Photocatalytic Paints - Paints with added value

Poor outdoor air quality, as result of air pollution, has negative impacts on both human health and the natural environment. Whilst levels in some areas have been declining, there are more measures which need to be taken, specifically with regard to Nitrogen Oxides.  Nitrogen Oxides are produced by combustion as emissions from cars, trucks, buses and power plants. 

Whilst outdoor air pollution is important, we also need to consider the potential health effects of poor indoor air quality. Indoor air quality can have negative impacts on building occupants, particularly for groups of people with specific sensitivity to pollution including the young, elderly and those who suffer with existing respiratory health conditions.

Photocatalytic materials can help improve air quality and to keep surfaces looking cleaner for longer!


Minox Effect

KEIM term for the process of MInimising Nitrogen Oxides (NOx)

Photocatalytic Mineral Paints


Photocatalytic mineral paints use light energy to neutralise pollution.  Whilst mineral paints already contain only environmentally friendly and sustainable materials, titanium dioxide is also added as a catalyst which enables the photocatalytic  reaction.  The catalyst is not used up by the reaction and will continue to react for the life of the paint.  

The photocatalytic reaction converts Nitrogen Oxides and other harmful pollutants including formaldehyde and acetaldehyde into harmless nitrates.   The reaction helps to breakdown organic material and contaminants, keeping surfaces cleaner. When titanium dioxide is used in conventional paints it can breakdown the organic paint itself, reducing the lifespan of such paints. 



Photocatalysis Process
Clean air
Photocatalytically active mineral coatings help to break down air pollutants

Clean Surfaces
Photocatalytically active mineral coatings help to break down surface contaminants as well

In addition to improving air quality KEIM photocatalytic paints offers high levels of algae and fungal resistance and actively kills spores and surface contaminants.  This process is ideal for urban environments where traffic and pollution levels are high, but is increasingly beneficial for any properties or areas which suffer from prolific algae growth and fungal attack as the catalyst will continue to work for the life of the coating as well as internal areas which can experience mould and fungal growth.


Select below for links to the product pages for KEIMs photocatalytic products


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