Paper and Board 0.0 / 5 ? Design & Technology: GraphicsPaperASEdexcel Created by: Mad Dog TannenCreated on: 14-05-17 12:31 What is wood made up of? Cellulose fibres bound together by lignin 1 of 18 What causes yellowing in mechanically pulped papers? High lignin content 2 of 18 What is mechanised pulp bleached with? Peroxide or sodium hydroxide 3 of 18 What is the most used process for chemical pulping? Alkaline Kraft, using caustic soda and sodium sulphate to cook the pulp 4 of 18 What is the process for making paper known as? The Fourdrinier process 5 of 18 What is sizing agent used for? Improving water resistance, therefore reducing ink run or feathering 6 of 18 What are the steps in the paper making process? Wet end, Press section, Dryer section, Calendar section 7 of 18 What is the lowest gsm drawing paper known as? Layout paper 8 of 18 What are the benefits of tracing paper over layout paper? The heavier weights are preferred by draughtspeople 9 of 18 What paper is used for high-quality writing and stationary? Bond paper 10 of 18 What is bond paper generally made of? Rag pulp from cotton or linen, increasing strength 11 of 18 What is coated paper covered in, and why? Coated paper is coated in a suspension of china clay, pigment and adhesive, to fill in any pores in the paper. 12 of 18 What layering is used in folding boxboard? Bleached virgin pulp top layer, unbleached pulp middle layer and bleached pulp inside layer 13 of 18 What board is used most for box making? Corrugated board 14 of 18 What is solid white board made from? Entirely from pure bleached wood pulp 15 of 18 What are the benefits of foil lined board? Strong visual impact and barrier against moisture 16 of 18 At what point does a paper become a board? Anything heavier than 220gsm 17 of 18 What is card and board thickness measured in? Microns 18 of 18
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