0.45μm PTFE Cartridge Filter 30" Length for Pharmaceutical Air Sterilization and Chemical Filtration
WECHANGE PTFE membrane filter cartridges provide superior chemical resistance, durability, and critical filtration performance for aggressive fluids and demanding process conditions. These hydrophobic filters deliver exceptional flow rates with minimal extractables and are manufactured in 100,000-level clean rooms.
- Solvent and strong oxidizing liquid impurity filtration
- Aseptic air intake and exhaust filtration for fermentation, storage, and ingredient tanks
- Air sterilization and food/beverage water filtration
- Sterile filtration of corrosive gases
- Photoresist filtration in semiconductor manufacturing
- Liquid and air filtration in microelectronic industry
| Parameter | Specification |
|---|---|
| Outer Diameter | 69mm (2.7") |
| Available Lengths | 5" (127mm), 10" (254mm), 20" (508mm), 30" (762mm), 40" (1016mm) |
| Pore Size Options | 0.05μm, 0.1μm, 0.2μm, 0.45μm, 1.0μm, 3.0μm, 10μm |
| Max Operating Temperature | 80°C |
| Max Operating Pressure | 0.5 MPa at 25°C, 0.24 MPa at 80°C |
| Filtration Area (30" model) | ≥2.04 m² |
| Sterilization Cycles | 30 cycles (121.4°C, 30 min steam sterilization) |
- 100% integrity testing before delivery
- Bubble point ≥60 KPa with ethanol wetting solution
Minimum retention rate 10⁷ CFU/cm² tested against Serratia marcescens (ATCC14756) using ASTM F838 method
Endotoxin level <0.25 EU/ml, extraction solution shows no acute toxicity
| Component | Material |
|---|---|
| Filter Media | PTFE (Polytetrafluoroethylene) |
| Support Components | Polypropylene |
| Seals | Silicone, EPDM, FKM, or PTFE options |
Available with various connector types (222/Fin, 222/Flat End Cap, 226/Fin, 226/Flat End Cap, DOE) and sealing ring materials (Silicone, EPDM, FKM, PTFE) to meet specific application requirements.
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