标准摘要
[中文适用范围]： 给出了 PUR-U-4 至 PUR-U-8 类固化形式的未填充聚氨酯树脂化合物的要求，灰分含量不超过 6%。 [外文原描述]： Gives the requirements for unfilled polyurethane resinous compounds in the cured form for classes PUR-U-4 to PUR-U-8 with an ash content of not more than 6 %.
英文名称Resin based reactive compounds used for electrical insulation - Part 3: Specifications for individual materials - Sheet 3: Unfilled polyurethane compounds