Laboratory
Home Industries Laboratory Teflon Membrane for PM2.5 Air Monitoring
Teflon Membrane for PM2.5 Air Monitoring

Cobetter PM2.5 Teflon membrane filter is especially designed for PM2.5 air sampling.

It is made by high purity PTFE film, structured a thin flat filter with pp support ring,for better handling.

Low element background, very good chemical compatibility makes the ring supported PTFE filter very widely used in ambient air monitoring.

Cobetter PP ring supported PTFE filters are produced in ISO7 clean room. Membrane printed with sequential numbers for easy recording and tracing.


Features

  • Conforms to EPA PM2.5 reference method under the requirements for 40 CFR part 50 Appendix L

  • Manufactured under clean room

  • No glues or adhesives

  • Used for PM2.5 ambient air monitoring

  • Sequentally numbered for easy traceability


Typical Membrane Performance

 Part NumberDiameterSpecification
Package
 PM2.5PF-46.246.2mmFilter MaterialTeflon50 pcs


Thickness40±10μm


Weight165.37±0.01mg


Pore Size2μm


Support Ring mediaPP/PFA


0.38±0.04mm



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



Ordering Information

 Part NumberSizeCore DiameterPackage
 PMPF402040mm * 20mm50.8mm/40mm1 Roll
 PMPF352035mm * 20mm50.8mm/40mm1 Roll
 PMPF303030mm * 20mm50.8mm/40mm1 Roll




For technical data sheet or application inquiry, you are more than welcome to contact our sales representative by sales@cobetterfilter.com or leave a message




Contact Form
Corporate name* Department*
Name*
E-mail address*
Tel
Address
Leaving a message