Specifications: TiO2 content: no less than 90% Average size: no more than 20nm PH value: acidic Crystal: anatase Appearance: white powder Photocatalytic efficiency: no less than 60% Moisture: no more than 1% The product is a white powder-like object, under the influence of the visible or ultraviolet light having a strong ability to oxidation and reduction, chemical properties of stability, and can make formaldehyde, toluene, xylene, ammonia, radon, TVOC and other harmful organics, pollutants, odors, bacteria, viruses, microorganisms and other harmful organisms completely decompose into harmless CO2 and H2O, and have the specialities such as removal of pollutants, hydrophilic, and self-cleaning properties with lasting performance and no secondary pollution. It is applicable to produce all kinds of photocatalyst spray, nano-antibacterial coatings, sewage treatment（it can degrade the organic macromolecules of the wastewater in the paper mills, printworks, alcohol and chemical plants so that they become CO2, H2O）, antimicrobial self-cleaning nano-fiber, sunscreen cosmetics, anti-ultraviolet, electronic materials and other products. Large specific surface area! Strong anion activity! High photocatalytic efficiency! Fast decomposition of harmful gases! Wide anti-ultraviolet wavelength range 280nm~460nm！