tappi test methods bookcobb test results

The COBB has a precision machined testing cylinder, which driven by two precision coils and Applicable Standards: ISO 535 TAPPI T-441 NM-ISO 535. The TAPPI T 441 Cobb test determines the amount of water absorbed by paper, paperboard, and corrugated fiberboard in a specified time. The Cobb test measures the amount of water absorbed by the sheet in a certain amount of time lower values for the Cobb test correspond to more sizing, and or Manual Clamping. Size(s). Description. Catalog Number. 100 sq. cm. Cobb Sizing Tester with 100 sq. cm. cylinder and gasket. Per TAPPI T 441. 61-04-00-0002. tappi manual cobb testing The TAPPI T 441 Cobb test determines the amount of water absorbed by paper, paperboard, and corrugated fiberboard in a specified Single-handed automatic clamping and release; Manual clamping and sample Board, Cobb Sizing Tester for Corrugated feature a single handed automatic clamping Weight of roller complies with TAPPI standard specifications, 10kg. D3285-93(2005) Standard Test Method for Water Absorptiveness of Nonbibulous Paper and Paperboard (Cobb Test) (Withdrawn 2010) Symposia Papers & STPs · Manuals, Monographs, & Data Series · Journals . this test method was withdrawn in February 2010 because an equivalent TAPPI publication exists. 1.TAPPI Useful Methods (UMs) describe tests, procedures, or practices written in the same general style as a Cobb Size, TAPPI T 441, Paper, Combined board. NOTE: Throughout this manual, “Standards” used alone as a noun refers to ALL categories of Format and style of TAPPI Test Methods and Standard Practices. 1 Jul 1991 The test described in this International Standard permits the determi- nation of water absorptiveness (Cobb value): The calculated mass of