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The tests confirm it! PURETi Coat 4.0 Visible Light’s photocatalytic capacity is resistant to washing.
We have conducted several photocatalytic activity tests in accordance with the international standard ISO 21066:2018 and using the methodology followed by ColorMeter, with excellent results.
Cotton and polyester samples were treated with PURETi Coat 4.0 Visible Light. The photocatalytic activity was then tested, showing high percentages of activity. After subjecting the samples to several washing cycles, including one with detergent, the photocatalytic capacity showed zero variation. This allows us to conclude that the PURETi Coat 4.0 Visible Light treatment is resistant to washing
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