PU 40 Gasket Maker Sealant 100% Acetic Silicone Sealant High Temperature RTV Silicone Grey. Excellent Bonding Performance: One-component moisture curable sealant with high strength and no bubbles. Wide Application Scope: Suitable for automotive, construction, marine, and railway industries. Fast Curing Speed: 40-minute drive-away time with activator and primer. Environmental Friendly: Non-corrosive, pollution-free, and safe for substrates. High Durability: Features good aging resistance and high elongation at break. Customization Options: Supports color and weight customization for specific needs. Quality Certifications: Passed ISO, SGS, CNAS, CE, and FMVSS212 standards. Premium Raw Materials: Ingredients sourced from world-famous brands like Dow and Wacker.