page_title: Calender
hierarchical_section_title: Calender
caption_attribution_description: Calender at the historical Verla groundwood and board mill (Finland)
context_page_description: A calender is a series of hard pressure rollers used to finish or smooth a sheet of material such as paper, textiles, or plastics. Calender rolls are also used to form some types of plastic films and to apply coatings. Some calender rolls are heated or cooled as needed. Calenders are sometimes mis-spelled calendars.
context_section_description: A calender is a series of hard pressure rollers used to finish or smooth a sheet of material such as paper, textiles, or plastics. Calender rolls are also used to form some types of plastic films and to apply coatings.  Some calender rolls are heated or cooled as needed.  Calenders are sometimes mis-spelled calendars.
caption: Old calender machine
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