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Homepage>BS Standards>83 RUBBER AND PLASTICS INDUSTRIES>83.080 Plastics>83.080.20 Thermoplastic materials>BS EN ISO 307:2019 - TC Tracked Changes. Plastics. Polyamides. Determination of viscosity number
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immediate downloadReleased: 2020-02-28
BS EN ISO 307:2019 - TC Tracked Changes. Plastics. Polyamides. Determination of viscosity number

BS EN ISO 307:2019 - TC

Tracked Changes. Plastics. Polyamides. Determination of viscosity number

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Standard number:BS EN ISO 307:2019 - TC
Released:2020-02-28
ISBN:978-0-539-07149-8
Status:Tracked Changes
DESCRIPTION

BS EN ISO 307:2019 - TC


This standard BS EN ISO 307:2019 - TC Tracked Changes. Plastics. Polyamides. Determination of viscosity number is classified in these ICS categories:
  • 83.080.20 Thermoplastic materials

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.