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SNZ AS/NZS 1301.447

Methods of test for pulp and paper Method 447: Determination of air permeance (medium range)-Sheffield method

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Organization: SNZ
Publication Date: 18 October 2016
Status: active
Page Count: 24
scope:

This part of ISO 5636 specifies the Sheffield method for determining the air permeance of paper and board using the Sheffield apparatus.

It is applicable to papers and boards which have air permeances between 0,02 μm/(Pa·s) and 25 μm/ (Pa·s) when tested with the Sheffield apparatus.

It is unsuitable for rough-surfaced materials, which cannot be securely clamped to avoid leakage.

Document History

SNZ AS/NZS 1301.447
October 18, 2016
Methods of test for pulp and paper Method 447: Determination of air permeance (medium range)-Sheffield method
This part of ISO 5636 specifies the Sheffield method for determining the air permeance of paper and board using the Sheffield apparatus. It is applicable to papers and boards which have air...
AS/NZS 1301.447S
July 5, 1998
Methods of Test for Pulp and Paper Method 447S: Sheffield Air Permeance of Paper and Board
A description is not available for this item.
NZS/AS 1301.447S
January 1, 1991
Sheffield Air Permeance of Paper
A description is not available for this item.

References

This document references:
ISO 186 - Paper and Board - Sampling to Determine Average Quality
Published by ISO on March 15, 2002
A description is not available for this item.
This document references:
5725-1 - Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
Published by ISO on July 1, 2023
This document — introduces conditions, constraints and resources necessary to evaluate a measurement method or a result; — defines an organizational scheme for the acquisition of trueness and...
This document references:
ISO TR 24498 - Paper, board and pulps - Estimation of uncertainty for test methods by interlaboratory comparisons
Published by ISO on January 1, 2019
This document presents guidelines for a methodology for the estimation of the uncertainty of methods for testing pulps, paper, board, cellulosic nanomaterials, and lignins, as well as products...
This document references:
187 - Paper, board and pulps — Standard atmosphere for conditioning and testing and procedure for monitoring the atmosphere and conditioning of samples
Published by ISO on October 1, 2022
This document specifies the standard atmospheres for conditioning and testing pulp, paper and board, the conditioning procedure and the procedures for measuring the temperature and relative humidity.
This document references:
TAPPI T 547 - Air permeance of paper and paperboard (Sheffield method)
Published by TAPPI on January 1, 2012
This method is used to measure the air permeance of a circular area of paper using a pressure differential of approximately 10 kPa (1.5 psig). In order to accommodate a wide range of paper products,...
This document references:
TAPPI T 1200 - Interlaboratory evaluation of test methods to determine TAPPI repeatability and reproducibility
Published by TAPPI on January 1, 2014
This practice describes techniques for conducting and analyzing the results of intralaboratory and interlaboratory studies. The steps described here will result in a good statistical design that...
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