I.S. EN ISO 21970-1:2018
Withdrawn
View Superseded by
Plastics - Polyketone (PK) moulding and extrusion materials - Part 1: Designation system and basis for specifications (ISO 21970-1:2018)
Hardcopy , PDF
English
02-07-2019
03-31-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
This document establishes a system of designation for polyketone (PK) moulding and extrusion materials which may be used as the basis for specifications. Polyketone polymer chains are built up from regularly alternating olefinic units and keto groups. The olefinic units shall be randomly distributed ethylene and propylene.
| Committee |
TC 61
|
| DocumentType |
Standard
|
| Pages |
0
|
| ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| ISO 21970-1:2018 | Identical |
| EN ISO 21970-1:2018 | Identical |
| BS EN ISO 21970-1:2018 | Equivalent |
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