PUR hotmelt adhesive (polyurethane reactive hotmelt) is a moisture‑curing adhesive that combines the fast setting speed of traditional hotmelts with the long‑term strength and durability of polyurethane. It is applied in a molten state, allowing for immediate handling strength, and then reacts with ambient moisture to form a permanent, highly resistant bond. PUR hotmelt adhesives are widely used in industries such as woodworking, furniture manufacturing, bookbinding, automotive assembly, and product packaging because they provide excellent adhesion to a wide range of materials, including wood, plastics, metals, textiles, and composites, while offering superior heat resistance, flexibility, and chemical durability compared to standard hotmelt adhesives.