HPTFE Series
2022-12-18 Click：
mported modified PTFE filter membrane is adopted in the product as filter media. The product is produced by overall structure sweat welding. The filter membrane is hydrophobic after being modified, and it overcomes the feature of PTFE hydrophobicity.
Features:
Features:
●The filter membrane is hydrophilic with absolute filtration accuracy;
● Low protein adsorption performance;
● Extremely low precipitates;
● High temperature resistance, corrosion resistance and wide chemical compatibility;
Typical applications:
Typical applications:
● High temperature liquid particle removal filtration;
● Acid, alkaline and corrosive liquid filtration;
● Filtration of high viscosity liquid;
● Terminal filtration of high purity chemical agents;
● Filtration of photoresist, developer and etchant;
Quality assurance:
● ISO9001: 2008 guaranteed quality management system;
● Traceability management system of each filter;
● Filter elements are flushed and pass integrity test before filter elements are left from the factory;
● The batch passes through bacterial challenge test for confirming 100% bacteria interception ability;
Biological safety:
Biological Safety: The product materials comply with USP in-vivo VI-121 ℃ plastic biological response test.
Endotoxin: <0.25EU/ml;
Cleanliness: The product is in line with 2010 GMP requirements on injection of particles;
Readily oxidizable substance: the substance should be in line with 2010 GMP test requirements of particle contents in injections after water rinsing for 2000ml;
TOC/conductivity: after the product is flushed with 20L injection water at 25 ℃ (10〃) . It is in line with requirements of 2010 GMP on total organic carbon contents and conductivity in injection water.
Filter element material composition:
Filter membrane | Hydrophilic PTFE filter membrane |
Diversion material | Polypropylene |
Outer shell | Polypropylene |
Seal ring | Please see Filter Element Model Selection Table |
| Center rod | Polypropylene or 316L stainless steel |
Integrity test:
Aperture(um) | 0.1 | 0.2 | 0.45 | 0.65 |
The lowest bubbling point in pure water(MPa) | ≥0.42 | ≥0.25 | ≥0.18 | ≥0.12 |
Main application technical indicators:
Maximum operating temperature | 90℃/0.1MPa |
Maximum operating pressure difference | 0.42MPa/25℃ |
Recommended operating pressure difference | 0.1-0.2MPa/25℃ |
Maximum back-pressure difference | 0.2MPa/25℃ |
Effective filtration area (10 inches) | ≥0.6㎡ |
Forward online steam sterilization (135 ℃) | 30min/time |
Disinfection by Disinfection cabinet (121 ℃) | 30min/time |