Marine Weld, 25 ml, Marine Weld Epoxy Adhesive Syringe, Specially Formulated 2 Part Cold Weld System, Provides For Strong, Lasting Repairs For Bonding Different Or Similar Surfaces, Such As Aluminum, Metal, Composites, Fiberglass & Others, Marine Weld Sets In 4-6 Hours At Room Temperature & Is Fully Cured To A Dark Gray Color In 15-24 Hours, Once Cured It Can Be Shaped, Tapped, Filed, Sanded & Drilled & Will Retain Its Strength Above Or Below The Waters Surface.