3 ways to choose matting agents

2021-09-17   Pageview:403

1, Matching with film-forming substances:
coating film matting is caused by the existence of incompatible substances in the system, so different resin systems should be paired with different types of matting agents.
2, The appearance of the coating film:
because the aluminum powder coating requires high flatness, so for those containing active ingredients of matting agent need to be used carefully. If the amount used is too high, the coating film will have heavy orange lines and even wrinkling and sanding.
3, The impact on the mechanical properties of the coating film:
different types of matting agent on the mechanical properties of the coating film is affected, especially in the impact resistance of the coating film. The amount of matting agent used is too high, which will cause the impact resistance of the coating film is good and the recoil is not good.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As the powder coating of aluminum profile for outdoor use, it is necessary to add the right amount of UV absorbers and antioxidants in the formula. ac 8 Polyethylene wax helps to improve the scratch resistance of the coating film, but its yellowing resistance is poor. For light-colored aluminum powder coatings, the yellowing resistance of the coating film should be considered while improving the scratch resistance of the coating film.

The developed powder coating for aluminum profiles has a stable production process and meets the requirements of the design scheme for the appearance and performance of the aluminum profile coating film, and the product performance is leading in China. If the product can be further promoted and applied in the market, it will be of great significance to promote the development of domestic aluminum profiles and the progress of technology.

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