kalanterointia
Kalanterointia, often referred to as calendering in English, is a manufacturing process used primarily in the paper and plastics industries to smooth and polish surfaces. It involves passing a material between one or more heated rollers. These rollers, known as calenders, are typically made of polished steel or specialized materials depending on the application. The pressure and temperature applied by the calenders compress the material, flatten any unevenness, and impart a smooth, glossy finish.
The process can be adjusted to achieve different surface properties. Higher temperatures and pressures generally result