Product Name: Gas Sampling Bags Pvf Bags Tedlar Gas Bags 10L, with Two PP Valves Model NO.: ES-10L-D62P Type: Gas Bags Application: School, Lab Material: Pvf Film Structure: Gas Bags Customized: Non-Customized Trademark: E-Switch Transport Package: Paper Box Specification: 10L Origin: Made in China HS Code: 39232900 Product Description Gas Sampling Bags (Tedlar pvf film )capacity:10LValve:polypropylenebag film: PVF, tedlar brandvalve number:twosmall paper box:53*34*17CMone box with 50pcs,10L pvf gas sample bags.bigger paper box:53*35*32 CMone box with 100pcs ,10L pvf gas sample bagsuint price:10.5USD,FOB shanghai .Band:E-Switch, easy to use valve.Made in china ,manufacture Shanghai Sunrise Instrument Co.,Ltd.Good quality, low price!we offer sizes from 5M L to 2000 L.Available with polypropylene (we get patent) or PTFE valve;choose bags with a septum fitting for syringe sampling or standard spiking.Maximum operating temperature: 100 °C with polypropylene valves or 202 °C (397 °F) with PTFE valves.Sampling bags are low-cost, whole-air sampling devices for VOCs and permanent gases. Several EPA, NIOSH, and OSHA methods exist for bag sampling for a variety of applications: stationary sources emissions; workplace atmospheres; ambient, indoor air quality; and breath analysis. Choose the valve type appropriate for your application. A single eyelet provides handling convenience.Physical SpecificationsComposition: polyvinyl fluoride (PVF) polymer resinThickness: 0.002"Tensile Strength: 8,000 psiMax. Operating Temp.: 100 °C with polypropylene valves or 202 °C (397 °F) with PTFE valvesSpecific Gravity: 1.7 g/mLOxygen Permeability: 50 cc/m2/dayWater Vapor Permeability: 9-57 g/m2/dayCarbon Dioxide Permeability: 172 cc/m2/day