Chromium free Passivation Additive (Rinsing-free Selective)

2 month ago

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FOSHAN HAIHUA SURFACE TREATMENT TECHNOLOGY CO., LTD.

6 month

Product details

LW-29 Chromium free Passivation Additive (Rinsing-free Selective) is a remarkable Anodizing Agent and an environmentally friendly acid treatment additive. As a passivation agent, it plays a crucial role in the surface treatment of aluminum. It utilizes composite metal salts to create a uniform chemical conversion film on the aluminum surface. This film effectively enhances the adhesion of the coating film and boosts the corrosion resistance of both the surface and the coating.

In the context of Powder Coated Aluminium, LW-29 can be a valuable asset. By forming a high-quality conversion film on the aluminum surface, it provides an excellent foundation for the powder coating process. This ensures that the powder adheres well to the aluminum, resulting in a durable and aesthetically pleasing finish.

For a Powder Coating Line, the use of LW-29 Chromium free Passivation Additive can streamline the production process. Its rinse-free selective feature simplifies the workflow, reducing the time and resources required for post-passivation rinsing. This allows for a more efficient operation of the powder coating line, increasing productivity.

When it comes to applying Powder Coating Powder, the performance of LW-29 as a passivation agent is significant. The enhanced adhesion provided by the conversion film formed by LW-29 ensures that the powder coating adheres firmly to the aluminum surface, preventing issues such as peeling or flaking.

In the case of Liquid Powder Coat, LW-29 can also contribute to the overall quality of the coating. Its ability to improve the surface properties of the aluminum makes it more receptive to both liquid and powder coatings, ensuring a consistent and high-quality finish.

LW-29 can also be considered as a Powder Coating Additive in a broader sense. Its role in enhancing the surface properties of the aluminum substrate before powder coating makes it an essential component in the powder coating process.

The process control of LW-29 Chromium free Passivation Agent involves a specific workflow: Rinsing → Degreasing → Rinsing → Rinsing → Rinsing → Passivation → Rinsing → Dry. It is important to pay attention to the PH value and conductivity of the water used when setting up a new tank.

Regarding the solution maintenance of LW-29 Chromium free Passivation Additive (Rinsing-free Selective), after a period of production, it is necessary to replenish the additive in a timely manner. As the content of the additive decreases, the passivation performance of the solution will decline. Additionally, the PH of the solution is a critical factor affecting the quality of the coating film. If the PH becomes too high and the coating film forming speed is very slow, replenishing LW-29 and mixing the solution evenly will restore its normal functionality. LW-29's chromium-free nature and compliance with green environmental protection requirements make it an ideal choice for replacing traditional chromium passivation coatings in aluminum surface treatment, whether for Powder Coated Aluminium or other powder coating applications within a Powder Coating Line.

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FOSHAN HAIHUA SURFACE TREATMENT TECHNOLOGY CO., LTD.

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6 month

Main Product: aluminum cleaner , aluminum brightener, neutralizing agent, passivation agent, aluminum paint stripper, aluminum etchant

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