National Association of Printers & Lithographers. The association provides customer service, education and products for the graphic arts industry. It provides the printing community extensive management and educational services to its worldwide membership.

National Association of Paperstock Women. Open to all members of the paper industry, this association, through its membership programs, enhances the awareness, visibility and effectiveness of women in the paper industry, promotes knowledge of products and markets, and promotes identification of NAPW members and their communication with the industry.

Colors containing little or no coloring chemicals.

Paper coated with a carbonless material to provide for duplicate copies.

The weight after the deduction of tare weight or waste weight.

Offset papers manufactured with a pH of 6.0 to 8.0 on a scale of 0 to 14.0. Neutral pH factors are built into paper as minimum value, to increase stability and improve permanence for use in printing of archival records. See pH value.

Paper on which newspapers are printed. Newsprint is the most inexpensive paper available that will withstand printing and contains mostly mechanically groundwood pulp. Basic size: 24" x 36"/500 sheets. Basis weights range from 24 1/2 to 35 lbs. Current trend is to even lighter basis weights.

Point where two rolls on the paper machine come in contact. It is the action of the two rollers coming together simultaneously against both sides of the paper that calenders and supercalenders the paper.

Pale, straw-colored paper made from chemical wood pulps.

The basis weight of the paper at which the paper is billed. Unless otherwise stipulated by the mill and customer a plus or minus tolerance is allowed in the actual weight.

Electronic equipment that creates an image on a surface without contact, e.g., a laser or ink jet printer.

Paper mill with no capacity to produce its own pulp. It must buy market pulp to supply its papermaking needs. (See integrated).

Paper rolls are wound around cylindrical forms known as cores suitable for one-time use.

Low tack.

Writing paper usually folded.

High bulking news with extremely rough finish. Basic size: 24" x 36". Basis weight: 32 lb per ream. Thickness: .004 of an inch.

National Paper Trade Association. The trade association of the paper distributors in the United States. NPTA develops projects and conducts studies to develop programs for companies in the paper, plastics and allied products distribution industry.