HP LaserJet Printers - Print Media Guide

120 to 150 for photocopy grades (wove or regular nishes)
40 to 60 for very smooth laser or coated grades
250 to 300 for cockle nishes
greater than 350 for traditional linen and laid nishes
waste paper
A generic term used for post-consumer waste and some pre-consumer waste.
watermark
An impression made in a wet sheet of paper as it is being manufactured. Watermarks are visible when the sheet is held up
to light. They appear as a word, symbol, or other impression.
ENWW Glossary 47