Mixed paper consists of a clean, sorted mixture of various qualities of paper containing less than 10 percent of groundwood content. Prohibitive materials may not exceed one-half of one percent. Total outthrows may not exceed three percent.
· Based, clean, sorted mixture of various qualities of paper
· Obtained from printers, recycling facilities, and other sources of recycled stock
· Used as a filler grade in the production of duplex board and medium