Supported Hydrophobic PTFE Membrane Filters

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Supported Hydrophobic PTFE Membrane Filters

	Thin, highly porous membrane filter
	Behaves as an absolute retentive membrane
	Underside laminated with polyproplene to improve handling
	Inert to most agressive solvents, including strong acids and bases
	Use to sterilize gasses, vent gas from aqueous solutions, or sterilize or clarify aggressive chemicals

Magnification of Hydrophobic PTFE filter.

Also available as syringe filter units.

Product Specifications: Supported Hydrophobic PTFE Membrane Filters

Click here for chemical compatiblity information.

Pore Size (μm)	Bubble Point¹		Flow Rates²		Porosity³ (%)	Maximum Operating Temperature (°C)	Water Break-Through		Thickness (μm)
Pore Size (μm)	MPa	psi	Acetone (mL/min/cm²)	Air (L/min/cm²)	Porosity³ (%)	Maximum Operating Temperature (°C)	MPa	psi	Thickness (μm)
0.10	≥0.14	≥20.3	39.1	2.5	72	120	>0.40	>58.0	130
0.20	≥0.097	≥14.1	61.4	4.5	72	120	0.28	40.0	130
0.50	≥0.058	≥8.5	110	7.5	74	120	0.14	20.1	120
1.00	≥0.029	≥4.3	445	17	76	120	0.05	7.0	90

Notes:
1. Bubble Point is the minimum pressure required to force air through a membrane which has been prewet with isopropylalcohol.
2. Flow rates determined under constant vacuum 0.7 kg/cm² (10 psi).
3. Porosity refers to the percent open area.

Ordering Information: Supported Hydrophobic PTFE Membrane Filters

Choose the appropriate Pore Size and Membrane Diameter from the chart below to select a catalog number. Hydrophobic PTFE Membrane filters are available as nonsterile, plain white disks in the packaging listed below. Product certification is available upon request.
For price and availablity of any membrane filter, call us at 1-800-334-7132 or click here to contact us by email.

Plain White Disks

Pore Size (μm)	φ13 mm	φ25 mm	φ47 mm	φ90 mm	φ142 mm	φ293 mm
Pore Size (μm)	Package of 100			Package of 25		Package of 10
0.10	J010A013A	J010A025A	J010A047A	J010A090C	J010A142C	J010A293D
0.20	J020A013A	J020A025A	J020A047A	J020A090C	J020A142C	J020A293D
0.50	J050A013A	J050A025A	J050A047A	J050A090C	J050A142C	J050A293D
1.00	J100A013A	J100A025A	J100A047A	J100A090C	J100A142C	J100A293D

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