Cobetter PM 2.5 air monitoring and sampling membrane is an ideal, accurate, certified product for your air analysis. It conforms to US EPA 40CFR Part 50 (EPA 1997a) standard.
The thin PTFE membrane is fixed by polypropylene / PFA support ring. This construction provide higher membrane strength and thermal stability, avoid curling during the operation.
Accurate Result
Cobetter PM 2.5 membrane is manufactured in 10-thousand-grade clean room. Eliminates the particle contamination from the workshop. The PM2.5 membrane has low chemical background, lot consistency and free of adhesives.
Certified Quality
X-Ray Fluoresence Trace Elements Analysis, 100% Visual Inspection
Technical Specifications
Cobetter PM 2.5 Air Monitoring Membrane |
|
Filter Media |
Un-supported ePTFE |
Pore Size |
2µm |
Typical Filter Thickness |
40 +/- 10µm |
Filter Diameter |
46.2 +/- 0.2mm |
Typical Particle Retention(DOP 0.3µm) |
99.995% |
Support Ring |
Popypropylene / PFA (Heat Resistant) |
Support Ring Thickness |
0.38 +/- 0.04mm |
Support Ring Width |
3.6mm |
Pressure Drop (0.3µm) @16.67L/min |
<30cm H2O |
Alkalinity |
<25µeq/g |
Drop Test Wt. Loss Stability |
<20µg |
Temperature Wt. Loss Stability |
<20µg |
Moisture Wt. Gain Stability |
<10µg |
Glassfiber Membrane for Air Monitoring and Sampling
Cobetter also supplies high through put glassfiber membranes for air monitoring and sampling in aggressive environments. Filtration efficiency >99.99%@0.3µm, Pressure Drop (0.3µm @16.67L/min) <30cm H2O.
Please contact sales@cobetterfilter.com for receiving test samples.