PTFE Hydrophobic (unsupported)

Hydrophobic PTFE Membrane Filters (Unsupported)

	Thin, highly porous membrane filter
	Behaves as an absolute retentive membrane
	Inert to most agressive solvents, including strong acids and bases
	Operating temperature range: -120~260°C
	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: Hydrophobic PTFE Membrane Filters

Click here for chemical compatiblity information.

Pore Size (μm)	Bubble Point¹		Flow Rates²		Porosity³ (%)	Maximum Operating Temperature (°C)	Thickness (μm)
Pore Size (μm)	MPa	psi	Acetone (mL/min/cm²)	Air (L/min/cm²)	Porosity³ (%)	Maximum Operating Temperature (°C)	Thickness (μm)
0.10	≥0.12	≥17.4	27.0	-	68	260	70
0.20	≥0.091	≥13.2	55.0	-	74	260	80
0.50	≥0.063	≥9.1	100	-	78	260	75
0.80	≥0.039	≥5.7	200	-	76	260	75
1.00	≥0.031	≥4.5	300	-	79	260	75
3.00	≥0.013	≥1.9	750	-	83	260	75

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: 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	T010A013A	T010A025A	T010A047A	T010A090C	T010A142C	T010A293D
0.20	T020A013A	T020A025A	T020A047A	T020A090C	T020A142C	T020A293D
0.50	T050A013A	T050A025A	T050A047A	T050A090C	T050A142C	T050A293D
0.80	T080A013A	T080A025A	T080A047A	T080A090C	T080A142C	T080A293D
1.00	T100A013A	T100A025A	T100A047A	T100A090C	T100A142C	T100A293D
3.00	T300A013A	T300A025A	T300A047A	T300A090C	T300A142C	T300A293D

PTFE Hydrophobic (unsupported)

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