SYMPOSIA PAPER Published: 01 January 1986
STP42087S

Results of ASTM Round Robin Tests on Filter Efficiency Using Latex Spheres and on Airflow Resistance

Source

A study was run to determine the appropriateness of the proposed ASTM filter efficiency standard procedure [3] at the designated limits of latex sphere diameter and face velocity. An analysis of variance of filter performance from six laboratories was performed in the form of a 22 factorial designed experiment with the variable levels: latex sphere diameter (microns) at .62, .90, 2.02 and face velocity (cm/s) at 1, 5, and 25. Observations were also made on the precision of the ASTM F778-82 Gas Flow Resistance Of Filter Media Standard.

Author Information

Japuntich, Daniel, A.
3M Company 230-BS-06, St. Paul, MN
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Details
Developed by Committee: F21
Pages: 152–164
DOI: 10.1520/STP42087S
ISBN-EB: 978-0-8031-6046-0
ISBN-13: 978-0-8031-6200-6