PTFE 0.2μm Sterilizing-Grade Cartridge Filters

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The Alioth Alipore??TAHF series features a hydrophobic and chemically inert PTFE (polytetrafluoroethylene) filter membrane. This product efficiently retains microorganisms and particles in wet or humid gas through stringent liquid bacteria retention verification. It offers high strength and resistance to multiple steam sterilizations in place. The TAHF series is suitable for sterile gas filtration and organic solvent filtration with strict quality requirements in pharmaceutical applications.

Depth Stacked DataSheet

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• Natural hydrophobic material.

• High gas flux and low-pressure drop.

• Reliable bacterial retention and particles removal ability.

• Excellent chemical compatibility.
• Sterile gas filtration

• VentSterile filtration of most organic solvents

Product Specifications—Cartridge Filter

Product Specifications		5 inch	10 inch	20 inch	30 inch
	Diameter Maximum Length	69 mm 150 mm	69 mm 320 mm	69 mm 560 mm	69 mm 800 mm
Materials of Construction	Membrane	Polytetrafluoroethylene (PTFE)
	Supporting Layer	Polypropylene (PP)
	O-rings	Silicone、Ethylene propylene diene monomer（EPDM）
	Core/Cage/End caps/Housing	Polypropylene (PP)
Integrity testing	Bubble Point	≥1200 mbar（17.4 psi）(wetted with 60% IPA, 20℃, compressed air)
	Diffusion Flow	Test pressure 1040 mbar (15 psi)（wetted with 60% IPA ,20℃, compressed air ）
		≤6.5 mL/min	≤13 mL/min	≤26 mL/min	≤39 mL/min
	Water Intrusion	Test pressure 2500 mbar (36 psi) （20℃, compressed air ）
		≤0.25 mL/min	≤0.5 mL/min	≤1.0 mL/min	≤1.5 mL/min
Working characteristics	Maximum Differential Pressure	Forward: 7.0 bar（101.5 psi）@ 25°C/3.0 bar（43.5 psi）@ 80°C Reverse: 2.0 bar（29.0 psi）@ 25°C
	Sterilization Resistance	In-line steam: 135℃, 60 min, 25 cycles Autoclave: 135℃, 60 min, 25 cycles
	Filtration Area	0.35 m²	0.7 m²	1.4 m²	2.1 m²
	Pore Size	0.2 μm
	Bacterial Retention	>10⁷ cfu/cm² B. diminuta ( ATCC^® 19146^TM )
	Biological Safety	All construction components meet the biological safety requirements refering to USP<88> Class VI plastic and USP<87>
	Indirect Food Additive	All component materials meet the requirements of Indirect Food Additive cited in EU 1935/2004/EC and FDA 21 CFR 177-182
	Cleanliness	Meets the requirements for a ‘non-fiber releasing’ filter defined in FDA 21 CFR 211.72 and 210.3 (b) (5) (6), and particulate matter meets the requirements of USP<788>
	Endotoxin	Endotoxin﹤0.25 EU/mL by LAL test method, which complies with the requirements of USP<85>
	Manufacturing Integrity	100% integrity test passed
	Manufacturing Environment	Manufactured in conformance with cGMP

Test Results of Flow Differential Pressure

Air Flow Rate and Pressure Drop-Alipore^® TAHF 0.2μm Cartridge Filters

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PTFE 0.2μm Sterilizing-Grade Cartridge Filters