Wuhan Wechange Technology Co., Ltd
WECHANGE change for you
Add to Cart
Description of Microelectronics liquid filtration
PTFE membrane filters providing the utmost assurance of chemical resistance, durability and critical filtration performance in aggressive fluids.
WECHANGE PTFE(polytetrafluoroethylene) membrane filters cartridge offer the highest level of assurance of chemical compatibility and filtration performance in aggressive chemicals, prolonged hot air service and other severe process conditions.
Our products delivers superior flow rates and long service life. The highly porous membrane is inherently hydrophobic and offers maximum chemical compatibility with minimal extractables in a wide range of fluids and applications. Support components are all-polypropylene.
Application of Microelectronics liquid filtration
Features of Microelectronics liquid filtration
Operating Characteristic of Microelectronics liquid filtration
| Outer Diameter | 2.7”/69mm |
| Length | 5”/127mm 10”/254mm 20”/508mm 30”/762mm 40”/1016mm |
| Pore Size | 0.1, 0.2, 0.45, 1.0, 3.0, 10μm |
| Max. Operation Temperature | 80℃ |
| Max. Operation Pressure | Forward direction: 0.5 MPa(25±2℃) 0.24MPa(80±2℃) *It not recommend for reverse use |
| Filtration Areas | 5”≥0.34m²; 10”≥0.68m²; 20”≥1.36m² 30”≥2.04m²; 40”≥2.72m² |
| Integrity Testing | Bubble Point≥60 KPa Under 50 KPa,Diffusion flow＜15 ml/min 25℃, ethanol as the wetting solution |
| Sterilization | 30 times (121.4℃,30 min offline high-pressure steam sterilization) |
| Bacterial Retention Capacity | Minimum retention rate 107 CFU/cm2 The product was tested against Serratia marcescens (ATCC14756) using ASTM F838 method. |
| Extractable Substance | ＜50 mg/m2 After high-pressure steam sterilization(121.4℃,60 min), 25℃±2℃ immersing in pure water for 24h |
| Biosafety | The endotoxin level＜0.25 EU/ml, and the extraction solution has no acute toxicity |
| Cleanliness | No fibers or other visible foreign objects were detected in the filtered liquid. *Lamp test according to the Chinese Pharmacopoeia 2020 edition <0904> |
Flow Rate of Microelectronics liquid filtration
Material of Structure of Microelectronics liquid filtration
| Filter Media | PTFE |
| Deflector Layer | Polypropylene |
| Enclosures/Ports | High Temperature Resistance Polypropylene |
| Adapter | Polypropylene |
| Seals | Silicone/EPDM |
Naming Regulations of Microelectronics liquid filtration
| WF | PL | F | 0045 | 05 | M | S |
| Trademark | Form | Filtration Materials | Accuracy | length | Adapter | O ring |
| WECHANFIB | PLEATED | PTFE | 0010 0.10μm | 5 5” | A 222/ FIN | S Silicone |
| 0022 0.22μm | 10 10” | B 222/Flat End Cap | E EPDM | |||
| 0045 0.45μm | 20 20” | C 226/ FIN | V FKM | |||
| 0100 1μm | 30 30” | D 226/ Flat End Cap | T PTFE | |||
| 0300 3μm | 40 40” | E DOE | ||||
| 1000 10μm |
| Wechange Pleated Filter Cartridge Products List | ||||||
| Membrane Material | Type No. | Application | Pore Size | Diameter | Length | Adaptor |
| μm | mm | inch | ||||
| PTFE | WF-PL-F-0005-5-* | Air Sterilization Filtration, Photoresist Filtration, Microelectronic Liquid Filtration, Semiconductor Process Gas Line Filtration, Crossive Solvent & Strong Oxidizing Liquid Impurity Filtration. | 0.05 | 69 | 5" | The "*" Indicate type of CONNECTOR and SEAL RING, they're customizable and have below option codes: (Fluororubber) |
