硬泡聚氨酯保温防水工程技术规范
硬泡聚氨酯保温防水工程技术规范-
阐述了《硬泡聚氨酯保温防水工程技术规范》制定的必要性，介绍了国标中的材料分类及各种型号的材料的物理性能指标，指出了材料选用的原则。
The article describes necessity for developing 《 Technical code for polyurethane rigid foam insulation and waterproofing engineering 》 and introduces material classification in the code as well as indexes of physical properties of various materials . And it also lists principles for material selection .