透气性是指空气（气流）等通过织物的性能。以在规定的试样面积、压降和时间条件下，气流垂直通过试样的速率表示，简称透气率。
对PTT针织面料的透气性、透湿性及导湿性等舒适性能进行了测试与评价。
PTT knitted fabrics comfort properties of air permeability, moisture permeability and moisture conductivity were tested and evaluated.
桑蚕丝具有较强的吸湿性、透气透湿性、以及极佳的防霉、防螨、抗菌特性。
The mulberry silk has strong moisture absorbability, moisture penetrability as well as preventing from mildew, acarid and antibacterial.
因此，对软包装材料透气透湿性（或阻隔性）的测试研究在包装测试中越来越重要。
Therefore, water vapor permeability of flexible packaging material (or barrier) of the test of testing more and more important in the packaging.
应用推荐