| |
| |
Bleach |
| |
A chlorine solution used to whiten pulp in papermaking. |
| |
Bleach Plant |
| |
Area of a pulp mill where pulp is bleached. |
| |
Bleached Pulp |
| |
Pulp that has been bleached by means of chemical additives to make it suitable for white paper production. |
| |
Bleaching |
| |
Removal or reduction of color in pulp to improve its brightness. |
| |
Bleed |
| |
Ink that extends beyond the edges of a piece of paper is said to bleed off the sheet. In a printing project, usually a bleed will cost more to produce than a piece that does not bleed. |
| |
Blind Emboss |
| |
A design impression that is made without using inks or metal foils. |
| |
Blind Folio |
| |
A page that is counted in the overall counting of pages, but the number is not printed on the page. |
| |
Blind Image |
| |
A problem that arises in the lithography process when an image loses its ink receptivity and fails to print. |
| |
Blister |
| |
A defect on a paper surface often shaped like a human blister. |
| |
Blister Pack |
| |
This term describes a packaging system, which is a combination of board and plastics. The product is sealed to the board by a transparent plastics film. This system is often used for small products of difficult shapes and sizes. |
| |
Blistering |
| |
The process of separation of the paper’s coating from its surface, which appears in the form of eruptions. Usually caused by high drying temperatures, high paper moisture, or low internal bond strength. |
| |
Block |
| |
Illustrations or line art etched onto zinc or copper plates and used in letterpress printing. |
| |
Block Resistance |
| |
The resistance of coated papers to blocking. Refer Blocking. |
| |
Blocking |
| |
The adhesion of one coated sheet to another, causing paper tears or particles of the coating to shed away from the paper surface. |
| |
Blotting Board |
| |
A high absorbency paperboard. |
| |
Blotting Paper |
| |
Bulky, absorbent, filler-free paper, which is mostly produced from pure cotton in the form of bleached linters and from chemical pulp. The advent of the ball-point pen has greatly reduced its demand. |
| |
Blow-Through Drying Process |
| |
A system using dry steam or hot air that blows through the wire. The blow-through drying process enabled tissue products to be dried in much less time. |
| |
Blue Angel |
| |
A German eco-label. To achieve this, paper has to contain 100% post-consumer waste. |
| |
Board |
| |
The line of demarcation between paper and board is indeterminate. However, generally a thick, stiff paper or card usually made in several layers (or plies) with a substance normally varying from 150 to 500 g/m2, for certain grades even higher; widely used for packaging (e.g. folding cartons) and graphic applications.
Quick Links:
Buy Paperboard
Paperboard Manufacturers
Sell Paperboard |
| |
Body Stock |
| |
Base stock, or coating raw stock for plain or decorated papers. |
| |
Bogus |
| |
Product made from wastepaper or other inferior materials in an imitation of higher-quality grades. |
| |
Bolts |
| |
The edges of folded sheets of paper, which are trimmed off in the final stages of production. |
| |
Bond Paper |
| |
A grade of durable writing, printing and typing paper made form bleached chemical wood pulps and cotton fibers. It is most commonly used for letterheads, stationery, business forms, etc.
Quick Links:
Buy Bond Paper
Bond Paper Suppliers
Sell Bond Paper |
| |
Bond Strength |
| |
The strength of paper or board to withstand layer-to-layer separation. Paper with good bonding strength will not pick during the printing process. |
| |
Bone Dry (B.D.) |
| |
This term refers to the moisture-free conditions of pulp paper. It also refers to air containing no vapor. |
| |
Book Block |
| |
A term given the unfinished stage of bookmaking when the pages are folded, gathered, and stitched-in but not yet, cover bound. |
| |
Book Paper |
| |
Classification of paper that includes various grades and many finishes, among the grades being uncoated book paper and coated book paper used by printing establishments, publishers, etc. Made as wove or laid and can have finishes of antique, eggshell, machine, supercalendered, coated, dull, matte, or glossy. |
| |
Bottle Labeling Paper |
| |
A special body paper coated with an adhesive mixture. Must resist blocking under humid conditions. |
| |
Bound Galleys |
| |
The bound galley is used for promotional purposes and is frequently sent to book reviewers prior to printing the book. |
| |
Box Board |
| |
Paperboard used in the manufacture of boxes. May be made of wood pulp or wastepaper. May be plain, lined or clay coated.
