Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Polymer Name
- Technologies
Features & Benefits
- Materials Features
- Characteristics
Porous PTFE represents a competitive alternative to the expanded e-PTFE and it is characterized by the following main properties:
- Air flow rates: up to 20 l/hr/cm² at 20 mbar
- Water intrusion pressure (WIP): up to 1,2 bar
- Average pore diameter: up to 50 μm
Applications & Uses
- Applications
- Plastics & Elastomers End Uses
- Uses
It is mainly used for the production of filters (dust and water purification filters as well as precision filters for medical/clinical and life science applications ), optical parts (reflectors, spectrometers, photometers), acoustic / sound dampening components (wind screens for microphones, air regulator for speakers) and electrical / electronic insulating items.
Properties
- Typical Properties
Value | Units | Test Method / Conditions | |
Porosity Degree | Low porosity | — | — |
Bulk Density | 690 | g/L | ASTM D4894 |
Specific Gravity | 1.7 | g/cm³ | INTERNAL |
Tensile Strength (Cross Direction) | 8,0 | MPa | ASTM D4894 |
Elongation at Break (Cross Direction) | 80 | % | ASTM D4894 |
Water Intrusion Pressure (P H2O) | 0,55 | bar | INTERNAL |
Air Flow (ΔP 10 mbar) | 0,40 | l/hr.cm² | ASTM D737 |
Air Flow (ΔP 20 mbar) | 0,80 | l/hr.cm² | ASTM D737 |
Accessible Porosity | 25,0 | % | INTERNAL |
Total Pore Volume | 160,0 | /g | INTERNAL |
Average Pore Radius | 2,5 | µm | INTERNAL |