EN 2374:1991
(Main)Aerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of test panels
Aerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of test panels
This standard describes the production of laminate and sandwich composite test panels from glass fibre fabric and resin mixes. Test specimens, which are specified for the determination of the characteristics of the glass fibre reinforced mouldings, for the verification of the properties of their components or for the verification of the adhesive and sandwich composite properties, are taken from the test panel in accordance with the relevant test standard. This standard is not applicable to the production of test panels from unidirectional fibre fabrics and resin mixes.
Luft- und Raumfahrt - Glasfaserverstärkte Formstoffe und Kernverbunde - Herstellen von Prüfplatten
Diese Norm beschreibt die Herstellung von Laminat- und Kernverbund-Prüfplatten aus Textilglaserzeugnissen und Reaktionsharzmassen. Aus den Prüfplatten werden entsprechend der jeweiligen Prüfnorm Probekörper entnommen, die für die Ermittlung der Kenndaten des glasfaserverstärkten Formstoffes, für den Eigenschaftsnachweis seiner Komponenten oder für den Nachweis der Klebe- und Kernverbundeigenschaften bestimmt sind. Diese Norm ist nicht anwendbar für das Herstellen von Prüfplatten aus unidirektionalen Textilglasgelegen und Reaktionsharzmassen.
Série aérospatiale - Matériaux stratifiés renforcés de fibres de verre et matériaux composites sandwich - Préparation des panneaux d'essais
La présente norme décrit la fabrication des panneaux d'essai stratifiés et composites sandwich à partir de tissu de verre textile et de résines réactives. Des éprouvettes, prélevées dans ces panneaux conformément à la norme d'essai afférente, servent à la détermination des caractéristiques des pièces de forme renforcées à la fibre de verre, à la vérification des propriétés de leurs composants, ou à la vérification des caractéristiques des structures collées et composites. La présente norme n'est pas applicable à la fabrication de panneaux d'essai en verre textile unidirectionnel et résine réactive.
Aerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of test panels
General Information
- Status
- Published
- Publication Date
- 02-Apr-1991
- Withdrawal Date
- 02-Oct-1991
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 4 - Metallic
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 01-Jun-2017
- Completion Date
- 14-Apr-2025
Overview
EN 2374:1991 (CEN) is an aerospace series standard that specifies the controlled production of glass fibre reinforced mouldings and sandwich composite test panels using glass fibre fabrics and resin mixes. The standard sets out how to prepare reproducible laminate and sandwich test panels from multi‑directional glass fabrics and matrix resins so that composite test specimens can be cut and tested in accordance with the relevant test methods. EN 2374:1991 expressly excludes production of test panels made from unidirectional fibre fabrics and resin mixes.
Key Topics
- Scope and applicability
- Production procedures for laminate and sandwich composite test panels made from glass fibre fabric and resin mixes.
- Exclusion of unidirectional fibre fabric panels.
- Materials addressed
- Glass fibre fabrics (multi‑directional) and compatible resin mixes (matrix systems).
- Panel production requirements
- Emphasis on reproducible processing to produce panels suitable for mechanical and physical testing.
- Preparation of panels intended for subsequent removal of test specimens (cutting, machining) per the test method.
- Specimen handling
- Test specimens are taken from produced panels “in accordance with the relevant test standard” to ensure validity of measured properties.
- Verification focus
- Use of panels for verification of component properties, adhesive bonds, and sandwich core/facia interactions.
Applications
- Who uses EN 2374:1991
- Aerospace manufacturers and OEMs requiring standardized test panels for material qualification.
- Composite materials laboratories and independent testing houses producing panels for mechanical, thermal, and adhesive testing.
- R&D teams developing glass fibre reinforced mouldings or sandwich composite constructions.
- Quality assurance and certification bodies verifying batch consistency and production processes.
- Practical value
- Ensures consistent, reproducible test panels so that tensile, flexural, shear, interlaminar and adhesive tests reflect material behavior rather than panel manufacturing variability.
- Facilitates comparability of test data across suppliers and laboratories in the aerospace supply chain.
Related Standards
- EN 2374:1991 is part of the aerospace series of composite standards published by CEN. It is intended to be used alongside specific test method standards (mechanical, thermal, adhesive test standards) which define specimen geometry and test procedures. Users should apply EN 2374 together with the relevant test standards referenced for each property test.
Keywords: EN 2374:1991, glass fibre reinforced mouldings, sandwich composites, production of test panels, composite test specimens, aerospace standard.
Frequently Asked Questions
EN 2374:1991 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of test panels". This standard covers: This standard describes the production of laminate and sandwich composite test panels from glass fibre fabric and resin mixes. Test specimens, which are specified for the determination of the characteristics of the glass fibre reinforced mouldings, for the verification of the properties of their components or for the verification of the adhesive and sandwich composite properties, are taken from the test panel in accordance with the relevant test standard. This standard is not applicable to the production of test panels from unidirectional fibre fabrics and resin mixes.
This standard describes the production of laminate and sandwich composite test panels from glass fibre fabric and resin mixes. Test specimens, which are specified for the determination of the characteristics of the glass fibre reinforced mouldings, for the verification of the properties of their components or for the verification of the adhesive and sandwich composite properties, are taken from the test panel in accordance with the relevant test standard. This standard is not applicable to the production of test panels from unidirectional fibre fabrics and resin mixes.
EN 2374:1991 is classified under the following ICS (International Classification for Standards) categories: 49.025.40 - Rubber and plastics. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of test panelsLuft- und Raumfahrt - Glasfaserverstärkte Formstoffe und Kernverbunde - Herstellen von PrüfplattenSérie aérospatiale - Matériaux stratifiés renforcés de fibres de verre et matériaux composites sandwich - Préparation des panneaux d'essaisAerospace series - Glass fibre reinforced mouldings and sandwich composites - Production of t
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