| PTFE | WF-PL-F-0005-10-* | 0.05 | 69 | 10" | ||
| PTFE | WF-PL-F-0005-20-* | 0.05 | 69 | 20" | ||
| PTFE | WF-PL-F-0005-30-* | 0.05 | 69 | 30" | ||
| PTFE | WF-PL-F-0005-40-* | 0.05 | 69 | 40" | ||
| PTFE | WF-PL-F-0010-5-* | 0.1 | 69 | 5" | ||
| PTFE | WF-PL-F-0010-10-* | 0.1 | 69 | 10" | ||
| PTFE | WF-PL-F-0010-20-* | 0.1 | 69 | 20" | ||
| PTFE | WF-PL-F-0010-30-* | 0.1 | 69 | 30" | ||
| PTFE | WF-PL-F-0010-40-* | 0.1 | 69 | 40" | ||
| PTFE | WF-PL-F-0020-5-* | 0.2 | 69 | 5" | ||
| PTFE | WF-PL-F-0020-10-* | 0.2 | 69 | 10" | ||
| PTFE | WF-PL-F-0020-20-* | 0.2 | 69 | 20" | ||
| PTFE | WF-PL-F-0020-30-* | 0.2 | 69 | 30" | ||
| PTFE | WF-PL-F-0020-40-* | 0.2 | 69 | 40" | ||
| PTFE | WF-PL-F-0045-5-* | 0.45 | 69 | 5" | ||
| PTFE | WF-PL-F-0045-10-* | 0.45 | 69 | 10" | ||
| PTFE | WF-PL-F-0045-20-* | 0.45 | 69 | 20" | ||
| PTFE | WF-PL-F-0045-30-* | 0.45 | 69 | 30" | ||
| PTFE | WF-PL-F-0045-40-* | 0.45 | 69 | 40" | ||
| PTFE | WF-PL-F-0100-5-* | 1 | 69 | 5" | ||
| PTFE | WF-PL-F-0100-10-* | 1 | 69 | 10" | ||
| PTFE | WF-PL-F-0100-20-* | 1 | 69 | 20" | ||
| PTFE | WF-PL-F-0100-30-* | 1 | 69 | 30" | ||
| PTFE | WF-PL-F-0100-40-* | 1 | 69 | 40" | ||
| PTFE | WF-PL-F-0300-5-* | 3 | 69 | 5" | ||
| PTFE | WF-PL-F-0300-10-* | 3 | 69 | 10" | ||
| PTFE | WF-PL-F-0300-20-* | 3 | 69 | 20" | ||
| PTFE | WF-PL-F-0300-30-* | 3 | 69 | 30" | ||
| PTFE | WF-PL-F-0300-40-* | 3 | 69 | 40" | ||
| PTFE | WF-PL-F-1000-5-* | 10 | 69 | 5" | ||
| PTFE | WF-PL-F-1000-10-* | 10 | 69 | 10" | ||
| PTFE | WF-PL-F-1000-20-* | 10 | 69 | 20" | ||
| PTFE | WF-PL-F-1000-30-* | 10 | 69 | 30" | ||
| PTFE | WF-PL-F-1000-40-* | 10 | 69 | 40" | ||
WECHANFIB photoresist terminal filter cartridges are designed with high-flow, high-precision PTFE membranes, combined with a low-exudation HDPE frame. They exhibit ultra-low leaching and are specifically engineered for filtering photoresist. These cartridges are suitable for terminal filtration of photoresist.
1.Photoresist Filtration
2.For Microelectronic Liquid Filtration
* High filtration efficiency;
* PTFE membrane has broad chemical compatibility;
* Offers various filter precision options to meet different filtration requirements;
* Passes pre-delivery integrity inspection;
* Strict quality control system, complete production process flow;
* Short delivery period;
* Flexible payment method: T/T, L/C, West Union, Paypal;
* Free technical support;
* Other specific sizes can be customized;
Performance Specifications of Microelectronics liquid filtration :
Dimensions(nominal):
| OD | 69mm |
| Length | 10"(254mm)20"(508mm)30"(762mm)40"(1016mm) |
Material of Construction:
| Filter Media | Deflector layer | port | Enclosures/Ports | Seals Material |
| PTFE(polytetrafluoroethylene) | Polypropylene | Polypropylene | Polypropylene | Silastic/EPDM |
Beer Clarification Filter Cartridge Performance:
| Maximum operation temperature | 80℃ |
| Maximum operation pressure | 4.0bar/21℃ This product is not recommended for reverse use |
| Filtration areas | ≥1.00 m²/10 inch |
| Integrity test | Bubble Point≥60 KPa Under 50 KPa,Diffusion flow＜10 ml/min 25℃, ethanol as the wetting solution |