NF EN ISO 295
Plastics - Compression moulding of test specimens of thermosetting materials
ISO 295:2004 establishes the general principles and lays down the procedure to prepare test specimens of heat- and pressure-moulded thermosetting material from different moulding compounds, specifies the details for test specimen preparation to be included with the test reports on properties and gives the general principles for the design of the mould intended for the preparation of the test specimens. The method applies to phenolic resin, aminoplastic, melamine/phenol, epoxy and unsaturated polyester-based thermosetting powder moulding compounds (PMCs). Special methods for preparing test specimens required because of the nature of certain moulding compounds, their flow properties or other variable factors, are not considered.
ISO 295:2004 establishes the general principles and lays down the procedure to prepare test specimens of heat- and pressure-moulded thermosetting material from different moulding compounds, specifies the details for test specimen preparation to be included with the test reports on properties and gives the general principles for the design of the mould intended for the preparation of the test specimens. The method applies to phenolic resin, aminoplastic, melamine/phenol, epoxy and unsaturated polyester-based thermosetting powder moulding compounds (PMCs). Special methods for preparing test specimens required because of the nature of certain moulding compounds, their flow properties or other variable factors, are not considered.
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions2
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4 Appareillage3
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5 Conditionnement du matériau avant moulage6
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6 Préparation de la charge7
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7 Conditions de moulage7
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7.1 Généralités7
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7.2 Séchage7
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7.3 Préchauffage par haute fréquence8
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7.4 Préplastification8
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7.5 Agents de démoulage8
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7.6 Dégazage9
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8 Mode opératoire9
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9 Fidélité9
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10 Rapport de moulage9
- Annexe A (informative) Marquage des éprouvettes11
- Bibliographie12
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