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DANSK DSF/PREN ISO 7231 PDF

DANSK DSF/PREN ISO 7231 PDF

Name:
DANSK DSF/PREN ISO 7231 PDF

Published Date:

Status:
[ Draft ]

Description:

Polymeric materials, cellular, flexible – Determination of air flow value at constant pressure-drop (ISO/DIS 7231:2022)

Publisher:
Dansk Standard

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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$12
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DRAFT

This document specifies two methods for determining the air flow value of flexible cellular polymeric materials: – method A, for conventional types of flexible cellular polymeric material; – method B, for all types of flexible cellular polymeric material, but especially for materials with a low permeability to air. For method B two methods are specified in this document: – Method B1: with manual measurement – Method B2: with automatic measurement NOTE 1 – Air flow values can be used to give an indication of the effects of formulation and production variables on the cellular structure. NOTE 2 – In this document, the expression “conventional type of flexible cellular polymeric material” means types which are unsuitable for sealing purposes.


Edition : 22
File Size : 1 file , 2.1 MB
Number of Pages : 21
Product Code(s) : DSF-021, DSF-021

History

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