Glossary

NAP
A slight surface texture of some writing surfaces.

NASTA
National Association of State Textbook Administrators, an organization that establishes specifications for all material used to manufacture elementary and high school textbooks.

NEUTRAL pH
Paper with a pH of 7.0.

NEUTRAL SIZING
See alkaline sizing.

NEWSPRINT
A generic term used to describe paper of the type used to print newspapers, usually of very high groundwood content.

NINEPOINT
Paperboards used as the fluted component in the manufacturing of multi-ply combined board or wrapping.

NIP
The point of contact between two rolls, as in a calendering operation.

NLT
No less than - relating to quantity information for trade tolerances.

NMT
No more than - relating to quantity information for trade tolerances.

NOMINAL WEIGHT
The basis weight used when ordering paper. In manufacturing the basis weight used as a target, allowing for normal manufacturing tolerances, usually of plus or minus 5%. The weight stated as the basis or substance weight of paper; accepted trade tolerance, necessary because of variables in manufacturing paper, is plus (+) or minus (-) 5% of nominal weight.

NON-DRYING OILS
Those oils used in inks that do not form dry, hard films as the result of oxidation /polymerization.

NONRETURNABLE CORE
A core, usually of fiber, which is normally used only once.

NONWOVEN FABRIC
Cloth-like material made from long natural and synthetic fibers formed from a slurry on a wire screen or by laying on a fine mesh screen from an air suspension.

NWR
Term used to identify narrow width rolls usually under 17 inches.