BS EN 4689:2021

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Aerospace series. Paints and varnishes. Two-components room temperature curing polyurethane finish. High flexibility and chemical agent resistance for military application

Published By	Publication Date	Number of Pages
BSI	2021	24

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Description

This document specifies the requirements for a two-components flexible polyurethane topcoat to be applied over EN 4687 and/or EN 4688 primers mainly for exterior aerospace applications. The primer and the finish tested to this document will be from the same manufacturer applied in accordance with (i.a.w.) their instructions/Table 1.

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PDF Pages	PDF Title
2	undefined
6	1 Scope 2 Normative references
8	3 Terms and definitions 4 Surface pretreatments
9	5 Classification 6 Batch release and qualification testing 6.1 General 6.2 Qualification tests 6.3 Batch release testing
21	7 Requirements for fibre reinforced composites
22	8 Designation

Additional information

Status	Definitive
Pages	24
Publication Date	2021-02-03
ISBN	978 0 539 15029 2
Standard Number	BS EN 4689:2021
Title	Aerospace series. Paints and varnishes. Two-components room temperature curing polyurethane finish. High flexibility and chemical agent resistance for military application
Identical National Standard Of	EN 4689
Replaces	BS EN 4689:2012
Descriptors	Varnishes, Coatings, Gloss (of surface), Protective coatings, Physical properties of materials, Air transport engineering, Polyurethane, Paints, Finishes, Chemical properties, Performance testing
Publisher	BSI
Committee	ACE/65
ICS Codes	49.040 - Coatings and related processes used in aerospace industry

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BS EN 4689:2021

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