It is also excellent as a secondary coating to the stainless steel as chemicals and detergents generally do not affect the finish. PVD coated stainless steel is excellent for both indoor and outdoor use as it maintains the color over many years, and will not change color when exposed to UV, if it's done correctly. The point is your elevator, sky scraper, or corner guards will be the desired color, and not some random shade that would leave you with a tarnished reputation. Fortunately, you can spec our Gun Metal, Rose Gold, or Copper colors, to name a few, and expect to receive the same color now or in the future. However, the PVD process also has to be carried out correctly in order to achieve this level of uniformity. None of the dipping processes can guarantee that and it's something to ask about when you're sourcing. Unlike LIC (light interference coloring) and electroplating, PVD can actually be specified from project to project without having to worry about colors changing or whether the color will change from sheet to sheet. We understand you have other issues to think about than a subpar product, and the last thing we want is a call about a failed installation. If something changes, you'll be the first to know as we use Double Stone PVD in our own projects and/or products. The PVD market leader today is Double Stone Steel and we're glad to be able to offer the product in North America. At that point, it's far too late to be looking for the right solution. You will not be able to tell the difference between a low quality PVD product or a high quality PVD product until it's been installed in the field. It's very difficult to do correctly and experience is a must. This is an extremely basic explanation of PVD. It is achieved by placing the product in a vacuum chamber and heating a proprietary blends of metals and compounds causing them to vaporize and pulling them across the chamber with magnets to create a uniform and ultra-tough coating on the product being coated. There are many methods for coloring metals, but the process for coloring stainless steel known as PVD - Physical Vapor Deposition is by far the toughest and longest lasting available today if done correctly.
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