Also, this cover has insulating properties. The main disadvantage of epoxy paints - they are two-and after mixing with hardener lacquer bases can not be stored for a long time. Drying time the finished paint up to 10 hours is the average for all types of paints. Harmful to humans, are part of a varnish, after curing, paint lose their danger to the human body so they are harmless. Polyurethane varnish - compounds derived the interaction of hydroxyl and isocyanate components.
After curing, the polyurethane coating has high strength characteristics. As a result, such compositions have excellent resistance to abrasion, as well as to various environmental influences. Keep in mind that in the presence of different qualitative characteristics, these modern compositions have a high cost. Leading manufacturer give it paints a lot of attention. As a rule, one of several types of polyurethane varnish to perform specialized tasks by virtue of the special features of a variety of lacquer. Here Also included are the so-called boat (Yacht) coatings. They provide the best protection against the harmful effects of air and have high resistance to sunlight. So they better than other formulations may resist temperature extremes (-50 to 130 degrees) and rain. Apply such coatings for exterior finishing work is quite natural. But hardly they are so necessary for living quarters. Environmental and financial criteria of these coatings make a hundred times to think before using these compounds in homes.
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