Hnub ci vaj huam sib luag yog ib qho khoom siv uas ncaj qha lossis tsis ncaj qha los hloov lub hnub ci hluav taws xob lub zog rau hauv hluav taws xob lub zog los ntawm cov duab hluav taws xob los ntawm cov duab hluav taws xob lossis cov nyhuv photochemical los ntawm kev nqus lub hnub ci. Cov khoom siv tseem ceeb ntawm cov hnub ci ci feem ntau yog" silicon" ;, hnub ci vaj huam sib luag tab sis cov nqi tsim tawm yog siab heev uas nws muaj qee qhov kev txwv hauv nws qhov kev siv dav. Piv nrog cov roj teeb zoo tib yam thiab cov roj teeb rov qab, hnub ci vaj huam sib luag hnub ci roj teeb muaj zog ntau dua-txuag thiab ib puag ncig cov khoom ntsuab.
Lub luag haujlwm ntawm cov iav toughened yog los tiv thaiv lub cev tseem ceeb ntawm lub zog tsim hluav taws xob (xws li cov hlwb), thiab kev xaiv ntawm lub teeb kis tau yog yuav tsum tau ua. Lub teeb xa hluav taws xob yuav tsum siab (feem ntau siab dua 91%); lub hnub ci ultra-dawb toughened kho mob. EVA siv rau qhov khi thiab kho lub iav tempered thiab lub cev tseem ceeb ntawm lub zog hluav taws xob (xws li roj teeb). Qhov zoo ntawm cov pob tshab EVA ncaj qha cuam tshuam rau lub neej ntawm cov qauv. EVA nthuav tawm rau cov huab cua yog qhov yooj yim rau lub hnub nyoog thiab daj, hnub ci vaj huam sib luag uas cuam tshuam rau lub teeb xa ntawm lub teeb. Ntxiv rau qhov zoo ntawm EVA nws tus kheej, hnub ci vaj huam sib luag txoj kev lamination txheej txheem ntawm lub chaw tsim hluav taws xob kuj tseem muaj kev cuam tshuam zoo rau lub zog hluav taws xob zoo ntawm lub module. Piv txwv li, hnub ci vaj huam sib luag EVA kua nplaum txuas tsis yog raws li tus qauv, hnub ci vaj huam sib luag thiab kev sib zog lub zog ntawm EVA thiab tempered iav thiab lub nraub qaum tsis txaus, hnub ci vaj huam sib luag uas yuav ua rau EVA lub hnub nyoog ua ntej. Cuam tshuam tivthaiv lub neej.