papers and boards

• In what forms are papers and boards generally available?

  By the sheet, roll, or ply
• What is the largest standard size of paper?

  A0
• How does the size of paper change from A0 to A10?

  Each size halves in size
• How is the weight of papers and boards measured?

  In gsm (grams per square metre)
• How can board thickness be measured?

  In microns
• What does 'ply' refer to in paper or board?

  The thickness in layers
• What are the key characteristics of papers and boards?

  • Available by sheet, roll, or ply
  • Standard sizes from A0 to A10
  • Weights measured in gsm
  • Board thickness measured in microns
  • Ply indicates thickness in layers