2022-2-21 11:34| 发布者: steelfu4mo| 查看: 1551| 评论: 0 |原作者: 佛山万庆物资
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彩色涂层钢板(彩板)的产生,最早可以追溯到1927年在美国的涂层薄板生产。但是,真正可以作为第一条具有现代涂层生产线雏形的连续彩色涂层钢板生产线是1936年在美国建立的。至21世纪初,全世界已经有20多个国家进行彩钢板的生产,拥有500余条彩板生产线,能生产1000多个花色品种的产品,有200多种用途,年产量已超过1500万吨,平均年增长率达到10%以上。彩板之所以能得到快速的发展,除了产品本身具有的优良性能之外,还由于生产涂层钢板带来了明显的社会效益。彩钢板是以冷轧钢板和镀锌钢板等为基板,经过表面预处理(脱脂、清洗、化学转化处理),以连续的方法涂上涂料(辊涂法),经过烘烤和冷却而制成的产品。涂层钢板具有轻质、美观和良好的防腐蚀性能,又可直接加工,已经在家电行业得到很大的应用和发展。vcm彩钢板正面一般选用高分子线性无油聚酯树脂系涂料,添加特殊设计的氨基树脂及催化剂,以获得足够的弯曲性和固化性;并能获得良好的耐洗涤性,耐污染性及较高的铅笔硬度.背面采用改性环氧背漆,一方面能获得良好的耐腐蚀性,另外也可以获得优异的发泡附着力。
The production of color-coated steel plates (color plates) dates back to the coated sheet production in the United States in 1927.But the first continuous color-coated steel production line with the prototype of a modern coating production line was established in the United States in 1936.By the beginning of the 21st century, more than 20 countries in the world have conducted color steel plate production, with more than 500 color plate production lines, can produce more than 1,000 varieties of color products, with more than 200 uses, the annual output has exceeded 15 million tons, the average annual growth rate has reached more than 10%.The reason why the color plate can be rapidly developed is that, in addition to the excellent performance of the product itself, but also due to the production of coated steel plate has brought obvious social benefits.Color steel plate is made of cold-rolled steel plate and galvanized steel plate as the substrate, after surface pretreatment (skim, cleaning, chemical transformation treatment), with a continuous method of coating (roll coating method), after baking and cooling products.Coated steel plate has light, beautiful and good corrosion resistance performance, and can be directly processed, has been greatly used and developed in the home appliance industry.The vcm color steel plate front generally adopts polymer linear oil-free polyester resin coating with special design ammonia resin and catalyst to obtain sufficient bending and curing, and good washing resistance, contamination resistance and high pencil hardness. The back has a modified epoxy back paint, which provides good corrosion resistance and excellent foaming adhesion.