List of featured suppliers of SEALANTS Mastic: by Composition: Polyurethane on Building Products Index
Sealants or mastics made with polyurethane composition are materials used for sealing joints and gaps between various surfaces to prevent the entry of moisture, air, dust, or other substances. They are flexible, durable, and have good adhesion properties, making them ideal for use in construction, automotive, and other industries. Polyurethane sealants or mastics are formulated by mixing polyol and isocyanate, which react and form a strong bond when applied to a surface. They can be used on a variety of materials, including concrete, wood, metal, and plastic, and are resistant to weathering, UV radiation, and chemicals.
