Glossary of Terms for
Paper and Printing
"N"
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N0X
Nitrogen Oxides. Produced during the combustion of fuel and also naturally in the atmosphere. They contribute to the acidification of soil and water and also to ground level ozone.
NAPM Recycled Mark
The National Association of Paper Merchants' scheme for designating a paper as recycled. To qualify, a grade must contain at least 75% recycled fibre. Converters' waste, printers' waste and post consumer waste (from homes and offices) are all allowed (printed or unprinted) but not mill broke - the waste has to have left the mill. The remaining 25% can be mill broke or virgin fibre.
NATURAL
A term to describe papers that have a colour similar to that of wood; also called cream, off-white or ivory.
NCR PAPERS (NO CARBON REQUIRED)
Specially coated papers which will react to pressure to produce duplicate copies without the use of carbon.
NEWSPRINT
The relatively low grade paper on which newspapers are printed; it is mainly produced from mechanical pulp and recycled fibres.
NIP PRESSURE
The load on the web passing between two rolls which run together to press the sheet.
NORDIC SWAN
An environmental label encouraging production methods that create minimum environmental impact. Evaluation for paper is based upon strict limits for emissions and effluent from pulp and paper mills.
NOTCHED BINDING
Sometimes used to strengthen perfect binding, notches are made in the binding edge and filled with adhesive to hold the pages together.
NUMBERING
Usually done offline, the process by which collated sheets are consecutively numbered, e.g. for order books.
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