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| Material specifications | ||||||
| Material specifications | BFE99-17.5cm*25g/m² | Material Name | Melt blown fabric | |||
| Test temperature(℃) | 20-23 | Relative humidity(%) | 75±5 | |||
| Characteristic and standard | ||||||
| Item | Unit | Parameters | Measured data | REF Test standard | ||
| Ingredient | PP | / | ||||
| Color | White | / | Visual | |||
| Weight | g/m2 | 25±2 | 25.5 | ISO9073-1:1989 GB/T24218.1-2009 | ||
| Thickness | mm | 0.18±0.03 | 0.19 | ISO9073-2:1989 GB/T24218.2-2009 | ||
| Bursting Strength | Kpa | ≥40 | 42 | ISO13938-1:1999 GB/T7742.1-2005 | ||
| Air Permeability | L/(m2.s) | ≥500 | 505 | ISO9237:1995 GB/T5453-1997 | ||
| Tensile strength | MD | KN/m | ≥0.1 | 0.12 | ISO9073-3:1989 GB/T24218.3-2010 | |
| CD | ≥0.11 | 0.15 | ||||
| Elongation | MD | % | ≥7 | 8 | ||
| CD | ≥10 | 12% | ||||
| Resistance | Pa | ≤25 | 24.5 | EN1822-3:2009 Flow:32L/min Particle Size:0.3μm Aerosol:Nacl | ||
| Filtration Efficiency | % | ≥93 | 98 | |||
| Material specifications | ||||||
| Material specifications | BFE99-17.5cm*25g/m² | Material Name | Melt blown fabric | |||
| Test temperature(℃) | 20-23 | Relative humidity(%) | 75±5 | |||
| Characteristic and standard | ||||||
| Item | Unit | Parameters | Measured data | REF Test standard | ||
| Ingredient | PP | / | ||||
| Color | White | / | Visual | |||
| Weight | g/m2 | 25±2 | 25.5 | ISO9073-1:1989 GB/T24218.1-2009 | ||
| Thickness | mm | 0.18±0.03 | 0.19 | ISO9073-2:1989 GB/T24218.2-2009 | ||
| Bursting Strength | Kpa | ≥40 | 42 | ISO13938-1:1999 GB/T7742.1-2005 | ||
| Air Permeability | L/(m2.s) | ≥500 | 505 | ISO9237:1995 GB/T5453-1997 | ||
| Tensile strength | MD | KN/m | ≥0.1 | 0.12 | ISO9073-3:1989 GB/T24218.3-2010 | |
| CD | ≥0.11 | 0.15 | ||||
| Elongation | MD | % | ≥7 | 8 | ||
| CD | ≥10 | 12% | ||||
| Resistance | Pa | ≤25 | 24.5 | EN1822-3:2009 Flow:32L/min Particle Size:0.3μm Aerosol:Nacl | ||
| Filtration Efficiency | % | ≥93 | 98 | |||
