Length Weight Fiber Distribution
March 1, 2017
One of many ways to characterize fiber mats is by the average fiber diameter distribution. There are many ways to define the
Test Equipment
Residual Life Indicator: Chemical Vapor Pulse Method
February 1, 2017
Filter performance failure can result from (1) loss of physical capacity, (2) loss of impregnant reactivity, and (3) loss of mechanical integrity
Filter Aid Permeability Test Method
January 1, 2011
Permeability is a measure of rate of liquid flowing through a porous medium or a particulate filter cake. It is an important
Measurement of Porosity Using a Custom-made Pycnometer
January 1, 2011
Introduction Porosity, permeability, and pore size distribution are three closely related concepts important to filter design and filter performance. Porosity is a
Measurement of Filter Permeability Using Frazier Air Permeability Tester
January 1, 2011
Introduction Permeability is a measure of the ease of a fluid that passes through the filter medium. It is one of the