28

LW-28 Pre-passivation Agent is a remarkable and innovative chemical product, presented as an acidic colorless transparent liquid. In the context of Aluminum Die Casting, this pre-passivation agent can play a crucial preparatory role. When dealing with products made from Aluminum Casting Alloys and Die Casting Alloys Aluminum, ensuring the proper surface treatment is essential for their overall quality and performance.

As a pre-passivation agent, LW-28 optimizes the surface chemical state of the aluminum alloy. This optimized state forms the fundamental interface chemical foundation for the subsequent passivation process. By doing so, it enables the generation of a dense and uniform chemical conversion film during the passivation process. A dense film is highly effective in blocking external corrosive substances from reaching the aluminum substrate, significantly enhancing the overall corrosion resistance of the product. The uniformity of the film ensures consistent performance across the entire surface of the aluminum alloy, which is of great importance for both decorative and functional applications.

In the realm of die casting, LW-28 can also be considered as a kind of Die Cast Agent in terms of its role in surface treatment. It effectively improves several key properties of the passivation layer on the aluminum alloy surface. The adhesion of the passivation layer is notably enhanced, meaning that the passivation layer adheres more securely to the aluminum alloy, reducing the likelihood of delamination over time. The enhanced corrosion resistance offers long-term protection to the aluminum alloy, making it suitable for use in various harsh environments. From a decorative perspective, the uniform chemical conversion film produced as a result of using LW-28 contributes to a more aesthetically pleasing and consistent surface finish. This makes it meet the high-end decorative requirements in diverse industries such as architecture, automotive, and electronics, where products made from Aluminum Casting Alloys and Die Casting Alloys Aluminum are commonly used. Overall, LW-28 Pre-passivation Agent, with its unique properties and functions, is a valuable asset in the processes related to Aluminum Die Casting and the treatment of aluminum alloys, fulfilling the roles of a pre-passivation agent and a Die Cast Agent.