Used for testing the air permeability of all kinds of woven fabrics, knitted fabrics, nonwovens, coated fabrics, industrial filter materials and other breathable leather, plastics, industrial paper and other chemical products. GB/T5453、GB/T13764,ISO 9237、EN ISO 7231、AFNOR G07,ASTM D737,BS5636,DIN 53887,EDANA 140.1,JIS L1096,TAPPIT251 1. Adopted high precision imported micro pressure sensor, the measurement results are accurate, good такроршавандагӣ. 2. Экрани калони ранги экрани экран ...