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PULP AND PAPER DICTIONARY

This page contains definitions of the terms, words and phrase commonly used in pulp and papermaking, printing, converting and paper trading.

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NATIVE LIGNIN            The lignin as it exists in the lignocellulosic complex before separation.

NEUTRAL DETERGENT FIBER (NDF)  Organic matter that is not dissolved after one hour of refluxing in a neutral detergent consisting of sodium lauryl sulphate and EDTA at pH 7. NDF includes hemicellulose, cellulose, and lignin.

NEWSPRINT                A paper manufactured mostly from mechanical pulps specifically for the printing of newspaper.

NIP                                 Point where two rolls on the paper machine come in contact.

NITRATION PULPS     High purity pulps that are reacted with nitric acid to form a class of chemical derivatives called cellulose nitrates. Cellulose nitrates are used in applications ranging from solvents to smokeless (gunpowder) propellants.

NON WOOD FIBRES   Papermaking fibres derived from plants other than trees such as cotton, hemp, bagasse, jute, bamboo or straws.

NONWOVEN                 Fabric-like material made from long fibres, bonded together by chemical, mechanical, heat or solvent treatment.

© Saxon Machinery Ltd.  2013