Table 1. Summary of the filter efficiency of the Quickcheck H300 material and commercially available masks, for the indicated particle sizes.
| Halyard Quickcheck H300 | 0,3 μm | 0,5 μm | 3,0 μm |
|---|---|---|---|
| White layer only* | 48.76±3.34% | 70.97±3.58% | 92.89±0.73% |
| Blue layer only* | 49.14±1.09% | 69.81±1.19% | 93.39±0.73% |
| Single Layer | 70.08±0.48% | 89.68±0.70% | 99.74±0.13% |
| Single Layer, 1x Sterilized | 66.37±0.31% | 87.19±0.07% | 99.57±0.23% |
| Double Layer | 86.60±1.91% | 98.02±0.46% | 99.97±0.01% |
| Double Layer, reversed | 84.65±0.99% | 97.57±0.32% | 99.98±0.03% |
| Double Layer, after 20 min use | 87.59±0.07% | 98.63±0.00% | 100.00±0.00% |
| Double Layer, 1x sterilized | 80.39±0.33% | 95.79±0.17% | 99.99±0.01% |
| Triple Layer | 93.84±0.37% | 99.45±0.08% | 99.99±0.01% |
| Triple Layer, 1x sterilized | 85.11±2.49% | 98.44±0.28% | 99.97±0.03% |
| Triple Layer, 2x sterilized | 87.52±1.25% | 99.38±0.12% | 99.96±0.02% |
| Triple Layer, 3x sterilized | 82.58±0.87% | 98.87±0.12% | 99.97±0.03% |
| Triple Layer, 4x sterilized | 85.81±0.47% | 99.23±0.05% | 99.94±0.03% |
| Triple Layer, 5x sterilized | 83.48±0.96% | 99.00±0.11% | 99.97±0.02% |
| Commercially available masks and respirators | |||
| Surgical Mask | 54.52±2.77% | 88.61±1.13% | 98.92±0.64% |
| Disposable Face Mask FFP2 | 94.08±0.42% | 99.57±0.04% | 100.00±0.00% |
| 3M 8320 FFP2 NR D Respirator | 97.44±1.33% | 99.75±0.12% | 99.94±0.08% |
* Note that each layer of this material comes as a composite of a blue and white sheet.