I was choosing a material for the new GeNS posts, and found some data on the outgassing rate of different plastics that I thought would be useful to compile.
| Material |
% Total Mass Loss |
% Collected Volatile Condensable Material |
| Delrin 570 (with glass) |
.33 |
.02 |
| Delrin 150 |
.56 |
.06 |
| Acetal Copolymer |
|
|
| PEI |
|
|
| HDPE |
|
|
| LDPE |
|
|
| Teflon-PTFE |
.01 |
.01 |
| PEEK |
0.2 |
0 |
| Kapton |
0.96 |
.01 |
| G-10 |
0.35 |
0.02 |
| PET |
|
|
Some links
https://code541.gsfc.nasa.gov/Uploads_materials_tips_PDFs/TIP%20112R.pdf
https://avs.scitation.org/doi/pdf/10.1116/1.572724
https://www.mtm-inc.com/av-20100827-plastics-in-vacuum-applications.html
The wikipedia also has some general guidelines... https://en.wikipedia.org/wiki/Materials_for_use_in_vacuum
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