EVOH Nanofiber Membrane Filter Cartridge For Microelectronics Water
Prefiltration 0.1μM 10"
Description of Microelectronics Water Prefiltration
WECHANFIB PO/EVOH membrane filter cartridge adopts EVOH nanofiber
membrane, which is high flux, high uniformity, high compatibility
and high hydrophilicity. It is widely used in removal of particles
in chemical solution; removal of particles in deionized water;
removal of bacteria and particles in gases and liquids of food and
beverage, microelectronic and bio- pharmaceutical industries.
Application of Microelectronics Water Prefiltration
- CMP polishing liquid filtration;
- Pre-filtration of microelectronics water;
- Sterile filtration of liquid;
- Final filtration of beverage;
- Culture, medium and biological regent filtration.
Features of Microelectronics Water Prefiltration
- Absolute pore size ensures the filtration of large particles while
allowing effective particles to pass through;
- High flow rate with long service life;
- Good biological and chemical compatibility;
- 100,000-level clean room manufactured;
- 100% integrity test for every filter cartridge before delivery.
Operating Characteristic of Microelectronics Water Prefiltration
| Outer Diameter | 2.7”/69mm |
| Length | 5”/127mm 10”/254mm 20”/508mm 30”/762mm 40”/1016mm |
| Pore Size | 0.1, 0.2, 0.45, 0.7, 1.0μm |
| 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≥60KPa 50KPa pressure,diffusion flow＜10ml/min Anhydrous ethanol was used as the wetting solution at 25°C, and
compressed air was used to test the bubble point values against the
diffusion flows. |
| 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 Water Prefiltration
Material of Structure of Microelectronics Water Prefiltration
| Filter Media | EVOH(Ethylene vinyl alcohol copolymer) |
| Deflector Layer | Polypropylene |
| Enclosures/Ports | High Temperature Resistance Polypropylene |
| Adapter | Polypropylene |
| Seals | Silicone/EPDM |
Naming Regulations of Microelectronics Water Prefiltration
| WF | PL | | 0500 | 10 | A | S |
| Trademark | Form | Filtration Materials | Accuracy | length | Adapter | O ring |
| WECHANFIB | PLEATED | Blank EVOH | 0010 0.10μm | 5 5” | A 222/ FIN | S Silastic |
| | | 0022 0.22μm | 10 10” | B 222/Flat End Cap | E EPDM |
| | | 0045 0.45μm | 20 20” | C 226/ FIN | V FKM |
| | | 0070 0.7μm | 30 30” | D 226/ Flat End Cap | T PTFE |
| | | 0100 1.0μm | 40 40” | E DOE | |
| Wechange Pleated Filter Cartridge Products List |
| Membrane Material | Type No. | Application | Pore Size | Diameter | Length | Adaptor |
| μm | mm | inch |
| EVOH | WF-PL-0010-5-* | Beverage Final Filtration, Liquid Sterile Filtration,
Microelectronic Liquid Filtration; CMP Polishing Liquid Filtration;
Pharmaceutical Sterile Filtration; Buffer & Culture Medium
Filtration; | 0.1 | 69 | 5" | The "*" Indicate type of CONNECTOR and SEAL RING, they're customizable & have below option codes: 1,Connector: A 222/Fin B 222/End Cap C 226/Fin D 226/End Cap E DOE
2,Sealing Ring: S Silicone E EDPM(Ethylene Propylene Diene Monomer) V FKM(Fluororubber) T PTFE(Polytetra- fluoroethylene) |
| EVOH | WF-PL-0010-10-* | 0.1 | 69 | 10" |
| EVOH | WF-PL-0010-20-* | 0.1 | 69 | 20" |
| EVOH | WF-PL-0010-30-* | 0.1 | 69 | 30" |
| EVOH | WF-PL-0010-40-* | 0.1 | 69 | 40" |
| EVOH | WF-PL-0022-5-* | 0.22 | 69 | 5" |
| EVOH | WF-PL-0022-10-* | 0.22 | 69 | 10" |
| EVOH | WF-PL-0022-20-* | 0.22 | 69 | 20" |
| EVOH | WF-PL-0022-30-* | 0.22 | 69 | 30" |
| EVOH | WF-PL-0022-40-* | 0.22 | 69 | 40" |
| EVOH | WF-PL-0045-5-* | 0.45 | 69 | 5" |
| EVOH | WF-PL-0045-10-* | 0.45 | 69 | 10" |
| EVOH | WF-PL-0045-20-* | 0.45 | 69 | 20" |
| EVOH | WF-PL-0045-30-* | 0.45 | 69 | 30" |
| EVOH | WF-PL-0045-40-* | 0.45 | 69 | 40" |
| EVOH | WF-PL-0070-5-* | 0.7 | 69 | 5" |
| EVOH | WF-PL-0070-10-* | 0.7 | 69 | 10" |
| EVOH | WF-PL-0070-20-* | 0.7 | 69 | 20" |
| EVOH | WF-PL-0070-30-* | 0.7 | 69 | 30" |
| EVOH | WF-PL-0070-40-* | 0.7 | 69 | 40" |
| EVOH | WF-PL-0100-5-* | 0.1 | 69 | 5" |
| EVOH | WF-PL-0100-10-* | 1 | 69 | 10" |
| EVOH | WF-PL-0100-20-* | 1 | 69 | 20" |
| EVOH | WF-PL-0100-30-* | 1 | 69 | 30" |
| EVOH | WF-PL-0100-40-* | 1 | 69 | 40" |
General Description of Microelectronics Water Prefiltration:
The WECHANFIB nanofiber membrane filter cartridge adopts EVOH
nanofiber membrane, which has high flux, high uniformity, high
compatibility and high hydrophilicity. It is widely used in the
pre-filtration of microelectronic liquids. The 100% integrity test
before leaving the factory ensures the high quality of the product.
Application of Microelectronics Water Prefiltration:
1.CMP polishing liquid filtration
2.Electronic chemicals
3.Pre-filtration of microelectronics water
Features and Benefits of Microelectronics Water Prefiltration:
* Absolute pore size ensures the filtration of large particles
while allowing effective particles to pass through;
* High flow rate with long service life;
* Production environment in a 100,000-class clean room;
* 100% integrity test for filter cores before shipment;
* 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 Water Prefiltration:
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 |
EVOH(ethylene-vinyl alcohol copolymer) | Polypropylene | Polypropylene | Polypropylene | Silastic/EPDM |
Beer Clarification Filter Cartridge Performance:
| Maximum operation temperature | 80℃ |
| Maximum operation pressure | Forward direction :0.50 MPa(25±2℃) Reverse:0.24MPa(80±2℃) This product is not recommended for reverse use |
| Filtration areas | ≥0.68 m²/ 10 inch ≥2.04 m²/ 30 inch |
| Integrity test | Bubble Point≥60 KPa Under 50 KPa,Diffusion flow＜10 ml/min 25℃, ethanol as the wetting solution |
