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BSI PD ISO/TS 21237:2020

BSI PD ISO/TS 21237:2020

$102.76

Nanotechnologies. Air filter media containing polymeric nanofibres. Specification of characteristics and measurement methods

Published By Publication Date Number of Pages
BSI 2020 20
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This document specifies the characteristics to be measured of air filter media containing polymeric nanofibres on the surfaces of a substrate. It also describes measurement methods for determining the individual characteristics.

This document does not cover characteristics specific for health and safety issues.

NOTE

The properties/performances assessment of air filter media related to applications requires the use of relevant published standards. The physical properties and performances of filtration media, such as pressure drop, and the particle removal efficiency of air filter media are measured with test methods suitable for specific applications.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Abbreviated terms
11 5 Characteristics to be measured and their measurement methods
5.1 General
5.2 Mandatory and optional characteristics and their measurement methods
12 5.3 Descriptions on characteristics and their measurement methods
5.3.1 General
5.3.2 Fibre diameter
5.3.3 Morphology
5.3.4 Specific surface area
13 5.3.5 Chemical composition content
5.3.6 Thermal stability
5.3.7 Crystalline structure
5.3.8 Crystallinity
14 5.3.9 Crystallite size
6 Reporting
15 Annex A (informative) Typical structures of air filter media containing nanofibres
17 Annex B (informative) Test report format for mandatory characteristics
18 Annex C (informative) Test report format for optional characteristics
19 Bibliography

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BSI PD ISO/TS 21237:2020
$102.76