Aerospace series - Paints and varnishes - Test method for determination of infrared reflectance

This standard specifies the method of test for determining the infrared reflectance of paints and varnishes.
The test procedure determines the amount of energy reflected by the material in the range of wavelengths between 700 nanometres and 2 400 nanometres with respect to that of a standard reflectance material.
The procedure is applicable to products intended for use in aerospace applications.

Luft- und Raumfahrt - Beschichtungsstoffe - Prüfverfahren zur Messung der Infrarotemission

Diese Norm legt ein Prüfverfahren zum Ermitteln der Infrarotremission von Beschichtungsstoffen fest.
Mit diesem Prüfverfahren wird die Menge an Energie ermittelt, die vom Werkstoff in dem Wellenlängenbereich zwischen 700 nm und 2 400 nm im Vergleich zu einem Werkstoff mit genormter Remission reflektiert wird.
Dieses Prüfverfahren gilt für Produkte, die für den Einsatz in Luft- und Raumfahrtanwendungen bestimmt sind.

Série aérospatiale - Peintures et vernis - Méthode d'essai pour réflectance infrarouge

Aeronavtika - Barve in laki - Preskusne metode za ugotavljanje odbojnosti infrardečega sevanja

General Information

Status
Published
Publication Date
20-May-2009
ICS
49.040 - Coatings and related processes used in aerospace industry
Technical Committee
I13 - Imaginarni 13
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
17-Apr-2009
Due Date
22-Jun-2009
Completion Date
21-May-2009
Ref Project
EN 4592:2006 - Aerospace series - Paints and varnishes - Test method for determination of infrared reflectance

Overview

SIST EN 4592:2009 is a European standard developed by CEN that specifies a test method for determining the infrared reflectance of paints and varnishes used in aerospace applications. This standard outlines a precise procedure to measure the energy reflected by coatings within the infrared wavelength range of 700 to 2400 nanometres, comparing the results to a known reference material. The measurement of infrared reflectance is critical in aerospace, where coatings must meet stringent performance criteria to optimize heat management and material durability.

Key Topics

  • Infrared Reflectance Measurement: The standard defines how to quantify the proportion of infrared energy reflected by aerospace paints and varnishes.
  • Test Range: Measurements cover wavelengths between 700 nm and 2400 nm, focusing on the near and short-wave infrared spectrum important for thermal control.
  • Apparatus Requirements: Utilizes a recording spectrophotometer equipped with an integrating sphere, ensuring accurate and repeatable results. Key specifications include:
    • Wavelength accuracy of ±5 nm.
    • Measurement accuracy between ±2% and ±8% depending on wavelength.
    • Integrating sphere geometry with a 10° ± 2° angle and diffuse specular reflection component.
  • Sample Preparation: Adheres to related ISO standards for examination, conditioning, and coating application to ensure test specimens represent real-world conditions.
  • Calibration and Procedure: Specifies baseline calibration using a reference material to obtain 0% and 100% baselines, followed by measurement of the test panel’s reflectance spectrum.
  • Reporting: Test reports must include comprehensive details such as product identification, test method reference, test conditions, results, and any deviations encountered.

Applications

SIST EN 4592:2009 applies primarily to products used in the aerospace industry, particularly for evaluation of paints and varnishes that influence thermal management by reflecting infrared radiation. Key applications include:

  • Thermal Control Coatings: Ensuring coatings reflect appropriate infrared wavelengths to protect aircraft and spacecraft from excessive heat absorption.
  • Material Performance Verification: Assessing paint and varnish performance during product development or quality control to meet aerospace specifications.
  • Environmental Conditioning: Supporting longevity and safety by verifying coatings retain their infrared reflectance properties after exposure to standard conditioning environments.
  • Regulatory Compliance: Demonstrating conformance with aerospace material standards and facilitating acceptance in European markets.

Related Standards

For accurate testing and sample preparation under SIST EN 4592:2009, the following referenced ISO standards are critical:

  • ISO 1513 - Paints and varnishes: Examination and preparation of samples for testing.
  • ISO 2808 - Paints and varnishes: Determination of film thickness.
  • ISO 3270 - Paints and varnishes and raw materials: Conditioning temperatures and humidities.
  • ISO 15528 - Paints, varnishes, and raw materials: Sampling methods.

These related standards ensure consistency in sample handling, conditioning, and preparation, enhancing reliability and reproducibility during infrared reflectance testing.

By adhering to SIST EN 4592:2009, aerospace manufacturers and coating producers can ensure their paints and varnishes meet demanding infrared reflectance requirements, facilitating safety, efficiency, and compliance in aerospace environments.

Frequently Asked Questions

SIST EN 4592:2009 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Paints and varnishes - Test method for determination of infrared reflectance". This standard covers: This standard specifies the method of test for determining the infrared reflectance of paints and varnishes. The test procedure determines the amount of energy reflected by the material in the range of wavelengths between 700 nanometres and 2 400 nanometres with respect to that of a standard reflectance material. The procedure is applicable to products intended for use in aerospace applications.

This standard specifies the method of test for determining the infrared reflectance of paints and varnishes. The test procedure determines the amount of energy reflected by the material in the range of wavelengths between 700 nanometres and 2 400 nanometres with respect to that of a standard reflectance material. The procedure is applicable to products intended for use in aerospace applications.

SIST EN 4592:2009 is classified under the following ICS (International Classification for Standards) categories: 49.040 - Coatings and related processes used in aerospace industry. The ICS classification helps identify the subject area and facilitates finding related standards.

You can purchase SIST EN 4592:2009 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-julij-2009
$HURQDYWLND%DUYHLQODNL3UHVNXVQHPHWRGH]DXJRWDYOMDQMHRGERMQRVWL
LQIUDUGHþHJDVHYDQMD
Aerospace series - Paints and varnishes - Test method for determination of infrared
reflectance
Luft- und Raumfahrt - Beschichtungsstoffe - Prüfverfahren zur Messung der
Infrarotemission
Série aérospatiale - Peintures et vernis - Méthode d'essai pour réflectance infrarouge
Ta slovenski standard je istoveten z: EN 4592:2006
ICS:
49.040 Prevleke in z njimi povezani Coatings and related
postopki, ki se uporabljajo v processes used in aerospace
letalski in vesoljski industriji industry
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 4592
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2006
ICS 49.040
English Version
Aerospace series - Paints and varnishes - Test method for
determination of infrared reflectance
Série aérospatiale - Peintures et vernis - Méthode d'essai Luft- und Raumfahrt - Anstrichstoffe - Prüfmethode zur
pour réflectance infrarouge Messung der Infrarotremission
This European Standard was approved by CEN on 21 July 2006.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,
Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4592:2006: E
worldwide for CEN national Members.

Contents Page
Foreword.3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle.4
5 Apparatus .4
6 Specimen .5
7 Procedure .5
8 Designation .6
9 Test report .6

Foreword
This document (EN 4592:2006) has been prepared by the Aerospace and Defence Industries Association of
Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of ASD,
prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by April 2007, and conflicting national standards shall be withdrawn at the
latest by April 2007.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,
Switzerland and the United Kingdom.
1 Scope
This standard specifies the method of test for determinin
...

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