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PTFE Membrane Filter
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Chemplus® PTFE Membrane Filter
PTFE membrane is a naturally hydrophobic filter made of polytetra-fluorethylene laminated with PP layer.
Excellent chemical resistance (PH 1-14), they are used also for solvents and acids.
Due to its hydrophobic characteristics, it must be pre-wetted with ethanol or methanol before the filtration of aqueous solutions. However, Chemplus does offer the hydrophilic PTFE membrane for easy filtration.
Hydrophobic PTFE Membrane Filters
■ Thin, highly porous membrane filter ■ Behaves as an absolute retentive membrane ■ Underside laminated with polypropylene to improve handling ■ Inert to most aggressive solvents, including strong acids and b ases ■ Use to sterilize gasses, vent gas from aqueous solutions, or st erilize or clarify aggressive chemicals |
 |
Hydrophilic PTFE Membrane Filter
■ Maximal chemical and pH resistance ■ High flow rates with minimal aqueous extractable (<0.3wt%) ■ Optically clear when wet with water ■ Ideal for HPLC and other mixtures of aqueous and organic solv ents |
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Order information
|
Diameter |
Pore size (μm) |
Quantity (pcs)/pack |
Part Number |
|
PTFE/B 25mm |
0.22 |
200 |
CPMFPTFE2522-B |
|
PTFE/B 25mm |
0.45 |
200 |
CPMFPTFE2545-B |
|
PTFE/L 25mm |
0.22 |
200 |
CPMFPTFE2522-L |
|
PTFE/L 25mm |
0.45 |
200 |
CPMFPTFE2545-L |
|
PTFE/B 47mm |
0.22 |
200 |
CPMFPTFE4722-B |
|
PTFE/B 47mm |
0.45 |
200 |
CPMFPTFE4745-B |
|
PTFE/L 47mm |
0.22 |
200 |
CPMFPTFE4722-L |
|
PTFE/L 47mm |
0.45 |
200 |
CPMFPTFE4745-L |
|
Chemplus PTFE |
Other pore sizes or diameters are available upon request |
||
PTFE Membrane Data Sheet
|
Membrane Mateial |
Pore Size(μm) |
Average Bubble Point(Mpa) |
Thickness(μm) |
Flow Rate (mL/min/cm2) |
|
Hydrophobic PTFE |
0.10 |
0.2-0.22( Alcohol ) |
165±25 |
4-8 |
|
Hydrophobic PTFE |
0.22 |
0.13-0.17 ( Alcohol ) |
165±25 |
17-22 |
|
Hydrophobic PTFE |
0.45 |
0.08-0.12( Alcohol ) |
165±25 |
35-45 |
|
Hydrophobic PTFE |
1.0 |
0.04-0.06( Alcohol ) |
165±25 |
50-70 |
|
Hydrophobic PTFE |
3.0 |
0.03-0.04( Alcohol ) |
165±25 |
90-120 |
|
Hydrophobic PTFE |
5.0 |
0.02-0.03( Alcohol ) |
165±25 |
250-320 |
|
Hydrophilic PTFE |
0.22 |
0.34-0.45 (Water) |
165±25 |
10-18 |
|
Hydrophilic PTFE |
0.45 |
0.2-0.3(Water) |
165±25 |
25-35 |
Key words：
PTFE Membrane Filter
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