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Wenman Scientific

• pore size permeability
• wide variety of sheet materials
• max/min pore sizes
• mean pore size
• pore size distribution

	Datasheets	Selected specifications
	WSI-Corp Porometer 3G and 3Gz	Methodology Pore Size: Liquid Displacement Porometer using continually increasing pressure of dry gas to expel wetting fluid. Permeability: Single pressure stabilization for fixed time based on percent pressure or flow. Pore size range: 3G: 500 - 0.05µm 3Gz: 500 - 0.04µm Pressure ranges 3G: 0 - 0.8 bar and 0 - 13 bar 3Gz: 0 - 0.8 bar, 0 - 13 bar and 0 - 16 bar
	WSI-Corp Porometer Micro	Methodology Pore Size: Liquid Displacement Porometer using continually increasing pressure of dry gas to expel wetting fluid. Permeability: Single pressure stabilization for fixed time based on percent pressure or flow. Pore Size Range: 100µm - 0.09µm diameter Pressure ranges: 0 - 0.3 bar and 0 - 7 bar
	WSI-Corp Porometer Nano (Please call or e-mail for draft product information.)	Liquid-Liquid Displacement Porometer Pore Size Range: To 2 nm The Nano is a product that focuses solely on the nanopore size range. The limit for using gas to displace the liquid is about 18 nm because of the high pressures required. Use of a liquid to displace the liquid changes things a lot since the interfacial tension between the liquids is a lot lower than the surface tension between a gas and liquid. This means that for a given pressure the liquid liquid method measures smaller pores. The <2 nm size is only applicable to this method and this is only offered on the Nano.
	Porometry Application Notes	Applications all types of filtration media woven and non-woven materials membrane filters oil, fuel and air filters paper sintered metal filters woven metal and plastics battery separators and electrodes porous plastic sheets ceramics porous rock geotextiles gas and liquid permeabilities

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