Materials for printed boards and other interconnecting structures - Part 2-2: Reinforced base materials, clad and unclad - Phenolic cellulose paper reinforced laminated sheets, high electrical grade, copper-clad
印刷电路板及其他互连结构材料 - 第2-2部分:强化基材 包层和不包覆 - 酚醛纤维素纸加强复合板 高电级 铜包层
This part of IEC 61249 gives requirements for properties of phenolic cellulose paper, reinforced copper-clad laminated sheets of high electrical grade in thicknesses of 0,8 mm to 3,2 mm. This standard covers materials with different requirements on flammability and are designated according to the following: Material 61249-2-2-1; Material 61249-2-2-2; and Material 61249-2-2-3.