Paper 101

PAPER 101, the most common sizes and weights
used in sheet fed printing.

This is by no means a complete explanation of paper, but rather an attempt to explain its most basic elements in a concise manner.

  • Everyday copy machine paper described.
  • Types of paper
  • Paper Finishes
  • Coated Paper facts
  • Paper thickness chart

Knowing the basic characteristics of everyday bond will hopefully help you understand all other types of paper.

Copy machine paper as a point of reference.

  • The typical paper you use in your copy machine is 20lb bond
  • This paper is .004 of an inch thick.
  • The brightness is around 82, this is a measurement that goes up to around 96
  • The finish is considered smooth or sometimes wove, that is with a slight texture.
  • This paper is uncoated, versus the clay coating found on gloss or matte stocks.
  • This paper typically has a low opacity that refers to the amount of light thatcan pass through.
  • This is important if you don’t like to see print from the other side of the sheet.

Types of paper.

  • Bond, Writing, usually considered business papers 20lb, 24lb, 28lb & rarely 32lb
  • Book (uncoated) 50lb, 60lb, 70lb, and rarely 80lb. Mostly in whites
  • Book (coated gloss & matte or dull) 60lb, 70lb, 80lb, 100lb. Mostly white
  • Text, 70lb, 80lb. Similar to book, but in a wide variety of colors and finishes.
  • Cover (coated gloss & matte or dull) 80lb, 100lb. Mostly white
  • Cover (uncoated), Comes in a wide variety of colors and finishes.

Paper finishes most common type.

  • Smooth
  • Wove, slight texture
  • Vellum, heavy texture
  • Linen
  • Laid
  • Light cockle
  • Felt, like vellum
  • C1s, coated 1 side
  • C2s, coated 2 sides
  • Gloss, coated both sides
  • Matte & dull, coated both sides

Coated Paper Facts.
Did you know…

  • 99% of coated paper is made in white?
  • The coating is made of clay?
  • It is best used where graphic detail is important, like pictures?
  • Bond, text and writing papers are not normally coated?
  • 80lb book gloss is about the same thickness as standard copy paper?

Paper thickness chart.

paper_chart-460x317

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