Hepa filter testing dop penetration
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HEPA Filter Testing
Description: The requirement may be due to problems caused by the presence of particulates or physiological problems caused by viable airborne organisms. It is also used by air filter manufacturers and various testing agencies to make an aerosol to test the effectiveness of air filters. DOP dioctylpthalate is an oil commonly used with vinyl resins to make soft vinyl plastics. The penetration or efficiency of a filter is strongly affected by the particle size of the challenge aerosol.