Development of powder coatings for aluminum building materials The trend of powder coatings is completely solvent-free, and can be converted into coating films. Its advantages include high coating efficiency, good protection and decorative overall performance, etc. It has received extensive attention from around the world, resulting in rapid development. Metal construction materials are widely used in various aspects of buildings because of their excellent durability, decorative and formability. The aluminum building materials account for more than 80% of the metal building materials due to their excellent processing properties and light weight. Since the powder coatings were introduced in the early 1970s, their use in aluminum building materials has grown rapidly. At present, the application of powder coatings in aluminum building materials has expanded from Europe to the Americas, Australia, the Far East, the Middle East and Africa. In the coating of aluminum building materials, representative types of powder coatings include epoxy resins, polyester resins, acrylic resins, and silicone resin powder coatings. As an application, such as aluminum frames, doors and windows, balconies, corridors, partitions and other high-corrosion aluminum building materials, most of the polyester, acrylic powder coating. In addition, since the epoxy resin powder coating has excellent adhesion and corrosion resistance, it is slightly inferior in weatherability, so it is generally used indoors or as a primer. More recently, a thermosetting fluororesin powder coating that can be applied using a general powder coating line has been developed. The thermosetting fluororesin powder coating has better weather resistance, gloss retention and durability than epoxy powder coating, polyester resin powder coating, and acrylic resin powder coating, and can even be comparable to solvent-based fluororesin coating.
Push Button Hand Shower
The utility model discloses a Kitchen Shower head that is convenient to switch the water outlet mode, has a compact structure, and is easy to use, and a kitchen faucet using the kitchen shower head. , The shower head is provided with a water separator, and the water separator is provided with an annular flow channel and an inner flow channel respectively connected to the spray water outlet body and the V-shaped water outlet body, and the lower end of the outer wall of the water separator is upwardly circular A plurality of water inlet holes connected to the annular flow channel are provided, and a first sealing ring is provided on the lower side of the water inlet hole; the water outlet end of the shower body is connected with a converter, and the converter is provided with a communicating In the water diversion cavity at the water outlet end of the shower body, the lower end of the water diversion device is installed in the water diversion cavity and can move up and down, and the upper end of the inner wall of the water diversion cavity is provided with a convex ring matching the first sealing ring, so The bottom surface of the water diversion cavity is provided with a sealing gasket that can seal the inner flow channel.
Waterfall Shower Head,Overhead Shower Head,Push Button Hand Shower,Brushed Nickel Sink Faucet
Yuyao Zelin Sanitary Ware Co., Ltd , https://www.kitchen-sinkfaucets.com