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Sample Description: Two similar samples, each containing enough 8" by 11" sheets of paper to provide two large specimens of approximately 50 grams each or several smaller specimens.

Participants will test in accordance with TAPPI T412 if using a drying oven or manufacturer's instructions if using a microwave-type oven. Either technique may be used for this test.

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.