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AEROXIDE®

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Fumed Metal Oxides

Colorful silicone cooking utensils on a yellow and pink background

Product Overview

Evonik’s™ AEROXIDE® range is comprised of fumed titanium dioxide and fumed aluminium oxide, produced in a manufacturing process analogous to that used to make AEROSIL® fumed silica.

Two of the most popular grades are AEROXIDE® Alu C and AEROXIDE® TiO2 P 25. AEROXIDE® Alu C is a pure aluminium oxide grade which is primarily used as a free flow agent and to regulate triboelectric effects. AEROXIDE® TiO2 P 25 is a pure titanium dioxide grade and is commonly used as a heat stabiliser in silicone rubber, photocatalytic air purifier or in the creation of self-cleaning surfaces.

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Product Features
  • Fumed titanium dioxide and aluminium oxide
  • Hydrophilic and hydrophobic grades available
  • High-specific surface areas
  • High purity
Product Benefits
  • Highly efficient free flow additive (Alu grades)
  • Anti-blocking agent in PET films (Alu C)
  • Cationic charge helps to immobilize inks and pigments in high-quality paper coatings (Alu grades)
  • Photocatalytic effect: sterilisation, air purification, self-cleaning (P 25/PF 2)
  • Heat stabilizer in silicone rubber (P 25)
  • High level of UV absorption (T 805)
Typical Applications
  • Improving the thermal stability of silicone rubber
  • Free-flow agent for powder coatings
  • Anti-blocking agent in PET films
  • Photocatalytic applications e.g. wastewater treatment and reduction of NOx gases
Related Technical Articles

Featured grades with technical datasheets

A brief overview of the key grades with their Technical Datasheets (TDS) is given below.

If you are looking for a Safety Datasheet (SDS), Product Safety Information (PSI) or an alternate grade, then please get in touch or request a sample.

Key points at a glance:

  • Very fine fumed aluminium oxide.
  • Widely used as a free flow additive in various different systems.
  • Used in high quality inkjet coatings to help immobilize ink and pigments.
download AEROXIDE® Alu C Technical Datasheet 224 KB

Key points at a glance:

  • Fumed hydrophobic aluminium oxide with octylsilane surface treatment.
  • Improves flowability in toners.
  • Used in plastic powders e.g. PVC, to prevent adhesion and agglomeration. Protects powders from moisture.
download AEROXIDE® Alu C 805 Technical Datasheet 223 KB

Key points at a glance:

  • Hydrophilic fumed titanium dioxide.
  • Undergoes photocatalytic reactions to breakdown airborne pollutants, sterilize against microbes and create superhydrophilic surfaces for self-cleaning applications.
  • Heat stabilizer for silicone elastomers. Improves aging properties at high temperature and improves flammability protection.
download AEROXIDE® TiO2 P 25 Technical Datasheet 234 KB

Key points at a glance:

  • Very fine-fumed metal oxide
  • Very high specific surface area of 130 m2 /g
  • High chemical purity
  • Used in coatings and photo ink-jet coatings 
download AEROXIDE® Alu 130 Technical Datasheet 232 KB