本规范涵盖舱壁、顶部和通风管道上使用的吸热和吸声多孔聚酰亚胺泡沫隔热材料。本规范还涵盖了船上应用中，在温度高达600华氏度的管道上使用的预制隔热管（见6.1）。

This specification covers thermal and acoustic absorptive cellular polyimide foam insulation for use on bulkheads, overheads, and ventilation ducting. This specification also covers preformed thermal pipe insulation for use on piping operating at temperatures up to 600 degrees F in shipboard applications (see 6.1).