IEC 61249的本部分给出了厚度为0.8mm至3.2mm的酚醛纤维素纸增强覆铜层压板的性能要求。本标准涵盖了对可燃性有不同要求的材料，根据以下内容指定:材料61249-2-1-1:通用级，未规定可燃性要求；材料61249-2-1-2:规定可燃性的材料（垂直燃烧试验）。这些等级的材料包括两种易燃性要求之一，指定为FV0或FV1。

This part of IEC 61249 gives requirements for properties of phenolic cellulose paper reinforced copper-clad laminated sheets, economic grade in thicknesses of 0,8 mm up to 3,2 mm. This standard covers materials with different requirements on flammability, designated according to the following: Material 61249-2-1-1: general purpose grade, requirement on flammability not specified; and Material 61249-2-1-2: materials of defined flammability (vertical burning test). These grades of material cover one of two flammability requirements, designated at FV0 or FV1.