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  4. What materials are used in the reservoir and oxygen mask?
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  3. What materials are used in the reservoir and oxygen mask?

What materials are used in the reservoir and oxygen mask?

We receive this ques­tion often. The cus­tom mate­r­i­al we cur­rent­ly use for the reser­voir has a thin film lay­er of poly­eth­yl­ene plas­tic lam­i­nat­ed to a high ten­sile strength nylon mate­r­i­al. The “air” only comes in con­tact with the PET thin film side of the mate­r­i­al. PET is con­sid­ered non-reac­tive even in high oxy­gen con­cen­tra­tion envi­ron­ments.

The mate­ri­als we use are well researched and also inter­nal­ly test­ed for poten­tial off-gassing up to 120C. We use a val­i­dat­ed GC/MS method to assure we are receiv­ing clean mate­r­i­al. While I can­not say we have NO detectable off-gassing, we do have a very small amount ( <4 ug/g, <4 ppm ) at 120 degrees C / 250 degrees F. We esti­mate that at room tem­per­a­ture ( 25C / 75F ) test­ing off-gassing would prove to be less than 1ppm. It is as close to zero as we can make it as our best effort to NOT intro­duce any­thing oth­er than “pure” air.

Updated on February 13, 2018

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