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Saturday, August 1, 2020 | History

2 edition of Paper and paperboard drying found in the catalog.

Paper and paperboard drying

Gunnar Gavelin

Paper and paperboard drying

theory and practice.

by Gunnar Gavelin

  • 176 Want to read
  • 36 Currently reading

Published .
Written in English


ID Numbers
Open LibraryOL20627450M

The definitive industry reference on the paper and paperboard packaging sector. Now in a fully revised and updated second edition, this book discusses all the main types of packaging based on paper and paperboard. It considers the raw materials, the manufacture of paper and paperboard, and the basic properties and features on which packaging made from these . Papermaking - Papermaking - Paper grades: Bond is characterized by a degree of stiffness, durability for repeated handling and filing, resistance to the penetration and spreading of ink, bright colour, and cleanliness. There are two groups of bond papers: rag content pulp and chemical wood pulp. Rag content bond may vary from 25 to percent cotton fibre content.

Buy ASTM D Standard Test Method for Moisture Content of Paper and Paperboard by Oven Drying from SAI Global. Papermaking - Papermaking - Paper properties and uses: Used in a wide variety of forms, paper and paperboard are characterized by a wide range of properties. In the thousands of paper varieties available, some properties differ only slightly and others grossly. The identification and expression of these differences depend upon the application of standard test methods, .

• TAPPI T Water Resistance of Sized Paper and Paperboard (Dry Indicator Method) • ASTM D Standard Test Method for Book Bulk and Book Bulking Number of Paper Please scroll down to see a comprehensive lists of the standards we use. Pulp and Paper . Opacity is important in Printing Papers, Book Papers, etc. The opacity of paper is influenced by thickness, amount and kind of filler, degree of bleaching and coating etc. Opacity is measured as the percentage of light absorbed by a sheet of paper. Important in book printing where both sides of paper are printed.


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Paper and paperboard drying by Gunnar Gavelin Download PDF EPUB FB2

Additional Physical Format: Online version: Gavelin, N.G. Gunnar). Drying of paper and paperboard. New York, Lockwood Pub. Co., (OCoLC) Papermaking Science and Technology a book series covering the latest technology and future trends Book 9 Second Edition Totally updated version Book editor Markku Karlsson, (Tech.), Senior Vice President, Technology, UPM Publisher Paper Engineers’ Association/Paperi ja Puu Oy Paperi ja Puu Oy Papermaking Part 2, Drying.

Paper and Paperboard is an indispensable guide to the systems, equipment and practices in today's mills and plants, suitable for new and experienced people alike. Liberal use of sketches and diagrams simplify complex methods and machinery. This second edition has been updated to include developments in mechanical pulping, coating methods, wastepaper recycling, end use Author: James E.

Kline. The book is directed at readers based in companies which manufacture packaging grades of paper and paperboard, companies involved in the design, printing and production of packaging, and companies which manufacture inks, coatings, adhesives and packaging machinery.5/5(1).

The paper machine is a device for continuously forming, dewatering, pressing, and drying a web of paper fibers. The most common type of wet end machine was the fourdrinier, where a dilute suspension of fibers is applied to an endless wire screen or plastic fabric.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle.

55%, depending on the paper grade and press se ction design. The third part of the paper machine is called the drying or dryer section. The paper web passes over rotating, heated cast iron cylinders and the most of the remaining water is removed by evaporation.

When the paper leaves the dryer section its solid content has increased to about %.File Size: KB. Book editor: Rautiainen, Pentti, (Eng.), Senior Paper Technology Manager, Paper business line, Metso Paper, Inc.

This book covers the state of the art technologies in calendaring, reeling and winding, roll wrapping and handling and sheet finishing. 35 Drying of Pulp and Paper.

studies on various paper and paperboard products, Montgomery [2] observed that the drying rate is fairly In actual practice, paper drying. Moisture Content of Paper and Paperboard by Oven Drying1 This standard is issued under the fixed designation D ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

A number in parentheses indicates the year of last reapproval. AFile Size: 30KB. The molded pulp is then dried in an oven.

