LuminoKrom® Photoluminescent Paint

Jour et nuit d'une route avec peinture photoluminescente

LuminoKrom®, an economical and eco-sustainable solution

LuminoKrom® photoluminescent road paint is a patented and certified class G innovation: it captures and stores light during the day and lights up at night for 10 hours, without electricity or CO2 emissions.

LuminoKrom® is a low environmental impact solution for safe pedestrian and cyclist mobility at night. It is an economical solution that costs 50 times less than public lighting, a real asset for tomorrow’s infrastructures.

Deployed since 2018, LuminoKrom® road marking is the most efficient solution on the market and has been used on more than 85 sites. 

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LuminoKrom® technological innovation

LuminoKrom®’s innovation lies in the development of photoluminescent markings that are highly resistant outdoors, and capable of storing ambient light to provide diffuse luminosity in the dark, visible for more than 10 hours.

How does it work?

LuminoKrom® paint exploits the natural phenomenon of photoluminescence. This physical process enables the paint to recharge indefinitely in natural daylight or artificial lighting, without losing its effectiveness.

This patented innovation, made in France, was developed by OliKrom‘s R&D department. Several years of research and collaboration with the Eiffage Group were necessary to obtain a photoluminescent paint suitable for road applications, combining anti-slip, adhesion to the ground, colorimetry and chemical stability, with optimum luminous performance in terms of intensity and duration.

A label-certified paint

This development has been certified by ADEME’s “Road of the Future” program. LuminoKrom® photoluminescent marking contributes to the emergence of future infrastructures, which must be safer, more economical and more eco-responsible.

Its luminance level ( 10 hours visibility) is class G certified according to international standard ISO 17398.

Pigments de peinture photoluminescente

Testimonial, from innovation to use

The phenomenon of luminescence (via phosphorescence in particular) has long been known indoors (for stickers in children’s bedrooms, for example), but “until summer 2018, this property could not be used outdoors, as it was not resistant to aggressions such as rain and ultraviolet rays“, recalls Hervé Dumont, Technical Director at Eiffage Route.

A few years ago an attempt to apply phosphorescent paint to roads in the Netherlands even failed, with the paint showing signs of mildew in just a few weeks.

Since Summer 2018, we’ve been applying LuminoKrom® photoluminescent paint for road markings on a national road (RN2) from Paris to Soissons. This new luminescent horizontal signage is perfectly resistant to weather conditions and road traffic.

LuminoKrom® innovation now puts luminescence at the service of safe mobility. The importance of LuminoKrom® is to increase road safety: “Reflective paint has a range of 30 to 40 meters (the range of the headlights it reflects), whereas LuminoKrom® photoluminescent signage can reach 80 to 100 meters”, underlines Hervé Dumont.

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Application peinture LuminoKrom sur route national dans le domaine routier