Enroll at any time.

Participants will submit data for any or all of the following properties in accordance with their respective methods: Mullen Burst (TAPPI T807), STFI (TAPPI T826), Roughness Stylus (TAPPI T575), Roughness Sheffield (TAPPI T538), and Air Resistance Gurley (TAPPI T460). Submitted data will be analyzed and organized in reports alongside participants in the standalone tests.

Sample Description: Four packages of 42 lb. linerboard and four packages of either 52 lb. linerboard (even number cycles) or 31 lb. linerboard (odd number cycles). Each package contains five 12" by 24" randomized, pre-conditioned sheets of linerboard from the same sample lots used in Tests 205, 223, 228, 229, and 237.

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

Additional Information: This test is only open to labs in the USA (including D.C., but excluding other territories).

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