Paper Coating Ingredients

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Paper and board grades are sometimes coated to improve the printability, visual properties, or functionality of the sheet. Coating formulas typically contain three categories of ingredients: pigments, binders and additives. Pigments improve printing and optical properties of the sheet, binders adhere the pigment particles to each other and to the sheet, and additives either assist in the coating process or enhance sheet properties. This module describes common coating formulas and coating ingredients.