{"id":23952,"date":"2022-06-09T12:10:18","date_gmt":"2022-06-09T12:10:18","guid":{"rendered":"https:\/\/lacover.ua\/?p=23952"},"modified":"2022-06-10T10:35:48","modified_gmt":"2022-06-10T10:35:48","slug":"how-to-remove-rust-from-metal-before-painting","status":"publish","type":"post","link":"https:\/\/lacover.ua\/en\/how-to-remove-rust-from-metal-before-painting\/","title":{"rendered":"How to remove rust from metal before painting?"},"content":{"rendered":"\n

The fact that the powder coating will forgive everything, it can cover oxide, oil, dirt \u2015 huge mistake. The paint will definitely peel off and will have to be repainted. And this time you will have to clean everything properly. <\/p>\n\n\n\n

Let’s start figuring out how to do it.<\/p>\n\n\n\n

\"\"<\/a>
Photo by Marie P on Unsplash<\/figcaption><\/figure>\n\n\n\n

Rust removal<\/h2>\n\n\n\n

There are many ways. Every is suitable for different needs.<\/p>\n\n\n\n

Sandpaper<\/h3>\n\n\n\n

A good one, if the products are small, they are few. Or you need to clean a small area. As easy to use are grinders, electric brushes, needle cutters. But they require a lot of time and effort.<\/p>\n\n\n\n

Cleaning by sand<\/h3>\n\n\n\n

Requires a separate room. Suitable for large, heavy structures. Much more efficient than sandpaper in terms of time and effort. Sometimes, instead of sand, cleaning is made by metal pellets. It is important that the fine abrasive particles are approx of the same size. Then the surface will be homogeneous after processing.<\/p>\n\n\n\n

Damage to the surface will cause a risk of corrosion, and the powder will stick to it worse. This method sometimes is combined with thermal degreasing. Lubricants are also harmful for powder coating. Before cleaning the product is heated to 400\u00b0C, so the lubricant evaporates.<\/p>\n\n\n\n

Acid cleaning<\/h3>\n\n\n\n

Ferrous metals are etched with acids, aluminum and its alloys \u2015 with alkalis. Treated in special tubs, less often with a jet of solution. Sulfuric, hydrochloric, phosphoric, nitric acids are used for this. The iron in the tub must be kept up to 30 minutes at a temperature of 20 – 60\u00b0C. Then it is washed with water and dried. Such cleaning is quite expensive \u2015 you need special equipment, constantly buy solutions, filter wastewater.<\/p>\n\n\n\n

Recommendations<\/h2>\n\n\n\n

Prepare the surface \u2015 this way the powder coating will last longer. Epoxy paint as a primer will add protection. You can find it on our website<\/a>.
Remember that making the right choice saves from many problems. Call by phone +38 (044) 596 06 12, (067) 536 53 64 and get all the necessary advice.<\/p>\n\n\n\n

Read next: Epoxy powder coating as a primer<\/a>. <\/p>\n","protected":false},"excerpt":{"rendered":"

The fact that the powder coating will forgive everything, it can cover oxide, oil, dirt \u2015 huge mistake. The paint will definitely peel off and will have to be repainted. And this time you will have to clean everything properly. Let’s start figuring out how to do it. Rust removal There are many ways. Every…<\/p>\n","protected":false},"author":2,"featured_media":23948,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"post_series":[],"class_list":["post-23952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles-en","entry","has-media"],"yoast_head":"\nHow to remove rust from metal before painting? | Lacover<\/title>\n<meta name=\"description\" content=\"Lacover: How to remove rust from metal before painting? and other useful articles on our website. 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