It will have one very rough side and one smoother side, where the slurry touched the mold. It is an economical and fast way of producing molded pulp.

In Precision Molding a second mold is utilized during the drying process (Twede and Selke, page[14]).File Size: KB. This page paperboard packaging design handbook includes more than detailed illustrations of carton styles and descriptions of folding carton characteristics.

Example: Yes, I would like to receive emails from Paperboard Packaging Council. (You can unsubscribe anytime) Constant Contact Use. By submitting this form, you are consenting to. principle, paper is made by: 1) pulping, to separate and clean the fibers; 2) beating and refining the fibers; 3) diluting.

to form a thin fiber slurry, suspended in solution; 4) forming a web of fibers on a thin screen; 5) pressing the web to increase the density of the material; 6) drying to remove the remaining moisture; and 7) finishing, to provide a.

Moulded pulp packaging. Cullen Packaging Ltd. Glasgow, UK. Search for more papers by this author. Cullen Packaging Ltd. Glasgow, UK. Search for more papers by this author. Mark J. Kirwan. Paper and Paperboard Specialist, Fellow of the Packaging Society, London, UK.

Search for more papers by this author. Book Author(s): Product drying. Pulp and Paper 3 by a dark brown color, are generally used for packaging products and are cooked to a higher yield and retain more of the original lignin.

Bleached pulp grades are made into white papers. Figure shows a pulping curve and relationship between yield, kappa number, and corresponding product.

– Paperboard nipped between steel rollers to achieve uniform thickness and surface smoothness, typically reduces bending stiffness. Post-drying operations in a paperboard machine - II • Surface coating – White pigmented coating (mixture of clay and latex) applied in liquid form –Improves • Surface smoothness • Whiteness.

The Effect of Moisture on Paper Helen U. Kiely, Chief Chemist American Writing Paper Company, Inc. The text contained herein was written by Helen U. Kiely, and delivered by Joseph H. Burgen before the Joint Session, Connecticut Valley Mill Superintendents and Printing House Craftsmen, March 5th, Virgin fibers are obtained directly from trees, either softwood or hardwood trees; recycled fibers are obtained from recycled paper and paperboard.

Manufacture of paperboard requires similar processes to paper manufacture: pulping, optional bleaching, refining, sheet forming, drying, calendering, and winding (see Packaging: Papers for Sacks and Bags). Hogarth, C. () Moulded Pulp Packaging, in Paper and Paperboard Packaging Technology (ed M.

Kirwan), Blackwell Publishing Ltd, Oxford, UK. doi: /ch14 Editor Information Consultant in Packaging Technology London, UK. The task for the dryer section is to remove water from paper web by evaporation. Typical methods for paper or board drying are multi-cylinder drying or air drying.

Regardless of the selected drying method, it is vital to ensure maximum drying efficiency with minimum energy consumption. Valmet’s dryer sections feature optimized steam. HS Codes of PAPER, PAPERBOARD, CELLULOSE WADDING AND WEBS OF CELLULOSE FIBRES, COATED, IMPREGNATED, COVERED, SURFACE-COLOURED, SURFACE-DECORATED OR PRINTED, IN ROLLS OR RECTANGULAR (INCLUDING SQUARE) SHEETS, OF ANY SIZE, OTHER THAN GOODS OF THE KIND DESCRIBED IN HEADING.BOOK PAPER Paper suitable for printing and other uses in the graphic arts industry.

Piece of processing equipment located at dry end of paper machine, consisting of a set of smooth- Paper or paperboard deformation caused by non-uniform distribution of strains and stressesFile Size: KB.paper, staining, preparation of slides, and identification by specific staining techniques.

Provision is made for both quali-tative and quantitative analysis of furnishes. 4. Significance and Use Many types of paper, particularly bonds, ledgers, index, and book papers are bought on the basis of fiber Size: KB.