2013年12月30日星期一

What is copper corrosion inhibitor?


Copper corrosion inhibitor can be adsorbed to form a thin film on the surface of metal, copper and other metals from corrosion protection of the atmosphere and harmful medium. Copper corrosioninhibitor BTA in circulating cooling water system with a variety of scale inhibitor, biocide used in conjunction, circulating cooling water system of good corrosion inhibition. It also can be used as anti tarnish agent, coolant, lubricant additive copper silver.
Generally, there are two kinds of copper corrosion inhibitors: one is Benzotriazole (BTA), the other is Tolyltriazole(TTA).
In China, there are four shape of Benzotriazole: granular, flake, needle and powdery. And in foreign, most are particles and flakes. United States production Benzotriazole is mostly granular. However, granular, hard to dissolve, triazole-need p-parallel domestic manufacturers often need to use solvent after the dissolution of placed inside the product. In recent years, more and more manufacturers use Germany producing Benzotriazole, Germany p-triazole-parallel export in accordance with EU REACH and needles, water and oil soluble. Either directly can also be dissolved in the solvent dissolve in water, and very easy to use. Benzotriazole can be used as rust preventive oil (grease) products, copper and its alloys, silver and copper alloy corrosion effect is particularly evident, usually used in vapor corrosion inhibitor for copper and copper alloys, circulating water treatment chemicals, automobile antifreeze, photographic antifogging agent, macromolecule stabilizer, plant growth regulator, lubricating oil additives. And Benzotriazole can also be used as chrome fog contain agents for chromium plating industry, prevent chrome fog and damage. It can increase the brightness of coated parts.
The abbreviation of Tolyltriazole is TTA. The chemical formula of it is C7H7N3. And the molecular weight of it is 133.15. It is of white granular or powder, can be processed into a large form, small particles,-like, fine particle-like, powder.
Tolyltriazole is mainly used for metals (such as silver, copper, lead, nickel, zinc, etc) and inhibition agent of antirust, widely used in antirust oil (grease) product, usually used in vapor corrosion inhibitor for copper and copper alloys, lubricant additive, water treatment agents, automobile antifreeze. This product is also available with a variety of scale inhibitor, algicide sterilization is used especially for closed-loop cooling system corrosion inhibitor effectiveness well.

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