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High-Retention, High-Flux Hydrophobic PTFE Capsule Filters & Cartridges from China Suppliers & Factory
Typical Applications
Vents for Fermentation Tanks, Storage Tanks, etc.
Sterilizing Filtration of Compressed Air, O2, N2, etc.
Product Specifications
[Working Conditions]
Max. Operating Temp) 80°C
Max. Operating DP: 0.55 MPa @ 25°C
0.1 MPa @ 80°C
0.1 MPa @ 80°C
[Biological Safety]
Endotoxin: < 0.25 EU/mL
Biocompatibility: Complies with USP <87>, No potential cytotoxicity
Complies with USP <88> Class VI Biological Reactivity requirements for plastics
[ Sterilization Methods ]
ChallengeFilair®PTFE Capsule Filters :Autoclave (50 cycles).
ChallengeFilair®PTFE Cartridge Filters : Autoclave and Steam-in-Place (SIP).
[0.2um Gas&Air Capsule Filters Flow Rate Performance]
Frequently Asked Questions
Q1: What are the typical applications for these PTFE filters?
A1: They are primarily used as vents for fermentation tanks, storage tanks, and for the sterilizing filtration of compressed air, O2, N2, and other gases.
Q2: What is the maximum operating temperature allowed?
A2: The maximum operating temperature for these filters under working conditions is 80°C.
Q3: What are the maximum operating differential pressure (DP) specifications?
A3: The maximum operating DP is 0.55 MPa at 25°C and 0.1 MPa at 80°C.
Q4: Do these filters meet biological safety standards?
A4: Yes. They have endotoxin levels < 0.25 EU/mL, comply with USP <87> for no potential cytotoxicity, and meet USP <88> Class VI Biological Reactivity requirements for plastics.
Q5: How can the ChallengeFilair® PTFE Capsule Filters be sterilized?
A5: ChallengeFilair® PTFE Capsule Filters can be autoclaved for up to 50 cycles.
Q6: What is the sterilization method for the Cartridge Filters?
A6: ChallengeFilair® PTFE Cartridge Filters support both Autoclave and Steam-in-Place (SIP) sterilization methods.





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