Table 1.
Summary of mask typology and uses scenarios
| Scenario | Mask type | Material | Weight(g) | Origin | Transport (main) | Reuse | Consumption mask/month¶ |
| PP_1 | Medical mask | Polypropylene (PP)/nylon/aluminium* | 3.2 (2.5/0.5/0.2) | China | Boat | No | 30 |
| PP_2 | PP/nylon/aluminium | 3.2 (2.5/0.5/0.2) | China | Plane | No | 30 | |
| PP_3 | PP/nylon/aluminium | 3.2 (2.5/0.5/0.2) | China | Boat | Hot drying, 30 min 70°C | 3 | |
| PP_4 | PP/nylon/aluminium | 3.2 (2.5/0.5/0.2) | China | Boat | Wait and reuse | 3† | |
| COT_1 | Unlabelled community mask | Cotton (COT) | 5 | China | Boat | Washing machine 60°C | 2 |
| COT_2 | COT | 5 | Homemade‡ | – | Washing machine 60°C | 2 | |
| PES_1 | Labelled community mask§ | Elastane/polyester (PES) | 6.3 (0.13/6.17) | France | Truck | Washing machine 60°C | 2 |
| PES_2 | Elastane/PES | 6.3 (0.13/6.17) | Switzerland | Truck | Washing machine 60°C | 6 |
*Aluminium nose strip.
†One mask is used each weekday, for 10 reuses.
‡Made from old cloth/fabric.
§Considering the French quality label AFNOR (scenario PES_1) and the Swiss quality label Testex (scenario PES_2).
¶Number of worn-out masks disposed of and then replaced by a user during a month (consumption=30/nb of expected reuses).