how to choice and mantain wooden doors
Paint processing plant as a wooden post set technology, its advantages and disadvantages of the use of a direct impact on the final results. Cost is the cost of the paint while the largest part of the wooden one.
Roughly divided into the type of paint phenolic paint, alkyd, polyurethane paint, lacquer, polyester and PU paint. which phenolic alkyd paint and texture of the film and the adhesion is poor, basically out in the decoration of the extensive use of the lacquer, polyester and PU for use on high-end furniture, paint.
Nitrocellulose as the construction is relatively simple, suitable for manual operation, done by most hand-decorated with wood, but the film is thin, feel good, not ideal. Polyester paint coating relatively thick, but diluent containing radon gas in the evaporation time, and the film hardness slightly weaker. Ideally, PU coating, PU coating with polyester paint in the film not only heavy, strong adhesion and good benefits of transparent layers, while its moisture sealing are made of wood has a very important role, PU paint hardness, durability, resistance to yellowing and environmental protection is unmatched by other paint.
Due to cost (lacquer 8-15 yuan / kg, polyester 18-28 yuan / kg, PU paint 43–65 yuan / kg), processing means and equipment, at present 90% of the packages on the market doors with polyester paint, a few manufacturers to adopt PU paint. In general, polyester and PU paint color to go through to find the three sides so the end of six processes, some brands and increase the curing process applied wax.
Therefore, the choice of wooden doors, the paint is one of the factors must be considered, which directly affects the texture, feel, moisture, environmental protection, durable, resistant to yellowing and other issues.
Why wooden doors easily deformed
Doors due to the use of wood processing, while surface area, and a fixed point, therefore, I is the most prone to deformation and cracking one of the decorative wood to do. the deformation of the wooden doors lead directly to housing insulation, airtight, and handsome, understanding the deformation of the wooden doors because the former has become particularly important decorative decorative knowledge.
Natural wood in the growth process a variety of factors, resulting in uneven wood density (sunny side, the ring of density, core material and sapwood), when the timber was changed after the stress away with the balance of wood deformation and cracking.
High moisture content of wood is the main reason leading to another door deformation, with the use of the process reduces the moisture content of wood will slowly reveal the internal stress, leading to deformation and cracking.
Primary means of preventing the deformation of wood is the use of machinery and techniques to change the stress of wood, and moisture content, internal stress change the most effective and commonly used method is the pine or fir (two smaller internal stress of wood) to finger . changes in moisture content of wood is a secondary drying (natural drying and then the steam drying). Doors in the process of production is good or bad, such as the press pressure, temperature and equilibrium level, glue and other factors will directly affect whether the doors in the course of deformation and cracking.