Ana amfani da wannan matsakaicin zafi na musamman don guduro UV, wanda ya dace da guduro UV, fim ɗin rufin zafi yana samuwa cikin sauƙi ta hanyar rufin anti-scratch Layer tare da aikin rufin zafi.Yana da amfani mai dacewa don amfani, ƙananan farashi, babban ma'anar.Lokacin da ganuwa haske watsa (VLT) ya kai 70%, infrared block rate iya isa 99%, ƙwarai inganta dan Adam ta'aziyya, ceton makamashi, samun dumi a cikin hunturu da sanyi a lokacin rani.