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ČSN EN ISO 307 (643605)
Plastics - Polyamides - Determination of viscosity number
Translate name
STANDARD published on 1.12.2019
The information about the standard:
Designation standards: ČSN EN ISO 307
Classification mark: 643605
Catalog number: 508420
Publication date standards: 1.12.2019
SKU: NS-977092
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 307 (643605):
This document specifies a method for the determination of the viscosity number of dilute solutions of polyamides in certain specified solvents. The method is applicable to the polyamides designated PA 46, PA 6, PA 66, PA 69, PA 610, PA 612, PA 11, PA 12, PA 6T/66, PA 6I/6T, PA 6T/6I/66, PA 6T/6I, PA 6I/6T/66 and PA MXD6 as defined in ISO 16396-1, as well as to copolyamides, compounds of polyamides and other polyamides that are soluble in one of the specified solvents under the specified conditions. The method is not applicable to polyamides produced by anionic polymerization of lactams or produced with cross-linking agents; such polyamides are normally insoluble in the specified solvents. The viscosity number is determined by the general procedure specified in ISO 1628 1, observing the particular conditions specified in this document
Preview of the standard ČSN EN ISO 307 (643605)
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