Applicable for class 3 surgical face mask-(Astm level 3) class 3 surgical masks include 4 layers of construction which offer clinicians comfort, protection, and breathability that they seek. Designed for fluid protection. Definition of splash resistance test- ‘Resistance of medical face mask to penetration by synthetic blood’. This test method is used to evaluate the resistance of medical face masks to penetration by the impact of

Once again I am with you a new Information- about mask testing Exhalation Valve Air Leak Proof Tester Exhalation valves are a critical component of industrial respirators. They are designed to permit minimal inward leakage of air contaminants during inhalation and provide low resistance during exhalation. Under normal conditions, penetration of aerosol through exhalation valves is minimal. Working-The exhalation valve acts

Hi Guys, After a long I am back with extension of the face mask/surgical mask tests & Test Methods. In previous blog had discussed on Micron particulate filtration efficiency Test 0.1μ -(PFE) testing of Face /Surgical Mask. Today we will discuss on another essential Test that is called Differential Pressure Test Definition – It is