Table 1.
Specification summary of the textiles analyzed regarding fiber and particle release.
Identifier | Description | Supplier | Layers | Structure and details | Surface density (g/m2) ± SD | Laser cutter power (%) |
---|---|---|---|---|---|---|
SM A | Surgical mask A | Tengchuang Yiliao | 3 | Melt-blown PP mask, CE and FDA label, no mask std., middle efficiency | 75.5 ± 1.7 | 45 |
SM B | Surgical mask B | Welan | 3 | Melt-blown PP mask, CE, TypIIR (EN14683), BFE > 98%, high efficiency | 83.6 ± 0.9 | 45 |
RCT | Reference cotton textile | Swissatest, Ref 210 | 1 | Cotton textile 180 g m2 plain, bleached w/o optical brightener | 176 ± 1.3 | 55 |
uncoated | Pro Mask textile uncoated | Livinguard | 3 (inner- / outer layer uncoated) | Sample, inner- / outer layer cotton textile with middle layer melt-blown PP textile | 282 ± 1.8 | 70 |
coated | Pro Mask textile coated | Livinguard | 3 (inner- / outer layer antiviral coated) | Sample, inner- / outer layer cotton textile with middle layer melt-blown PP textile | 288 ± 2.4 | 70 |
filter | Pro Mask filter textile | Livinguard | 1 (middle layer uncoated) | Melt-blown PP textile | 31.0 ± 1.0 | 50 |
Polypropylene (PP), Bacterial Filtration Efficiency (BFE).