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Thumbnail Filmstrip of PTFE PM2.5 Filter Membrane, PTFE 2.0um, 37mm, w/ Clear PP Support Ring, 50pcs Images
PM2.5 monitoring membrane are manufactured according to US EPA 40 CFR Part 50, Appendix L. The thin, high purity and high retentive PTFE film are sequentially numbered and supported with a chemical resistant polypropylene support ring.
APPLICATIONS
PM2.5 ambient air monitoring
Features & Benefits
Sequentially numbered on each membrane
Supporting design eliminates curling
Excellent chemical and thermal stability, high retention
Manufactured under ISO9001 quality system and 100,000 Class clean room
Specifications
|
Material |
High-purity PTFE |
|
Pore size |
2.0 μm |
|
Support ring material |
PP |
|
Filter diameter |
46.08-46.20mm with support ring |
|
Filter thickness |
30-50μm |
|
Support ring thickness |
0.36-0.42mm |
|
Support ring width |
3.32-3.46mm |
|
Collection efficiency (0.3 µm DOP) |
＞99.7% |
|
Pressure drop and flow rate @ 16.67L/min |
＜30cm H2O column |
|
Filter Weight stability |
＜20µg |
|
Temperature stability |
＜20µg |
|
Humidity-induced weight increases stability |
＜10µg |
- Diameter
- 37mm Filter
- Material
- Polytetrafluoroethylene (PTFE)
- Pack Count
- 50
- Pore Size (µm)
- 2
- Weight
- 0.44
- Wetability
- Hydrophobic