Papers and boards

• What does GSM stand for in relation to paper?

  Grams per square metre
• What weight is considered as board in paper classification?

  Over 220 gsm
• What are the common sizes of paper referred to in the study material?

  A sizes
• What is the significance of laminating heavier boards?

  It is done by layering materials for added strength
• What is the weight range for Cartridge Paper?

  80-140 gsm
• Why is Cartridge Paper more expensive than Copier Paper?

  It has a better surface for sketching and accepts most media
• What is the weight of Copier Paper?

  80 gsm
• What is the primary use of Tracing Paper?

  It is used by designers to trace previous design ideas
• What is the weight range for Tracing Paper?

  40-90 gsm
• What is the finish of Layout Paper?

  Smooth and translucent
• What are the most important properties of paper?

  Brightness, Colour, Gloss, and Opacity
• What does opacity in paper refer to?

  The degree to which light can pass through the paper
• How does gloss differ from glare in paper properties?

  Gloss refers to surface lustre, while glare refers to light reflection
• What determines the strength of paper?

  The strength of individual fibres, average length of fibre, strength of bonds, and structure
• How does moisture affect the strength of paper?

  Strength decreases as moisture increases, breaking down inter-fibre bonding
• What are the types of cards and boards mentioned in the study material?

  • Carton board
  • Folding Box Board
  • Corrugated board
  • Solid White board
  • Foil Lined board
• What does the term 'carton board' refer to?

  A range of packaging materials from single layer card to multi-layer corrugated cardboard
• What is the composition of carton board?

  Produced from recycled carton board and paper, as well as new wood fibres
• What is the typical use of Folding Box Board?

  Used for most food packaging and general carton applications
• What are the layers in Folding Box Board?

  Includes bleached virgin pulp surface and unbleached middle layers
• What is the primary use of Corrugated Board?

  Used for most electrical packaging
• What gives Corrugated Board its strength?

  Two layers of fluted paper
• What is Solid White Board primarily used for?

  Used for frozen food packaging, pharmaceuticals, or health product packaging
• What is a key property of Foil Lined Board?

  It has insulating properties and helps keep moisture out
• What are the key properties of paper that affect its production process?

  • Minimum strength for production processes
  • Tensile strength
  • Bending strength
  • Porosity
• How does the thickness of paper affect its flexibility?

  The thinner the sheet, the more flexible it is; thicker sheets are stiffer
• What is the effect of adding size to paper?

  Bending strength is reduced with the addition of size
• What are some examples of special papers and their uses?

  • Pearlescent: wedding invitations, notecards
  • Holographic: greeting cards, board game cards
  • Mirrored: intaglio plate making, decorative designs
  • Metallic effects: invitations, envelopes, decorative boxes
• What is an example of a special paper used for wedding invitations?

  Pearlescent paper
• What type of paper is used for making decorative designs?

  Mirrored paper
• What type of paper is used for greeting cards?

  Holographic paper
• What type of paper is used for invitations and decorative boxes?

  Metallic effects paper
• What is brushed steel used for?

  Decorative designs
• What is anodised aluminium used for?

  Decorative designs
• What is galvanised steel used for?

  Decorative designs