The products in the ThreeBond 5200 series are silicone sealants that have excellent adhesion, durability, and weather resistance. They are used in the construction of public facilities such as bridges or buildings. They are stable when exposed to sunlight, ozone, water, or changing temperature, and they remain elastic for a long time with no change in color or degradation in quality. Provided in a variety of colors, they assist in the sophisticated finish of buildings and other facilities.