg, ua rau nws tawg mus rau hauv me me, granular pieces es tsis txhob ntse, jagged shards.
Thaum cov iav tempered tsim, nws tsis tuaj yeem txiav, drilled, lossis zoo li tsis tawg. Txhua qhov kev sim ua cov iav tempered yuav ua rau nws tawg mus rau hauv cov khoom me me, muaj kev nyab xeeb. Qhov no yog ib qho kev nyab xeeb tshwj xeeb, raws li cov iav tempered feem ntau yog siv rau hauv cov ntawv thov uas muaj kev nyab xeeb muaj kev txhawj xeeb, xws li hauv tsheb qhov rais, qhov rooj da dej, thiab iav panels hauv tsev. Qhov tsis muaj peev xwm ua cov iav tempered ntxiv kom ntseeg tau tias nws tseem muaj zog thiab muaj kev nyab xeeb rau kev siv hauv cov ntawv thov no.
