>>> Common Problems and Treatments of Wood Coatings
1. Classification and Characteristics of Waterborne Wood Coatings
Waterborne wood lacquers are paints that use water as a diluent. Waterborne wood lacquer can generally be divided into three categories. One is waterborne wood lacquer with acrylic acid as the main component. Its main feature is good adhesion, it will not deepen the color of the wood, but its wear resistance and chemical resistance are poor. Due to its low technological content and low cost, it has become the main product on the market. The second category is water-based wood lacquer that uses acrylic and polyurethane as the main components. In addition to the characteristics of acrylic paints, it also adds polyurethane wear resistance and chemical resistance. The third category is 100% polyurethane water-based paint, its wear resistance even reached several times that of oil paint, water-based paint in advanced products, but the technology is only for a few professional companies to master.
Understand the classification of waterborne wood lacquer, consumers can choose according to their own needs, such as the need to brush doors and windows, furniture and other places where wear resistance is not high, just choose the first or second type of water-based paint that is Yes, if applying wood floors, the third type of water-based paint is best.
Although the types are clear, it is not easy to distinguish waterborne wood lacquers on the market. Because manufacturers are not unified in the name and composition of water-based wood paint, it is easy for consumers to confuse. For example, water-based wood lacquer with acrylic acid as the main ingredient has two standard methods of acrylic acid and acrylate. What is more, the water-based lacquer, which is based on a composition of acrylic and polyurethane, is marked as a water-based polyester lacquer. Consumers are best able to judge by visual inspection and nose smell: Acrylic acid is a milky white liquid with a slightly sour taste. Polyurethane is a translucent liquid like egg white, with a hint of oily aroma. Of course, the most promising solution is to purchase products made by professional waterborne wood paint manufacturers.
2, the advantages and disadvantages of waterborne wood paint
A, water-soluble paint, non-toxic environmental protection, does not contain harmful solvents such as benzene, free of free TDI.
B. The construction is simple and convenient, and it is not easy to have common problems such as bubbles, granules and other oil paints, and the paint film has a good feel.
C. The solid content is high and the paint film is full and tough.
D, no yellowing, excellent water resistance, no burning.
E, rust, high temperature.
F. Simultaneous construction with other paints such as latex paint
G. Some water-based paints have low hardness and are prone to scratches. This should be done with special care.
In general, except for slightly higher prices, water-based paint is a good choice both in terms of construction and environmental protection.
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Sub-controller of LED applying system. The DMX-S8 receives the pixel data frame sent by the RTP-S1500 Main Controller. According to the address set by itself, the corresponding data in the pixel frame is taken out. After the format is adjusted, the data is sent out from the controlling port at a specific timing sequence to control the LED light to change color. Set up 2 RJ45 network interfaces; When using unshielded Twisted Pair, the distance of transmission from the main controller to the sub-controller and sub-controller to sub-controller is more than 100 meters; Connect to the switch for network to extend the distance of transmission; Single controller can connect up to 16 computer; Automatically identify its position in the system; Set up 8 DMX512 controlling ports with auto-addressing function. The number of single-port controlling pixels is 170 full-color pixels, 512 monochrome pixels, and the type of connector is the pluggable terminal; Each port conduct optical isolation protecting to ensure the stability of the entire controlling system;
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