ORIGINAL FORMULA - The Original formulation which has been on the market for 20+ years, A versatile Multi-Surface Construction Sealant & Adhesive: Perfect for bonding and sealing felt, copper, aluminium, mirrors, wood, plastic, steel, glass, tile, and more. DURABILITY - Durable in Extreme Conditions: Maintains a strong bond from -40°C to +120°C, ideal for harsh weather and refrigerated environments. Compatible with most paints; test area when using synthetic or oil-based paints. FOOD SAFE & UNDERWATER - Can be applied underwater thanks to its hybrid polymer formulation - acts as a structural underwater bond in closed-face applications in swimming pools such as floor and wall tiles without the need to drain the pool, ISEGA approved, therefore suitable for use in food preparation areas (once fully cured) ODOURLESS - Eco-Friendly & Odourless: Safe for residential, domestic, and industrial use. Contains no solvents or isocyanates, earning an A+ air quality rating. CONTENTS - 1 x OB1 Multi-Surface Construction Sealant & Adhesive, Colour: Anthracite, Weight: 1.12876678144 pounds, Manufacturer: Siroflex Lte