Enroll at any time.

Participants will test in accordance with TAPPI T511 for MIT-type testers.

Sample Description: Two similar samples, each containing ten pre-conditioned 4" by 11" sheets of paper. Samples range from 25–300 double folds throughout the year.

Samples ship every other month for a total of six shipments beginning with the earliest available cycle of testing. Testing is conducted during February, April, June, August, October, and December, with samples for each test cycle shipping in the month prior.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.