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GVS Life Sciences PM 2.5 PTFE Membrane is a high-purity, thin membrane for PM 2.5 ambient air monitoring. Each membrane is sequentially numbered with a chemically resistant polypropylene support ring. The low tare mass allows for accurate gravimetric determinations. No glues or adhesives are used in making the membranes and its stable design eliminates curling, keeping the membrane flat allowing for robot use.
Membrane：PTFE
| Filter thickness | 30-40 μm |
| Filter diameter | 46.2 mm |
| Filter pore size | 2.0 μm |
| Support ring material | Polypropylene |
| Total support ring thickness | 0.38 mm |
| Support ring width | 3.68 mm |
| Particle retention(0.3μm) | 99.7 % |
| Pressure drop(0.3μm) @16.67 l/min clean air | 30 cm water |
| Alkalinity | <25 μeq/g of filter |
| Temperature weight loss stability | <20 μg |
| Drop test weight loss stability | <20 μg |
| Moisture weight gain stability | <10 μg |
| Part No. | Diameter | Pore Size | Package | |
|---|---|---|---|---|
| 759310 | 46.2mm | 2.0μm | 50/pk |
For more than 40 years, GVS has focused on innovating its products and production processes, constantly improving its development capacity to provide the best products, service and support for its clients.
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