Common knowledge of coating: control of shrinkage in powder coating

Core tip: powder coating is a new technology in the rapid development of surface engineering It not only has the function of protection and decoration, but also has the special functions of insulation, conductivity, anti-static, temperature indication, invisibility, etc Therefore, this technology reflects a country's industrialization degree, development of science and technology, people's living standard, national defense force and other comprehensive factors, and it is playing an increasingly prominent role in the development of national economy Powder coating, with its solid content of 100%, has no VOC emission in production and construction, thus preventing public hazards Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Coating home news: powder coating is a new technology in the rapid development of surface engineering It not only has the function of protection and decoration, but also has the special functions of insulation, conductivity, anti-static, temperature indication, invisibility, etc Therefore, this technology reflects a country's industrialization degree, development of science and technology, people's living standard, national defense force and other comprehensive factors, and it is playing an increasingly prominent role in the development of national economy Powder coating, with its solid content of 100%, has no VOC emission in production and construction, which prevents the generation of public hazards and is conducive to environmental protection At the same time, the utilization rate is as high as 90% ~ 95% The coating cycle is short and the production efficiency is high It is widely used in home appliances, machinery, electronics, architecture, chemical industry, aerospace, mining metallurgy and other fields Since the 1980s, a large number of researches and applications have been carried out in China After a certain period of exploration and application, and continuous improvement and innovation, a relatively complete technical system and management system have been preliminarily formed Based on the author's working experience in the past few years, the formation process of one of the defects (shrinkage cavity) in powder coating and how to control it are summarized briefly for the readers Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,