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PURETi Coat 4.0

A photocatalytic solution that transforms any surface into an air purifying agent

February 2024
Gallery PURETi Coat 4.0 1
Gallery PURETi Coat 4.0 1


PURETi is a solution that can be applied by electrostatic spraying to form a transparent mineral nano-red, durable and fine 40-nanometer coating on practically any building material: glass, metal, stone, concrete, paint, plastic, etc. Transparent coating of mineral oxides that acts as a catalyst in contact with ultraviolet light and oxidizes organic particles. It lasts over time maintaining its properties. Some of its characteristics are to destroy contaminating organic particles, kill bacteria and viruses and produce a super hydrophilic effect on the surface. It can last up to 2 years on heavy road traffic and up to 10 years on façades of buildings.

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Label Date February 16, 2024
By Pureti
From Spain
Maturity stage Prototype testing in the real world
Looking For Network, Visibility, Credibility

The environmental benefits

  • Coatings as thin as 40 nm
  • 10 to 25 times stronger than its closest competitor in the world market
  • Antibacterial activity resulting in 99.99% reduction
  • Indoor reductions of VOCs up to 81% in 8 months
  • Outdoors abatement of NOx up to 70%

The Financial benefits

  • Cost of pollution and premature deaths in a city like Bologna Italy per year €328.000.000 cost of applying Pureti Coat all over the city of Bologna €18.000.000 - Savings for the city €310M/year
  • Cost of internal HEPA air quality machines (average) for 50 sqm: 1000€. Cost of applied Pureti Coat (labor cost included) in the same area €200
  • Cost of disinfecting solution every day versus a continuous self-disinfecting solution for 2-3 years

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile


PURETi is the phoocatalytic and nanotechnological long lasting coating to purify the air and dissinfect surfaces.

View company profile Solution website
Headquarters 08960 Sant Just Desvern, Barcelona, Spain

Networking Partner

Horizon Results Platform - European Commission

The Horizon Results Platform is a new European Commission platform helping EU Research & Innovation funding beneficiaries to valorise their results with a view to creating socio-economic impact.

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Solutions Associated 20

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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator Pureti has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.