Enroll at any time.

Participants will test weekly to determine the ring crush strength of the medium samples in accordance with TAPPI T822.

Sample Description: Four packets of randomized, pre-conditioned 26 lb. medium in moisture-proof packaging, with five sheets per packet.

Samples ship monthly for a total of 12 shipments beginning with the earliest available cycle of testing.

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