GCM 110 Lecture Notes - Lecture 5: Kaolinite, Coated Paper, Calcium Carbonate
13 Dec 2016
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Contract proof is contract b/w client and printer. What is paper made of: coated paper has a thin layer of material such as calcium carbonate or china clay in order to make its surface more smoothable (one side shiny other shin not shiny) Enhanced in a process called calendar (ironing to make a smooth surface: how is paper made video. Timber used is from conifer or deciduous trees. Logs arrive remove bark checked. Bleached (chlorine free) oxygen and peroxide. Pulp can be dried baled and transported to other pulp mills. Fliberated fibers bind more tightly to make the paper stronger. Calcium carbonate make the paper opaquer and increase its density. 100l of fresh water = 1kg of paper. Calendar ensures paperthickness is equal jumbo reel (80km of paper sheet) factbomb: watermarks were added to make sure paper is authentic if imp document (security feature) to prevent counterfitting and fake ocuments, paper characteristics.
