NF EN ISO 10352
Fibre-reinforced plastics - Moulding compounds and prepregs - Determination of mass per unit area and fibre mass per unit area
This document specifies a method for the determination of the mass per unit area. It also specifies five methods (Method A to Method E) for the determination of the fibre mass per unit area of moulding compounds and prepregs. The five methods are as follows: — Method A: Extraction by Soxhlet; — Method B: Extraction by immersion in solvent in a beaker; — Method C: Decomposition by loss ignition; — Method D: Extraction by wet combustion; — Method E: Method by calculation. This document is applicable to the following types of materials: — moulding compound and preimpregnated unidirectional sheet, tape, fabric and mats; — prepregs in which any type of reinforcement (aramid, carbon, glass, etc.) and any type of matrix (thermosetting or thermoplastic) has been used. Typically, reinforcement fibres are coated with sizing or finishes. These normally dissolve with the resin and are, therefore, included in the resin content. This document is not applicable to the following types of prepregs: — those containing reinforcements which are soluble (or partly soluble) in the solvents used to dissolve the resin.
This document specifies a method for the determination of the mass per unit area. It also specifies five methods (Method A to Method E) for the determination of the fibre mass per unit area of moulding compounds and prepregs. The five methods are as follows:
— Method A: Extraction by Soxhlet;
— Method B: Extraction by immersion in solvent in a beaker;
— Method C: Decomposition by loss ignition;
— Method D: Extraction by wet combustion;
— Method E: Method by calculation.
This document is applicable to the following types of materials:
— moulding compound and preimpregnated unidirectional sheet, tape, fabric and mats;
— prepregs in which any type of reinforcement (aramid, carbon, glass, etc.) and any type of matrix (thermosetting or thermoplastic) has been used.
Typically, reinforcement fibres are coated with sizing or finishes. These normally dissolve with the resin and are, therefore, included in the resin content.
This document is not applicable to the following types of prepregs:
— those containing reinforcements which are soluble (or partly soluble) in the solvents used to dissolve the resin.
Le présent document prescrit une méthode de détermination de la masse surfacique du mélange à mouler en feuilles, des rubans et feuilles avec renforts unidirectionnels, des tissus et mats préimprégnés. Sauf indication contraire précisée dans la spécification du matériau, le présent document est applicable aux préimprégnés, quelle que soit la nature du renfort (aramide, carbone, verre, etc.), indépendamment du système de résine thermodurcissable ou thermoplastique utilisé.
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1 Domaine d'application
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2 Références normatives
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3 Termes et définitions
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4 Principe
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5 Appareillage et réactifs
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6 Conditionnement et essais
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7 Éprouvettes
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8 Mode opératoire
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9 Expression des résultats
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10 Fidélité
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11 Rapport d'essai
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