Graphics -Materials and Components (Paper, Card and Board)
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What 5 factors are taken into consideration when choosing the most appropriate paper or board for a product?
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cost, finish, strength, brightness, thickness
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What are the 3 main ways of achieving a different properties of paper and card?
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Add a coating to the surface (eg clay or chalk) Adding a sizing agent (to improve ink absorbency) Laminating (sticking together layers of card )
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What does gsm mean?
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grams per square metre (weight of paper)
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What is the maximum paper weight in gsm?
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220 gsm (then it is board rather than paper and measured in thickness - microns)
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What is the measurement of thickness of board?
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microns (there are 1000 microns in 1mm)
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What is paper made from?
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The vegetable fibres found in wood.
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What is virgin paper?
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Paper that has been made from wood pulp with no recycled paper added.
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What materials other than wood pulp can paper be made from?
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corn, straw, cotton, hemp
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How much energy can be saved recycling paper rather than making virgin paper?
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40% according to the Energy Information Administration
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What harmful greenhouse gas is produced by rotting paper in landfill sites?
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Methane
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What % of solid waste dumped in landfill sites is paper?
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30%
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Why is deforestation bad for the environment?
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Trees absorb CO2. So if there are fewer trees, less CO2 will be absorbed leading to increased greenhouse gases.
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Why is virgin paper generally used for food containers?
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It reduces the contamination risk to the food products.
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What are the disadvantages of recycling paper?
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Harmful chemicals are used (eg bleach to whiten paper) Not as strong as virgin paper More expensive to make than virgin paper
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What is Correflute or Correx?
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fluted polypropylene(plastic) board
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What is Correx used for?
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Exterior signage (estate agents for sale boards)because it is light, strong, weather resistant and can be printed on using flexography and vinyl stickers.
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What is Duplex?
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rigid multilayered display board, made using a foam board to which various finishes are applied.
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What might Duplex be used for?
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Advertising boards in shops and cinemas which can be coated with a 'smart' foil material.
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What is the thickness of spiral wound tubing (eg toilet roll inner tubes)?
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1000-3000 microns
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What is the thickness of foam boards?
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4000-7000 microns
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What is the thickness of corrugated card?
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3000-5000 microns
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What is the thickness of mount board?
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750-3000 microns
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What is the thickness of carton board?
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230-1000 microns
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What is the thickness of board/ card?
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230-750 microns
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What is the weight of inkjet/ photo laser paper?
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120-230gsm
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What is the weight of sugar paper?
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90gsm
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What is the weight of tracing paper?
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70gsm
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What is the weight of layout paper?
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60gsm
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What is the weight of newsprint?
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50gsm
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What are the advantages of layout paper?
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Layout paper - thin and slightly translucent
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What are the advantages of newsprint?
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Newsprint - cheap, lightweight, uncoated
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What are the advantages of tracing paper?
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Tracing paper - transparent
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What are the advantages of sugar paper?
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Sugar paper - cheap, uncoated, variety of colours
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What are the advantages of cartridge paper?
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textured surface can sketch using different media
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What are the advantages of bleed proof paper?
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Ink doesn't spread out Can use felt pens or marker pens
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What are the advantages of inkjet/ photo laser paper?
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Inkjet/ photo laser paper high gloss or matt coating, quick dry surface
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What are the advantages of board/ card?
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Board/ card rigid surface, easy to print onto
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What are the advantages of carton board?
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Carton board made from different layers and materials, many types available, hi quality print surface
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What are the advantages of mount board?
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Mount board - thick, coloured, rigid board, easy to cut shapes
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What are the advantages of corrugated card?
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Corrugated card - strong and lightweight
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What are the advantages of foam boards?
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Foam boards - rigid, variety of finishes can be applied
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What are the advantages of spiral wound tubing?
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Spiral wound tubing - strong with 3D printable surface
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What is newsprint used for?
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Newsprint - newspapers
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What is layout paper used for?
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Sketching and tracing by designers
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What is tracing paper used for?
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Tracing a design onto another sheet
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What is sugar paper used for?
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Cheap mounting of work, but fades in the sunlight
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What is inkjet/ photo laser paper used for?
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photos presentations
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What is board/ card used for?
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Model-making
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What is carton board used for?
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Packaging
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What is mount board used for?
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model making High quality picture mounting
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What is corrugated card used for?
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packaging protection POS stands
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What is foam board used for?
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POS stands Presentation boards
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What is spiral wound tubing used for?
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Packaging (products such as fabric or paper towels may be wound round it, or posters/ certificates/ photos could be protected within it)
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What is cartonboard?
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a multilayered or laminated material with 3 or more layers (plies) with a white coatng on at least one surface to allow printing
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What are the 4 different types of carton board?
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Solid bleached board (SBB) Solid unbleached board(SUB) Folding boxboard (FBB) White lined chipboard(WLC)
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Why might cartonboard be treated with chemicals?
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To improve properties such as moisture and grease barriers
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How can cartonboard be made waterproof?
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It can be combined with other materials such as plastic or wax coated.
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What are the uses for SBB and why?
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Packaging for chocolate, cigarettes and perfume because high quality white top printable surface.
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What are the uses for SUB and why?
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Drinks cups and packaging for drinks - brown and very strong
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What are the uses for FBB and why?
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Toys and games - white top layer and cream bottom layer
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What are the uses for WLC and why?
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Packaging for detergent- recycled board with white top surface
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What four coatings can change the properties of cartonboard?
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aluminium foil for insulation (drink containers) plastic for waterproofing (Fruit juice cartons) greaseproof paper (cup cakes) wax coating for waterproofing (takeaway coffee cup)
