Polymeric materials, cellular flexible. Determination of air flow permeability

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-07-1995

Publisher

British Standards Institution

Committees responsible
National foreword
Foreword
Method
0. Introduction
1. Scope and field of application
2. References
3. Principle
4. Symbols and terminology
5. Apparatus
6. Test pieces
7. Testing conditions
8. Procedure
9. Calculation and expression of results
10. Test report
Figures
1. Basic principle of the test (according to Darcy's laws)
2. Schematic diagram of an airflow permeability apparatus
3. Measurement cell (cylindrical section)
Annex
ZA. (normative) Normative references to international
publications with their relevant European publications

Specifies a method for the determination of the permeability of flexible cellular polymeric materials to air flow. Applies to test pieces cut from products of cellular material. Useful in: ensuring product quality (quality assurance); studying the structure of cellular products in connection with their physical properties and their method of manufacture.

Committee	PRI/24
DevelopmentNote	Supersedes 93/310383 DC (03/2005)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
EN ISO 4638 : 1995	Identical
NBN EN ISO 4638 : 1995	Identical
ISO 4638:1984	Identical
I.S. EN ISO 4638:1996	Identical
UNE-EN ISO 4638:1996	Identical
NEN EN ISO 4638 : 1995	Identical
UNI EN ISO 4638 : 1997	Identical
NF EN ISO 4638 : 1995	Identical
SN EN ISO 4638 : 1996	Identical
NS EN ISO 4638 : 1ED 1995	Identical

ISO 471:1995

Rubber Temperatures, humidities and times for conditioning and testing

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BS EN ISO 4638:1995

Polymeric materials, cellular flexible. Determination of air flow permeability

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory