1.05 Ordinary corrugated board

1.05.00 Ordinary corrugated board
Used boxes and sheets of corrugated board of various qualities, may include 10 % of other packaging papers and boards.

Non-paper components max. 1.5 %
Total unwanted material max. 2.5 %

1.05.01 Corrugated board
Used boxes and sheets of corrugated board of various qualities, may include 5 % of other packaging papers and boards.

Non-paper components max. 1.5%
Total unwanted material max. 2.5%

US Guideline PS-2018 equivalent 

PS 11 Old corrugated containers (OCC)
Consists of corrugated containers having liners of either test liner or kraft.

Prohibitive materials may not exceed 1%
Total outthrows may not exceed 5%