The textile airflow resistance tester is used to determine the anti-penetration properties of ordinary fabrics and medical protective masks to airflow at a constant flow rate . It is mainly used for the determination of air penetration of textiles ,cotton, and space cotton. The tester is one of the important means to identify the comfort and hygiene of clothing textiles, especially medical textiles. Standards BS En 14683-2005 Surgical masks - Requirements and test methods GB 19083-2010 Technical requirements of surgical masks GB2626-2006 Respiratory protective products-Self-priming filtering particulate respirator overview YY 0469-2011 Surgical masks YYT 0969-2013 Disposable surgical masks Features The instrument consists of a air source that can regulate the flow rate, a sample holding device, and an air pressure measurement system. Sample chuck made of stainless steel with built-in rubber washer ensures that the gas leak will not occur...