Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Evonik AEROXIDE P25 Titanium Dioxide

Evonik AEROXIDE P25 Titanium Dioxide is a premium-grade nanoscale photocatalytic TiO₂ powder combining anatase and rutile phases. Renowned for high surface area, exceptional UV activity and superior dispersion stability, it serves advanced applications in self-cleaning coatings, air/water purification, and functional composites. Manufactured under strict quality control by Evonik’s specialty materials division.
  • evonik aeroxide p25 titanium dioxide_a4999dc0
  • evonik aeroxide p25 titanium dioxide_a4999dc0

Features Of Evonik AEROXIDE P25 Titanium Dioxide

  1. Highly photocatalytically active anatase/rutile mixed-phase composition (approx. 80:20 ratio).

  2. Nanoparticulate form with primary particle size of ~21 nm, enabling exceptional surface area (~50 m²/g).

  3. Surface-treated with amorphous silica for improved dispersibility and reduced agglomeration in aqueous and polar media.

  4. Exceptional UV absorption and strong oxidative capability under UV-A irradiation.

  5. Consistent batch-to-batch reproducibility and stringent quality control per ISO 9001 and ISO 14001 standards.

Typical Applications Of Evonik AEROXIDE P25 Titanium Dioxide

  1. Air purification systems for VOC decomposition in HVAC and indoor air treatment units.

  2. Self-cleaning coatings for architectural glass, façades, and ceramic tiles.

  3. Antimicrobial surfaces in healthcare environments and touch-sensitive public infrastructure.

  4. Photocatalytic water treatment for organic pollutant degradation in municipal and industrial wastewater streams.

  5. Functional additives in advanced polymer composites requiring UV-triggered reactivity or surface hydrophilicity.

Specifications Of Evonik AEROXIDE P25 Titanium Dioxide

Chemical TypeTitanium dioxide (TiO₂), anatase/rutile mixed phase
Product FormFree-flowing white nanopowder
AppearanceWhite to off-white powder
Primary Particle SizeApprox. 21 nm (by XRD)
Specific Surface Area (BET)~50 m²/g
Surface TreatmentAmorphous silica (SiO₂) coated
Crystalline Phase Ratio (Anatase:Rutile)Approx. 80:20 (by XRD)
Key FeaturesPhotocatalytic activity, high UV absorption, hydrophilic surface after UV exposure


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