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| Ring Crush of Paperboard | TAPPI T-818 |
| Roughness of Paper and Paperboard (Sheffield Method) | TAPPI T-538 |
| Resistance of paper to passage of air (high-pressure Gurley method) | TAPPI T-536 |
| Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm) | TAPPI T-452 |
Paper determinations
Ring Crush of Paperboard, Roughness of Paper and Paperboard (Sheffield Method), Resistance of paper to passage of air (high-pressure Gurley method), Brightness of pulp, paper, and paperboard (directional reflectance at 457 nm). Accordimg to TAPPI T-818, TAPPI T-538, TAPPI T-536, TAPPI T-452
