Does sunlight discolor Slate-Lite?
Weathering causes hardly any or minimal uniform deviations in coloration.
Test method:
Resistance to UV radiation (UV-B) according to DIN EN ISO 11507
Test cycle: 4 hours; irradiation 50°C / 4 hours; thawing 40°C
Test duration: 1,000 hours with evaluation after 250h, 500h, 750h
Evaluation: Color change according to DIN EN ISO 11664-4, Sp62 by X-Rite Measuring geometry: d/8°, illuminant: D65