Bulk thickness of the paper relative to its weight. High bulk paper is thicker than low bulk paper, but not heavier. Calendering the process of running paper between polished steel rolls on the paper machine to produce a desired smoothness. Coated Paper paper with a coated surface that gives the paper a smooth finish. Cover Paper a heavyweight paper designed particularly for covers of brochures and catalogs, business cards, posters, and similar applications.
Density identifies the weight of the paper compared to the thickness.
Density is directly related to stiffness, absorbency, opacity, and resiliency. Fibers infinitesimally small particles of rag or wood pulp, which are the major raw ingredients in the papermaking process. Finish the special characteristics of a paper's surface, which differ from grade to grade. High, low and textured finishes, for example, exhibit varying degrees of smoothness, ink receptivity and printability. Folio Size paper that is 17x22 in.