Hnub ci hluav taws xob yog qhov tseem ceeb ntawm ntuj ultraviolet; UV zog txog li 3% ntawm tag nrho cov zog ntawm lub hnub. Ultraviolet faib rau UVA thiab UVB.UVA yog hu ua "laus rays" thiab yuav nkag mus rau chav hauv lub khob; qhov chaw ntawm cov rooj tog zaum hauv tsev aging.UVB kev puas tsuaj loj yog muaj zog tshaj UVA tab sis tsis tuaj yeem nkag mus rau hauv chav tsev los ntawm iav.CNG Anti UV iav qhov kev ua haujlwm yog lim tawm UVA rays tiv thaiv rooj tog.
Anti UV iav tseem ceeb indicators: Ultraviolet transmittance, Visible lub teeb transmittance, Tag nrho qoj infrared zog transmittance glR, kub hloov coefficient.
CNG on-line solar reflective iav tau zoo heev anti-ultraviolet muaj nuj nqi, koom nrog tsawg-e iav kuj muaj zog txuag cov nyhuv.
