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Sirris Smart Coating Application Lab and Helioscreen have applied and tested several easy-to-clean and dirt-repellent coatings on Helioscreen sunscreens.
Coated screens show increased dirt repellency as shown on following pictures:
Further testing related to durability and life-time expectation are currently ongoing at Helioscreen. The presentation given at the Smart Coatings workshop (14/01/2014) can be found on slideshare.