Katmise

Katmise is the process or result of applying a surface layer to an object to alter its appearance or properties. In Estonian usage, katmine refers to the act of applying a coating, while katmise is the genitive form used in phrases such as katmise kiht, meaning a coating layer. Coatings can be decorative or protective and are used to improve properties such as corrosion resistance, wear resistance, thermal insulation, or electrical behavior. They can be applied to metals, wood, concrete, ceramics, and plastics, among others.

Materials commonly used in katmine include paints and varnishes, metallic coatings (such as zinc, chromium, or nickel), ceramic coatings, polymer coatings, and composite or multi-layer systems. The choice of material depends on the desired properties, exposure conditions, and the substrate.

Application methods vary and include painting, powder coating, electroplating, hot-dip galvanizing, thermal spraying, and thin-film techniques such as chemical vapor deposition and physical vapor deposition. Substrate preparation is critical and typically involves cleaning, degreasing, etching, and roughening to promote adhesion. Coating thickness ranges from a few micrometres for thin films to tens or hundreds of micrometres for protective layers.

Key considerations in katmine are adhesion to the substrate, compatibility of materials, coating thickness, curing or drying conditions, and environmental exposure. Environmental and health concerns, such as volatile organic compounds and restricted substances, influence material choice and application practices. Katmine is widely used in construction, automotive, electronics, maritime, and industrial manufacturing contexts.