| Technical parameters of HEPA industrial dedusting filter material | |||
| Number | H11 grade polyester membrane filter material | H13 grade polyester membrane filter material | notes |
| colour | white | white | visual |
| weight(g/m2) | 200±10 | 200±10 | ISO 9073-1 |
| thickness(mm) | 0.5±0.05 | 0.6±0.05 | ISO 9073-2 |
| resistance(Pa) | 140±10 | 220±20 | |
| Filtering efficiency(%) | ≥95 | ≥99.95 | |
test temperature(℃) | 20-23 | 20-23 | |
relative humidity(%) | 70±5 | 70±5 | |
| test method | counting method | counting method | |
| Filtration rate(cm/s) | 5.3 | 5.3 | |
| Particle size(μm) | 0.3 | 0.3 | |
aerosol | NACL | NACL | |
| Application scenarios of HEPA industrial dust removal filter materials | |||
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