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TAPPI T 549 — COF of Paper & Paperboard: Use, Purpose, and Industry Insight

TAPPI T 549 — COF of Paper & Paperboard: Use, Purpose, and Industry Insight

by QUALTECH PRODUCTS INDUSTRY Science & Research / Sunday, 12 October 2025 / Published in Science and Research, TAPPI Test Standards

When you need to measure how easily paper or paperboard slides against surfaces, TAPPI T 549 provides the industry standard method for determining the coefficient of friction (COF). This test uses the horizontal plane method to measure the force needed to move one material across another at a constant speed. The test is essential for…

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