Maintenance of the medical titanium bar surface is usually not too complicated. In general, surfaces that do not need to be cleaned for corrosion protection are similar to stainless steel: at the same time, titanium rods, when used as condensing tubes, do not react with media such as cooling water, and wood transforms the thin surface oxide film into a coarser mineral precipitate, unlike copper.
The surface of the heat exchange tube is often contaminated with Marine life, which is often controlled by electrolysis of seawater to release chlorine gas. This approach will not have any negative impact on Chin. The titanium rod condensing tube surface can be kept clean using this method, or it can be continuously cleaned using a rubber ball to nylon brush, again without any adverse consequences.
Pickling is sometimes used to remove sediment from the titanium rods. Conventional pickling processes are performed by the addition of appropriate corrosion inhibitors. Some inhibitors, such as amines, are not effective against titanium rods. Iron ions such as ferric chloride are good corrosion inhibitors for titanium rods in acid solutions. For example, a chlorination of 0.1%(mass fraction) can inhibit the corrosion of titanium rods in hydrochloric acid. FeCL3 was used as corrosion inhibitor in 25%HCL under channal temperature.
Nitric acid is an excellent passivator for titanium rods. It can be used alone or in combination with hydrochloric acid to clean the surface of titanium bars.
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Link to this article：Clean and maintain the surface of medical titanium bars
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