The report is the most up-to-date assessment of that population and produced a lower population percentage than the 10 percent number that advocacy groups have used in the past, which was based on Alfred Kinsey studies from 1948.
Quick Answer. Typically, a coat of polyurethane dries within 24 hours. For example, if polyurethane is applied to hard wood flooring, it is okay for a person to walk on the floor at the 24-hour mark. Continue Reading.
Silicone sealant does not dry. The process here is a polymerization of the silicone with moisture in the air to form a new semi flexible compound. At 45 degrees, the air is devoid of most moisture, so it will take a much longer time for polymerization to take place.bviously this depends on the thickness of sealant ! If the layer is only 4 or 5 mm. it will 'dry in about 20- 30 Min's. but not fully 'cure' for about 72 hours.