How to test the performance of metal surface treatment coating in painting process

More coatings are used in the spraying process in Dalian. In order to evaluate the performance of these coatings from different angles, corresponding test methods are usually used, including testing the performance of coatings and coatings. What are the specific functions?

Coatings can be divided into industrial paint and civil paint in the spraying process. Among them, industrial paint can be divided into color plate paint, automobile paint, architectural paint, wood paint and aircraft leather paint. For example, according to the coating effect, the main contents are anti-corrosion coating, antirust coating, waterproof coating, etc; Moisturizing coating, elastic coating, insulating coating, antifouling coating, etc.

We should know that the function of the coating determines the quality and application of the coating. The function of coating is multifaceted. In order to evaluate the performance of powder coatings from different angles, the performance testing and performance testing of powder coatings were experimentally studied.

Among them, the physical state parameters of the coating are density and particle size, while the optical function of the coating is gloss and color, and the mechanical function of the coating is hardness and flexibility. In addition, the weather resistance and chemical reagent performance of the coating are also important technical indexes to evaluate the performance of the coating.

The thickness of the coating will affect the performance of the coating, especially the physical and mechanical properties of the film are affected by the thickness. Therefore, the performance of the film must be tested within the specified thickness range.