Povlak
Povlak is a layer of material applied to the surface of an object to modify its properties or appearance. The term is used in materials science to describe protective, functional, or decorative coatings. In everyday Czech usage, povlak can also refer to dental plaque (zubní povlak), a biofilm on teeth.
Coatings are classified by purpose. Protective coatings aim to prevent corrosion, wear, or chemical attack; functional
Coatings are applied by various methods, including painting, spraying, electroplating and galvanizing, thermal spraying, and deposition
Important coating properties include adhesion to the substrate, thickness and uniformity, hardness, wear and corrosion resistance,
Coatings are widely used in automotive, aerospace, electronics, energy, medical devices, and construction. In dental contexts,