Surface finishing of foam plastic
DATE：2021/10/27 8:31:59 / READ： / SOURCE：This station
Surface finishing of foam plastic
The surface coating of foam plastic is to apply a solution of synthetic (or natural) resin (called paint or lacquer) on the surface of the foam plastic to form a coating, thereby protecting the part or improving the performance of the part and increasing its appearance.For the foam plastic parts used in daily use or engineering, the function of the coating is
① Prevent sticky surface and improve hand feeling;
② Cover up small defects such as weld lines on the surface of the product;
③Control the gloss of the surface of the product;
④Form a smooth surface to improve printing performance;
⑤Isolate plastics from heat, light, oxygen, water, moisture, gas, salt spray and corrosive liquids, and increase anti-ultraviolet, anti-radiation, anti-static, chemical resistance and weather resistance;
⑥ Reduce the surface friction coefficient, increase wear resistance and fire resistance.
Almost all thermoplastics can make foamed plastic products, plus thermosetting plastics and some enhanced and modified foamed plastics, the variety is endless. According to different foaming methods, foaming control process parameters, product design and other factors, the surface quality of various foamed plastic products is also different. Therefore, whether to apply surface coating to the product, it is necessary to comprehensively consider the appearance and surface stability requirements of the product, as well as the cost.
Author：admin