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Particle analysis

PentaFoam 5200e For The
Characterization of Foams

 

The cell type of porous materials correlates with performance attributes such as strength, fluid exclusion (or acceptance) and insulating properties. Closed cells impart water resistance, thermal insulation, buoyancy and resilience. Open cells determine properties related to filtration, acoustics and wicking.

The standard technique used to characterize foams is gas expansion from a calibrated sample chamber into a reference volume. The solid and closed cell volume of the sample is calculated from the relationship of the calibrated cell volumes and the pressures before and after expansion. The closed cell percentage is calculated from the solid volume and the measured geometric volume of a rectangular or cylindrical sample. Open cell % is calculated by difference (100%-open cell % = closed cell %). Density is calculated from mass (weight)/volume and is reported as grams/cc.

The PentaFoam 5200e conform to ASTM D6226 "Standard Test Method for Open Cell Content of Rigid Cellular Plastics."

 

Instrument appearance and colors subject to change.

 

Sample Preparation Kit
For cutting 1" cubes and circular disks. Included with every PentaFoam 5200e.


Foam Cutting Kit

 

PDF File The Role of Porosity
A look at the application of porosimetry and pycnometry in reconstructive surgery and wound care biopolymers. more...