... and basis materials avoids photolysizing basis material , meanwhile formaldehyde, benzene and bacterias diffuse onto titanium dioxide layer through ... cosmetic--- effective photocatalystic antibacterias, degrading toxic gas, such as formaldehyde, benzene and ammonia as well, improving greatly adherence, aging ... /paper drum with plastic bag inside TiO2 nano powder, titanium dioxide, CAS:13463-67-7