PERMEABILITY TEST OF NON-METAL MATERIALS Abstract: This paper introduces some conventional permeability test methods to non-metal materials such as the polyurethane foam ( soft or semi-hard foam ), textile, leather.

• 车用非金属材料的透气度检测摘要:介绍了几种主要车用非金属材料,如:聚氨脂泡沫塑料(软质或半硬质泡沫材料)、纺织品、皮革等的透气度检测方法:关键词:压降;流量;空气透过率;空气流通阻力。