+4 Fevicol 1K PUR is a single-component, moisture-curing polyurethane adhesive designed for high-strength, waterproof exterior and interior wood joinery.Key Features & SpecificationsType: Single-component, 100% polyurethane, ready-to-use liquid.Setting Time: Achieves initial handling strength in about 30 minutes.Water Resistance: Conforms to DIN EN 204/D4 standards for superior water and weather resistance.Gap Filling: Curing process involves slight foaming, allowing it to fill gaps and irregularities in substrates.