Used to collect bulk samples for off-gassing sampling, these bags have one end of the bag left open. Simply insert the item to be sampled, then seal using the provided clip for an air tight seal. Sampling of the off-gassing may be taken using the bags valve with built in septum.
Zefon Tedlar® bags are manufactured from clear, 2 mil Tedlar® PVF (polyvinyl fluoride) film and feature a unique easy to use valve with built-in septum. Bags made from Tedlar® film offer good stability with VOC’s and are recommended in many US EPA methods including TCLP and methods TO-3 (VOCs), TO-12 (NMOC), TO-14A (VOCs), TO-15 (VOCs), ASTM D-5504 (reduced sulfur compounds) and a variety of atmospheric gas methods.
- Unique Zefon ZP valve is easy to use with built-in PTFE septum
- Includes grommet hanging hole
- Strong 1/4” wide seams