DS DSEN 61249-4-12 2005-NOV-22 Materals for prnted boards and other nterconnectng structures - Part 4-12 Sectonal specfcaton set for prepreg materals unclad - Non-halogenated multfunctonal epoxde woven E-glass prepreg of defned flammablty
This part of EN 61249 gives requirements for properties of prepreg that is mainly intended to be used as bonding sheets in connection with laminates according EN 61249-2-7 when manufacturing multilayer boards in conformity with EN 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 brominated fire retardants con
