|Nanophase Technologies Corporation|
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Zinc oxideZnO Nanoparticle /Nanopowder CAS Number : 1314-13-2
Cerium(IV) oxideCeO2 Nanoparticle /Nanopowder CAS Number : 1306-38-3
Exterior coatings are designed to provide protection from the harsh environment of outdoor weathering, especially the deterioration caused by UV radiation. For all types of substrates, UV Protection is critical to the long-term performance of the substrate and the coating that protects it.
One of the main influences on the coatings performance is the amount and type of UV absorbers used in the coatings. However, conventional organic UV absorbers are prone to degradation and do not provide the long-term protection an inorganic UV absorber, such as Nano Zinc Oxide provides.
Incorporating NanoArc® Zinc Oxide or NanoArc® Cerium Oxide provides long-term protection from harmful UV radiation in harsh environments.
Consumers prefer the appearance of natural wood and do not want to mask color and beauty but, the current UV Protection of a totally clear finish is unacceptable. Adding NanoArc® Zinc Oxide or NanoArc® Cerium Oxide into a clear finish enables a long lasting, totally clear finish which is the “holy grail” of the industry. The particles will also provide extended protection in semi-transparent stains. The benefit is shown in the following outdoor testing of a water-based clear finish.