PTFE Membrane, 46.2mm Diameter, Cobetter Filtration Equipment Company Limited (CAT#: STEM-L-4350-LGZ)

Cobetter PM2.5 PTFE membrane filters are specially designed for PM2.5 air sampling. It is made of high purity teflon membrane, structured as a thin flat filter with pp support ring for better handling. Low elemental background and good chemical compatibility make ring-supported PTFE filters widely used in ambient air monitoring. Cobetter PP ring supported teflon filters are produced in an ISO7 clean room. Continuous numbers of film printing for easy recording and tracking.

Diameter: 46.2mm
Filter Material: Teflon
Thickness: 40±10μm
Weight: 165.37±0.01mg
Pore Size: 2μm
Support Ring media: PP/PFA
Retention Rate: >99.995%
Pressure Drop(0.3μm)@16.671/min: <30mm H2O
Alkaline: <25μeq/g
Temperature until weight stable: <20μg
Weight dropped to stability: <20μg
Max. Hygroscopic: <10μg
Package: 25 pcs

EPA PM2.5 Reference Method compliant with 40 CFR Part 50 Appendix L requirements.
Manufactured in a clean room.
No glue or adhesive.
For PM2.5 ambient air monitoring.
Sequentially numbered for easy traceability.

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