PTFE FIlter shrinkage upon desication, Any Suggestion?

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Ezhilkumar Marimuthu Rajendran

Generally PTFE used for air sampling will have a supportive ring in the edges. But in your case it is missing.

I am afraid that the desiccant you use in your desiccator might be influencing your FPs.

Please check out with other desiccant and other type of FPs.

All the best

Manuel A. Leiva-Guzmán

Why you need resécate de filter? PTFE has low hygroscopicity

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