Metal siding, is a composite material, mainly composed of three parts, the surface was facing the metal plate, the intermediate layer is a layer of polyurethane foam insulation, the bottom surface of the protective layer is an aluminum foil. Metal siding cost is relatively high, more complex installation requirements. PVC siding PVC siding wall panels, it is kind of hard PVC plastic material as the main body for external walls of buildings; play a cover, protective and decorative role. PVC siding can also be recycled, energy-intensive manufacturing process relatively low cement and tile, is conducive to environmental protection, green building materials. PVC siding installation fast and simple construction, can be combined with various structures of the wall; all dry-construction largely unaffected by seasonal effects; use of the process is easy to clean (can spray wash) 2, polyester paint. It is a thick quality paint with polyester resin as the main film was made. Polyester paint the paint film, the thickness of the hard surface. Polyester paint varnish also has varieties, called polyester varnish. Polyester paint construction process needs to be cured, the weight of these curing agents accounted for one-third of the paint of the total weight. These curing agents are also known as hardening agent, the main ingredient is TDI (toluene diisocyanate / toluene diisocyanate). These are in the free state of TDI will turn yellow, yellow wall paint not only furniture board node will also make the adjacent walls yellow, which is a major drawback of polyester paint. The market has appeared resistant to yellowing polyester paint, but they were only "anti-yellowing" and it can not be completely prevent yellowing. In addition, beyond the standard free TDI will cause harm to humans. Free TDI on the human body is mainly sensitization and stimulation wall plate specifications, including pain caused tearing, conjunctival congestion, cough, chest tightness, shortness of breath, asthma, red pimples, rash, contact dermatitis and other allergic symptoms. International standards for free TDI limit is 0.5% or less. 3, polyurethane paint. Polyurethane paint polyurethane paint that polyurethane paint. It is a tough film, gloss plump, strong adhesion wall plate keel, water-resistant, corrosion resistance. Are widely used in advanced wood furniture, metal surfaces can also be used. Its main drawback encountered tide blistering, chalking paint and other issues, with polyester paint, as it also exists the problem of yellowing. Polyurethane paint varnish polyurethane varnish called varieties. Wall plate size, the hotel wall panels (certified), wall panels Ltd. provided by Nanjing Jubilee furniture. Nanjing Spring Thunder Furniture Co., Ltd. (www.njclyy.com) is Nanjing, the table leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the Jubilee chair industry leadership with the staff warmly welcome all inquiries negotiations to create Jubilee chair industry a better future.