BS ISO 2965:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability. Determination of air permeability
Hardcopy , PDF
08-07-2019
English
05-31-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Sampling
7 Procedure
7.1 General
7.2 Leak check of the test piece holder
7.3 Preparation of test pieces
7.4 Calibration
7.5 Insertion of a test piece
7.6 Measurement
8 Expression of results
9 Precision
9.1 Repeatability
9.2 Reproducibility
9.3 Results of an international collaborative study
(Study 1)
9.4 Statistical discussion of r and R results for
Study 1
9.5 Results of an international collaborative study
(Study 2)
9.6 Statistical discussion of r and R results for
Study 2
10 Test report
Annex A (normative) - Leak testing of test piece holder
Annex B (normative) - Calibration of air permeability
standards and air permeability measuring
instruments
Annex C (informative) - Determination of relevant surface
leakage of test piece in the test piece holder
Annex D (informative) - Flow of air through porous materials
Annex E (informative) - Compensation of calibration standards
Bibliography
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