3131 Roughness - Print Surf 2.5-6.5 Microns (formerly test 377) Price: $332.00

Participants receive two similar samples of uncoated printing papers for testing. Each sample consists of ten pre-conditioned 4 1/4" x 11" sheets that are tested using TAPPI Method T555. 
Enroll at any time; your subscription will start with the next scheduled shipping date and will include six (6) shipments.
Testing conducted during January, March, May, July, September and November.