Quick Links:
Buy Boxboard
Boxboard Suppliers
Sell Boxboard |
| |
Box Cover Paper |
| |
A wide variety of white, colored, coated, uncoated, flint glazed or embossed lightweight paper used expressly for covering paper boxes. |
| |
Box Enamel Paper |
| |
A glossy coated paper used to cover paper boxes. |
| |
Box Liners |
| |
A coated paper used on the inside of boxes, which are used for food. |
| |
Box Paper |
| |
Plain or coated papers usually colored and embossed. |
| |
Braille Paper |
| |
A smooth and high strength paper suitable for the production of raised dots needed to manufacture reading material for the blind. |
| |
Break |
| |
Total rupture of a web of paper during the manufacturing of printing process, which results in a tear from edge to edge. |
| |
Breaker |
| |
Reduces rags to smaller pieces for beating in a Hollander. |
| |
Breaking Length |
| |
A measurement of tensile strength of paper corrected for its basis weight. This represents the theoretical length of a uniform width of paper that, when suspended by one end, would break by its own weight. |
| |
Breast Roll |
| |
Roll number one over which a Fourdrinier wire passes. |
| |
Brightening |
| |
Addition of optical brighteners to the stock to make the pulp appear whiter |
| |
Brightness |
| |
Paper, paperboard, and pulp are measured through a lab test to determine the degree of reflectivity as measured by blue light to determine its brightness level. Paper brightness affects the legibility and contrast of printing. Printers, publishers, sellers refer to brightness which may be approximately by various photometers such as Photovolt, Elrepho, GE Brightness, Hunter Lab.
Quick Links:
Buy Brightness Testers
Brightness Tester Suppliers
Sell Brightness Testers |
| |
Bristol |
| |
A stiff, heavy paper with a caliper of 0.006” and more. Examples include bogus, folding, index, printing and wedding bristol, bristol covers, postcard and coated postcard. |
| |
Brittleness |
| |
A property of paper that causes it to break when subjected to binding, converting, finishing, folding, and handling. Factors, which contribute to brittleness are composition, moisture, drying and aging. |
| |
Broad Fold |
| |
A term given to the fold whereby paper is folded with the short side running with the grain. |
| |
Brocade |
| |
A type of heavily embossed paper. |
| |
Brochure |
| |
A pamphlet that is bound in booklet form. |
| |
Broke |
| |
Paper or board discarded during manufacture or converting of paper; usually repulped. |
| |
Broken Carton |
| |
A quantity of paper less than a full carton. |
| |
Broken Edges |
| |
Damaged edges of paper. |
| |
Broken Ream |
| |
Less than a full ream (500 sheets) of paper. |
| |
Bronzing |
| |
A printing method whereby special ink is applied to sheets and then a powder is applied producing a metallic effect. |
| |
Brownstock |
| |
The pulp obtained from the cooking process. |
| |
Brush Coated Paper |
| |
Paper that has been coated by off-machine brushes. |
| |
Brush Coating |
| |
A method of coating a web of paper in which the applied coating is distributed and smoothed by means of brushes. |
| |
Brush Finish |
| |
A high polish given to paper. It is obtained by running the dried or partially dried coated paper over a revolving drum provided with six or more rapidly revolving cylinder brushes, which contact the coated surface of the sheet. |
| |
Brush Glazing |
| |
Glazing of coated paper with the aid of brushes. |
| |
Brush Marks |
| |
Brush marks on the surface of brush coated paper due to improper application of the coating. |
| |
Buckle |
| |
An area of paper rolls where the paper is overly compressed and creates a buckle when it is wrapped. |
| |
Buckle Folder |
| |
A portion of the binding machinery with rollers that fold the paper. |
| |
Buckram |
| |
A coarse sized cloth used in the bookbinding process. |
| |
Buffering |
| |
The acid neutralization in paper by adding an alkaline substance (usually calcium carbonate or magnesium carbonate) into the paper pulp. The buffer acts as a protection from the acid in the paper or from pollution in the environment. |
| |
Bulk |
| |
A term used to define the number of pages per inch of a book relative to its basis weight. It is reciprocal of paper density. In the paper trade bulk is a more commonly used measure than density to indicating the "compactness" of paper. Also known as specific volume. |
| |
Bulk Product |
| |
A mass-produced product sold in large volumes without individual specifications, usually in compliance with a standard, e.g. Newsprint. |
| |
Bulking Board |
| |
Non-calendered board, lighter in weight per point of thickness. |
| |
Bulking Thickness |
| |
The thickness of a pack of sheets divided by the number of sheets in the pack. |
| |
Bulky Mechanical |
| |
A mechanical paper made to a specific caliper as opposed to a fixed grammage. This type of paper is used mainly for mass market paperback books. |
| |
Burnout |
| |
The loss of color during drying. |
| |
Burnt Paper |
| |
Paper, which is discolored and brittle, but otherwise, is intact. |
| |
Burst |
| |
An irregular separation or rupture through the paper or package |
| |
Burst Factor |
| |
The resistance of paper to rupture when pressure is applied to a side by a specified instrument. |
| |
Burst Index |
| |
The quotient of the bursting strength of a paper and its grammage in the conditioned state as defined in the standard method of test. |
| |
Burst Resistance |
| |
The resistance to bursting of a sheet of paper, paperboard of package when subject to impact or pressure normal to the surface. |
| |
Bursting Strength |
| |
The strength of paper in pounds per square inch, as measured by Mullen tester. This is also referred to as burst and pop strength.
Quick Links:
Buy Burst Strength
Testers
Burst Tester Manufacturers
Sell Burst Strength
Testers |
| |
Business Communications Paper |
| |
Paper for use in stationery, business forms, checks, copier papers, duplicating papers. |
| |
Business Form |
| |
Paper prepared to facilitate the entry of written information in a pre-determined format. Usually contains repetitive information to save preparation and reference time. |