ISO 4638:1984

Polymeric materials, cellular flexible — Determination of air flow permeability

Publication date: May 1, 1984

General information

Current stage: 90.93 Effective date: Nov 25, 2020

Originator: ISO

Owner: ISO/TC 45/SC 4

Type: International Standard

ICS: 83.100

Languages: French English

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Status: Published

PDF - ALL 7,123

Paper - ALL 7,123

CD - ALL 7,123

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Scope

Applicable to test pieces cut from products of cellular materials. Useful for two purposes: a) studying the structure of cellular products in connection with their physical properties and their method of manufacture and b) ensuring product quality (quality assurance). Describes principle, apparatus, test piece and conditions, procedure and calculation and expression of the results. Three figures deliver the details for testing.

Life cycle

NOW

PUBLISHED
ISO 4638:1984
90.93 Standard confirmed
Nov 25, 2020

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