Zinc oxide in coatings is one of the most common additives in our daily lives. It finds applications in the food industry, pharmaceutical sector, chemical raw materials, rubber industry, and more, holding a crucial position across these fields. So, what roles does zinc oxide play in coatings? Below is a brief introduction.

1. Enhancing Coloring Power

Due to its high refractive index, zinc oxide effectively absorbs ultraviolet rays, granting it exceptional coloring power. When added as an additive to coatings, it significantly improves the color’s lightfastness and heat resistance while boosting the coating’s coloring performance.

2. Improving Suspension Properties

Ceramic coatings typically use particles with smaller diameters. Employing high-purity zinc oxide improves particle suspension, thereby enhancing the coating’s appearance and giving it a more lustrous finish.

The above outlines the functions of zinc oxide in coatings. Beyond these roles, coatings containing zinc oxide in anti-corrosion or marine applications not only form a sealed zinc oxide compound to reduce corrosion agent penetration but also prevent mold growth and inhibit microbial proliferation.