For your print information: Paper making

Paper is an important part of print production, and it is usually the most expensive material used in the job. It is surprising then that the process of how paper is made is not something that is commonly known.

Commercial paper used in print production is made through several steps. The first step in paper manufacturing is known as pulping. Pulping can be accomplished through mechanical or chemical processes. The mechanical process requires that the wood bark be stripped and the stripped trees are treated by a constant grinding action while water is simultaneously sprayed onto the trees and a grindstone. The debarked trees are pressed against the grind stone, which causes the individual fibres to be crushed, scored, pressed, torn off and sheared.

For your print information: Ink viscosity

Welcome to a new column dedicated to helping you understand the science behind printing. Before the topic of ink viscosity is addressed, let us begin with a background of your team of authors. RYETAGA (Ryerson Technical Association of the Graphic Arts) is Ryerson University’s official Student Chapter of TAGA (Technical Association of the Graphic Arts). As Canada’s only TAGA student chapter, RYETAGA student members take part in every aspect of our journal production. We will be submitting our student journal publication to the competition at the TAGA Annual Technical Conference in March 2011. The TAGA conference provides industry and student members the opportunity to learn about the latest research and technology in the graphic arts industry, through conference presentations, seminars and networking opportunities. RYETAGA’s student journal publication will be competing against student chapters from other universities to keep the grand prize for best overall student technical journal, the Helmut Kipphan Cup, and the Harvey Levenson prize for the undergraduate research paper at Ryerson University. Dr. Martin Habekost, professor at the Graphic Communications Management School, advises the team. To learn more, visit our website: www.RYETAGA.com. We hope you enjoy learning about print.