Which company does the mask ventilation resistance test go to? Baijian.com is a collectively owned research institute with CMA and other qualifications recognized by the national metrology certification. It integrates testing, inspection, analysis, testing, technical consulting and other services. It has also been rated as a national high-tech enterprise and can carry out testing projects such as mask ventilation resistance testing. Having the national high-tech enterprise certificate and CMA testing qualification certificate, with complete testing instruments, the testing report can be issued within 7-15 days Testing items: Mask ventilation resistance testing, etc Testing standards

GB 19083-2010 Technical requirements for medical protective masks

GB/T 22927-2008 mask paper

GB/T 29864-2013 Test methods for textile anti pollen performance - Airflow method

GB/T 32610-2016 Technical specifications for daily protective masks

GB/T 38413-2019 Test methods for fine particle filtration performance of textiles

Generally, it takes 7 to 15 working days Please click on the bottom right corner to consult with an online engineer or call the toll free hotline for more information on testing costs