ALTEF Gas Sampling Bags, 25 L, 18″x24″ w/Polypropylene Combo Valve & Septum, 1 Eyelet, 5-pk.

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. All ALTEF bags feature a polypropylene combo valve with hose connection to fit 3/16″ ID tubing and syringe port with replaceable septum. A single eyelet provides handling convenience.

Physical Specifications
Composition: proprietary polyvinylidene fluoride (PVDF) film
Thickness: 0.003″
Tensile Strength: 6100 psi
Max. Operating Temp.: 82 °C (180 °F)
Specific Gravity: 1.78 g/mL
Oxygen Permeability: 58 cc/m²/day
Water Vapor Permeability: 12-15 g/m²/day
Carbon Dioxide Permeability: 172 cc/m²/day

Features & Benefits

• Excellent alternative to Tedlar bags for collection of most VOCs.
• Unlike Tedlar bags, ALTEF bags do not produce background levels of dimethylacetamide (DMAC) or phenol.
• Very low VOC and sulfur background compared to Tedlar bags.
• Not recommended for ketones, acetates, hydrogen sulfide, or permanent gases.
• Durable polyvinylidene fluoride (PVDF) film is resistant to abrasion and chemicals, including most acids and organic compounds.
• Contain no additives, fillers, or pigments.