The weight in pounds per 3000 sq ft of tissue. A large mixer in which pulp is mixed with the other ingredients used in making paper. A chemical used to whiten paper pulp, often used as a generic term. It is now used in referring to paper used for letterheads and other printing purposes.
Chief characteristics are finish, strength, free from fuzz, and rigidity.
A term used to denote an interruption in the web should it occur while the paper machine is running. Most breaks are marked by a protruding flag from the reel and are subsequently spliced at the winder. Usually recycled to make new paper. The resistance of paper to rupture under pressure, as indicated in pounds per square inch. The material remaining after the non-fibrous components of wood have been removed by pulping and bleaching operations.