the process of preparing galvanized passivation solution
Sep 06, 2023
The process of preparing galvanized passivation solution is an essential step in the production of high-quality, durable zinc-coated materials. This process involves combining various chemicals in precise amounts to create a solution that effectively protects the zinc coating from corrosion and improves its overall performance.
The first step in preparing the galvanized passivation solution is to select the appropriate chemicals. The most commonly used chemicals include sodium dichromate, nitric acid, and water. These chemicals are carefully measured and then mixed in a predetermined ratio to create a solution that is effective at protecting the zinc coating.
The mixing process involves adding the chemicals in a specific order to a container filled with water. Once all the chemicals have been added, the solution is carefully stirred to ensure that all the chemicals are thoroughly mixed. The resulting solution is then stored in a sealed container until it is ready to be used.
During the galvanized passivation process, the solution is applied to the zinc-coated surface using a spray gun or other application method. The solution is then allowed to sit for a specified period to allow it to fully permeate the zinc coating. Once the solution has been allowed to sit, the surface is rinsed with clean water to remove any residual chemicals.
In conclusion, the process of preparing galvanized passivation solution is a critical component of the production of high-quality zinc-coated materials. By carefully selecting the appropriate chemicals and following the correct mixing and application process, manufacturers can produce durable, corrosion-resistant materials that will last for years to come.






