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download between 0-24 hoursReleased: 2005-09-22
IEC 61249-4-11:2005
Materials for printed boards and other interconnecting structures - Part 4-11: Sectional specification set for prepreg materials, unclad - Non-halogenated epoxide, woven E-glass prepreg of defined flammability
Matériaux pour circuits imprimés et autres structures d'interconnexion - Partie 4-11: Série de spécifications intermédiaires pour matériaux préimprégnés, non plaqués - Tissu de verre époxyde préimprégné de type E non halogéné d'inflammabilité définie
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| Standard number: | IEC 61249-4-11:2005 |
| Released: | 2005-09-22 |
| Language: | English/French - Bilingual |
DESCRIPTION
IEC 61249-4-11:2005
This part of IEC 61249 gives requirements for properties of prepreg that is mainly intended to be used as bonding sheets in connection with laminates according IEC 61249-2-7 when manufacturing multilayer boards according to IEC 62326-4. This material may be also used to bond other types of laminates. Prepreg according to this standard is of defined flammability (vertical burning test). The flammability rating on fully cured prepreg is achieved through the use of non-halogenated fire retardants contained as an integral part of the polymeric structure. After lamination according to the supplier's instructions, the glass transition temperature is defined to be 120 °C minimum.