Air Quality Instrumentation

PTFE SAMPLING BAGS

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Scentroid Is the only manufacturer offering PTFE sampling bags. These bags offer a much higher resistance to contamination and Scentroid’s PTFE Sampling Bags have a longer holding time than Tedlar bags. They are also the only accepted bag material for all standards.

Completely Odourless
High density PTFE Sampling Bags have zero background odour giving you much more accurate measurements

Maximum Sample Retention
PTFE provides the highest sample retention of any media. Scientific studies have shown an improvement in 24 hours of up to 600% more in sample retention when compared to Tedlar

 

Cost Effective
PTFE sample bags are reusable making them a cost effective option. Laboratories using the SP20 Heated Purger routinely reuse PTFE sample bags up to 30 times

  • Ultra-pure PTFE film with exceptional sample preservation
  • PTFE density of 2.2 g per cubic centimeter is twice as high as Tedlar allowing for much longer sample preservation.
  • Excellent stability for petrochemical products such as benzene.
  • Low sample absorption.
  • Zero background odour allows for ambient sampling.
  • UV protection helps preserve samples during transportation.
  • Easy to clean and reuse (typical lifespan is 30 samples).
  • Stocked in a variety of sizes; custom bags available.
  • Recommended for a sample processed after a long delay – 12 to 30 hours
  • Excellent stability for most compounds including VOCs, sulfur compounds, including hydrogen sulfide
  • Excellent stability for carbon monoxide, carbon dioxide, methane, and sulfur hexafluoride
  • Choice of fittings to match bag size and application include both compression and 2-in-1 valve/septum fittings in a variety of materials including PTFE, stainless steel, PTFE coated Nylon, and Polypropylene.
  • Bags available for EPA TCLP method.
  • Perfect for samples with high VOCs and H2S
  • Samples that have any petrochemical products such as benzene
  • Samples with low odour threshold as it will not contaminate sample
  • Samples that have high humidity
PTFE Sampling Bags Not Recommended for:
  • Samples that are processed with a delay exceeding 30 hours
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