In the woodworking furniture industry, urea-based adhesives (such as urea-formaldehyde resins) have long been the traditional materials, primarily used for plywood, veneering, internal structural bonding, assembly, and repairs. However, with increasing environmental and health awareness, PUR (Polyurethane Reactive Hot Melt Adhesive) has gradually emerged as an eco-friendly alternative.

5 Applications of Formaldehyde-Containing Glues:

1. Bonding for plywood and particleboard: used for pressing wood fibers or chips to produce large panels like plywood and MDF.
2. Veneering (surface lamination): used to bond wood veneer to substrates, achieving smooth, natural wood grain surfaces.
3. Internal structural connections: used for adhering partitions, bottoms, linings, and other internal components.
4. Furniture assembly: used to bond various furniture parts, enhancing overall stability.
5. Repairs and reinforcement: used for fixing surface cracks or localized strengthening of furniture.

1. Veneering and surface decoration: PUR offers excellent bonding strength and superb surface finish, ensuring wood veneer and decorative paper adhere smoothly, showcasing natural wood grain textures. Additionally, PUR is environmentally friendly—odorless and low in VOC emissions—meeting modern green building standards, suitable for prolonged human contact.
2. Internal structural bonding: PUR’s high flexibility and superb water resistance ensure a durable bond, maintaining stability even in humid or deformed environments. These features support the long-term use of furniture and improve durability, reducing maintenance and replacement needs.
3.  Furniture assembly: PUR hot melt adhesives provide quick curing and ease of use, significantly improving production efficiency. Ideal for high-volume, industrial manufacturing, they can be melted with heat for rapid bonding, and maintain consistent performance over multiple operations—helping companies enhance both quality and output.

PUR hot melt adhesives demonstrate substantial potential in the modern woodworking furniture sector, particularly owing to their environmental benefits and long-term durability. They have effectively replaced traditional formaldehyde-based glues in veneering, internal bonding, and some assembly processes. As technology advances and equipment costs decrease, the application scope of PUR hot melt adhesives is expected to expand further, driving the furniture industry toward more environmentally friendly and higher-quality products.


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