[FV21] AIR POLLUTION ANALYSIS
Weight (g/m2) DIN 53104 |
Thickness (mm) |
Pore size (μm) |
Filtration speed (sec) DIN 53137 |
Burst strength (kPa) |
52 |
0.26 | 1.6 | 60 | 20 |
Sort | Minimum size | Maximum size | Code example |
A | ø 25 mm | ø 240 mm | FV21A0090 (plain disc of glass microfiber, grade FV21, diameter 90 mm) |