Steel coating technical knowledge in the use of the sprayer when the iron and steel shelves spraying is essential, Qishi spray manufacturer, then you know the technical knowledge in this regard it? Experts tell you for sure steel surface Polished rust treatment, but we must also remember the polished steel of the best first paint coating can be completed within four hours. 1: the need for more attention to that, we must first of polished steel surface rust treatment, under normal circumstances, in addition to such as rust, scale and other debris. Of course, we must pay more attention to quality control of surface treatment should reach Sa2.5 grade GB8923 provisions "steel surface before painting Rust grades and grade" standards, and the surface roughness 35-75um, after grinding sand Dust divisible. 2: Basically, steel polished best to complete the first paint coating within 4 hours. Very often, during use, we also need to focus on the use of inorganic phosphate ET-98 long-type zinc-rich paint as a primer, in most cases, it is oil, rust can be, do not grinding machine, but with wire brush, sandpaper or steel grinder. 3: If we encounter welded components, then, I suggest that you can not paint in 72 hours after the welding of the candle. 4: Normally, we can use the best of the zinc coating swipe grade polished Removal ash layer as well as its oil and other impurities, of course, in the latter part of the course, Dasan spray manufacturers, we also need to pay attention Its 70-H brushing anticorrosive epoxy iron red paint. Automatic spraying equipment features: 1, versatility, applicability, professional spray targeted, high yield, can achieve high-quality, high efficiency spray; 2, spray manufacturers, all-digital computer operations, data storage memory bridgehead spray manufacturers, arguments can be personalized graphics display interface; 3, spraying debugging is not simple, generally within 15 minutes to complete the commissioning and artifacts as part programming based on one surface a whole, in order to avoid Listing the past cumbersome procedures; 4, with the workpiece rotation jig or chain conveyors, to achieve high efficiency and quality. Spray sand Hong Hardware Appliance manufacturers _ _ Hengli spray coating manufacturers to provide the Dongguan City, Sha Hong Hardware Electric Co. Spray sand Hong Hardware Appliance manufacturers _ _ Hengli spray coating factory in Dongguan City, Sha Hong Hardware Appliance Co., Ltd. (www.dgshahong.com) this year introduced a new upgrade, the above picture is for reference only, please call this page or image on the telephone, to obtain the latest information, contact: Mr. Sha.