Monday, June 17, 2013

Write the full meaning of DOP & HEPA and its efficiency.



1.Write the full meaning of DOP & HEPA and its efficiency.
DOP  : Dioctyl Phthalate .Dioctyl Pthanate test is used to determine the integrity of HEPA filters.

HEPA: High Efficiency Particulate Air Filter (HEPA) is a filtering system. HEPA filter capable of retaining 99.97 percent of particles as small as 0.3 mm. It is a disposable, extended media dry type filter in a rigid frame.
Efficiency: 99.97%

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