310ml Aluminium Tube Black PU Auto Glass Sealant Adhesives Waterproof PU Sealant for Auto Windshield. High Bonding Strength: Excellent adhesion to various substrates including aluminum, marble, and automotive glass. Paintable Surface: Cured sealant surface can be painted without affecting adhesion or appearance. No Bubbles During Cure: Curing process produces no bubbles, ensuring a smooth and professional finish. Fast Initial Curing: Forms a skin quickly with 2-4mm curing depth within 24 hours at room temperature. Versatile Applications: Ideal for automobiles, ships, elevators, curtain walls, and building interior decoration. ISO Certified Quality: Manufactured under ISO9001 and IATF 16949/2009 standards for reliability.