Enroll at any time.

Participants will determine the grammage of both packs of paper in accordance with TAPPI T410.

Sample Description: Two similar samples, each containing ten pre-conditioned 13" by 20" sheets of paper. Samples range from 70–110 g/m2.

Samples ship every other month for a total of six shipments beginning with the earliest available cycle of testing. Testing is conducted during January, March, May, July, September, and November, with samples for each test cycle shipping in the month prior.

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