Research Article
Flow-Through Portable Antivirus UV-C Optical Enclosures to be Used with Protective Masks
Table 4
Enclosure materials and their reflectivity.
| ā | Reflection type | Reflectivity (reported by the manufacturer) (%) |
| Aluminum | Specular (mirror-like) | 70 | Steel | Specular (mirror-like) | 30 | Microporous PTFE | Diffuse (Lambertian) | 93 |
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