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Micropores (i.e. those of molecular size) are analyzed by gas adsorption at very low pressures on state-of-the-art high vacuum systems. Resulting data are appropriately processed by the largest commercially available range of advanced computation methods.

Large macropores (i.e. over 0.5 microns, and up to ~900 um diameter) are analyzed by the forced intrusion of liquid mercury. And we take care of mercury disposal concerns.

Pores of intermediate size (mesopores) may be characterized by either gas sorption or mercury porosimetry.

Through-pores of textiles, papers and other sheet like materials are measured by capillary flow porometry (liquid expulsion porometry).

We will gladly discuss your application and make suitable suggestions as to which method is more appropriate.