Table 2 Summarizes the time needed to produce each mask together with cost of the used materials and the mask fabrication cost per material. PLA; Polylactic acid, TPU; Thermoplastic Polyurethane
Mask type | Conventional Mask | TPU mask | PLA mask |
|---|---|---|---|
Fabrication time | • 35 minutes | • 18 hours and 27 minutes | • 15 hours and 55 minutes |
Raw material cost | • Thermoplastic Orfilight Atomic Blue NS soft® microperforated 60 × 90 cm board costs about 90 US dollars. | • A 750 g spool of 2.8 mm TPU filament cost about 69.95 US dollars. • 68 g of material were used in the mask print. | • A 750 g spool of 2.8 mm PLA filament cost about 49.95 US dollars • 69 g of material were used in the mask print. |
Mask fabrication cost | – | • 6.4 US dollars per material per mask | • 4.6 US dollars per material per mask |