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TAPPI T 441

Water absorptiveness of sized (non-bibulous) paper, paperboard, and corrugated fiberboard (Cobb test)

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Organization: TAPPI
Publication Date: 1 January 2020
Status: active
Page Count: 6
scope:

This method describes a procedure for determining the quantity of water absorbed by nonbibulous paper, paperboard, and corrugated fiberboard in a specified time under standardized conditions. It is based on studies by Cobb and Lowe (1), Cobb (2) and other investigators (3, 4).

For testing unsized and absorbent paper or paperboard, see TAPPI T 432 "Water Absorbency of Bibulous Papers."

Document History

TAPPI T 441
January 1, 2020
Water absorptiveness of sized (non-bibulous) paper, paperboard, and corrugated fiberboard (Cobb test)
This method describes a procedure for determining the quantity of water absorbed by nonbibulous paper, paperboard, and corrugated fiberboard in a specified time under standardized conditions. It is...
T 441 OM
January 1, 2013
Water absorptiveness of sized (non-bibulous) paper, paperboard, and corrugated fiberboard (Cobb test)
This method describes a procedure for determining the quantity of water absorbed by nonbibulous paper, paperboard, and corrugated fiberboard in a specified time under standardized conditions. It is...
T 441 OM
January 1, 2009
Water absorptiveness of sized (non-bibulous) paper, paperboard, and corrugated fiberboard (Cobb test)
A description is not available for this item.
T 441 OM
January 1, 2004
Water Absorptiveness of Sized (Non-Bibulous) Paper and Paperboard, and Corrugated Fiberboard (Cobb Test)
A description is not available for this item.
T 441 OM
January 1, 1998
Water Absorptiveness of Sized (Non-Bibulous) Paper and Paperboard, and Corrugated Fiberboard (Cobb Test)
A description is not available for this item.
T 441 OM
January 1, 1990
Water Absorptiveness of Sized (Non-Bibulous) Paper and Paperboard (Cobb Test)
A description is not available for this item.
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References

This document is referenced by:
NEN-EN-ISO 11607-1/A11 - Packaging for terminally sterilized medical devices - Part 1: Requirements for materials, sterile barrier systems and packaging systems
Published by NEN on July 1, 2022
A description is not available for this item.
This document is referenced by:
BS EN ISO 11607-1 + A1 - Packaging for terminally sterilized medical devices Part 1: Requirements for materials, sterile barrier systems and packaging systems
Published by BSI on January 31, 2020
A description is not available for this item.
This document is referenced by:
11607-1 AMD 1 - Packaging for terminally sterilized medical devices — Part 1: Requirements for materials, sterile barrier systems and packaging systems AMENDMENT 1: Application of risk management
Published by ISO on September 1, 2023
A description is not available for this item.
This document is referenced by:
ASTM D4727/D4727M - Standard Specification for Corrugated and Solid Fiberboard Sheet Stock (Container Grade) and Cut Shapes
Published by ASTM on April 1, 2017
This specification covers fiberboard primarily used for the fabrication of boxes and interior details such as pads, sleeves, liners, partitions, die-cut sheets, etc The performance of fiberboard...
This document is referenced by:
EN ISO 11607-1 - Packaging for terminally sterilized medical devices - Part 1: Requirements for materials, sterile barrier systems and packaging systems
Published by CEN on January 1, 2020
This document specifies requirements and test methods for materials, preformed sterile barrier systems, sterile barrier systems and packaging systems that are intended to maintain sterility of...
This document is referenced by:
ASTM C473 - Standard Test Methods for Physical Testing of Gypsum Panel Products
Published by ASTM on October 1, 2019
These test methods cover the physical testing of gypsum panel products. The values stated in inch-pound units are to be regarded as standard with the exception of weight of samples in SI gram units....
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