Supex 488 Weatherproofing Sealant is a premium quality, one-component sealant designed to provide excellent weather resistance and durability. This sealant is available in three colors: white, black, and grey, and is ideal for use in sealing joints, seams, and gaps in various construction applications. The Supex 488 Weatherproofing Sealant is a high-performance sealant with excellent adhesion properties, which allows it to bond to a wide range of surfaces, including concrete, masonry, aluminum, wood, and many other common building materials. It has a specific gravity of approximately 1.36 g/cm³, which indicates its density and provides a measure of the amount of sealant that can be applied to a surface. This sealant has a Shore A hardness of 40-50, which means that it is flexible and can withstand moderate movement without cracking or splitting. It has a tensile strength of 1.8 MPa, which indicates its resistance to pulling forces, making it suitable for use in high-stress areas. The Supex 488 Weatherproofing Sealant is designed to withstand a wide range of weather conditions, including extreme temperatures, rain, and UV radiation. It has a temperature range of -40°C to +90°C and can be applied in both hot and cold environments. This sealant is a non-sagging paste, which means that it can be easily applied using a caulking gun, and it will not run or drip during application. It has a skin-over time of approximately 20 minutes and a cure time of 24-48 hours, depending on temperature and humidity conditions. The Supex 488 Weatherproofing Sealant is a high-quality sealant that provides excellent adhesion, flexibility, and weather resistance. Its versatility and durability make it suitable for use in a wide range of construction applications, including roofing, siding, windows, and doors.
