标准摘要
[中文适用范围]： IEC 61249 的这一部分规定了预浸料的性能要求，在按照 IEC 62326-4 制造多层板时，预浸料主要用作与符合 IEC 61249-2-11 的层压板相关的粘合片。该材料也可用于粘合其他类型的层压板。根据该标准的预浸料具有规定的可燃性（垂直燃烧测试）。完全固化的预浸料的可燃性等级是通过使用作为聚合物结构的组成部分的溴化阻燃剂来实现的。根据供应商的说明固化后，玻璃化转变温度定义为最低 170 ℃。 [外文原描述]： 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 to IEC 61249-2-8 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 brominated fire retardants contained as an integral part of the polymeric structure. After curing of the prepreg according to the supplier's instructions, the glass transition temperature is defined as 150 °C minimum.
英文名称Materials for printed boards and other interconnecting structures - Part 4-5: Sectional specification set for prepreg materials, unclad - Polyimide, modified or unmodified, woven E-glass prepreg of defined flammability