Consists of sheets, shavings, and cuttings of industrially generated printed or unprinted coloured or white groundwood-free paper. All stock must be uncoated and free of nonimpact printing. A percentage of carbonless paper is allowable.

Prohibitive materials may not exceed ½ of 1 %
Outthrows plus prohibitives may not exceed 2 %

Connected to:

Coated book stock (CBS)
Consists of coated groundwood-free paper, printed or unprinted in sheets, shavings, guillotined books and cuttings. A reasonable percentage of paper containing fine groundwood may be included.

Prohibitive materials none permitted
Outthrows plus prohibitives may not exceed 2 %

EN 643 European system equivalents

Multi-printing
Lightly printed woodfree coated papers in sheets or trim, free from wet-strength paper and from paper coloured in the mass.

Non-paper components max. 0.5 %
Total unwanted material max. 1 %

Medium printed multi-printing
Medium and heavily printed woodfree coated papers in sheets or trim, free from wet-strength paper and from paper coloured in the mass.

Non-paper components max. 0.5 %
Total unwanted material max. 1 %