ISO 18672-1:2009规定了管道、配件、接头、材料、试验方法和标记的定义、要求和特性，这些管道和配件由聚酯树脂混凝土（PRC）制成，拟用于排水或下水道系统中，无压力运行。它适用于通过明沟技术或顶管安装的埋地装置中使用的产品。 适用于公称尺寸为DN 150至DN 3000（圆形截面）、WN/HN 300/450至WN/HN 1400/2100（蛋形截面）和DN 800至DN 1800（风筝形截面）的管道、管件及其接头。

ISO 18672-1:2009 specifies definitions, requirements and characteristics of pipes, fittings, joints, materials, test methods and marking for pipes and fittings made from polyester resin concrete (PRC), intended to be used within a drain or sewer system operating without pressure. It applies to products for use in buried installations to be installed by open-trench techniques or pipe jacking. It applies to pipes, fittings and their joints of nominal sizes from DN 150 to DN 3000 for circular cross-sections, from WN/HN 300/450 to WN/HN 1400/2100 for egg-shaped cross-sections and from DN 800 to DN 1800 for kite-shaped cross-sections.