Glass Microfiber Filters with Binder
These filters are mostly used either for monitoring air and gas or as prefilter. They are manufactured with synthetic binding agents to ensure that the filter has a defined strength. They are mechanically and chemically stable, have a temperature resistance up to 180°C and – depending on the binding agent used – are either hydrophobic or hydrophilic.
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Glass Microfiber Filters with Binder
Grade Weight Thickness Penetration Pressure Drop Binding Agent Temperature Resistance ( °C ) Applications 13430 220 1.25 < 0.02 Hydrophilic 180 °C Prefiltration 13400 73 0.39 < 0.015 Hydrophilic 180 °C Prefiltration MG 1387/1 90 0.38 < 0.003 400 Hydrophilic 220 °C Gas monitoring, sample preparation MG 227/1/60 60 0.32 < 0.5 Hydrophobic 220 - 250 °C Air pollution control MG 400 XA 75 0.35 < 0.001 425 Hydrophobic 180 °C Air sampling for collection of atmospheric particulates and aerosols
(g/m2)
(mm)
0.3 µm (%)
at 5.3 cm/s (Pa)
Binder-free glass microfiber filters are recommended for analytical and gravimetric analyses and also as prefilters. These filters combine fast flow rates with high load capacity and the retention of very fine particles; they are biologically inert, are resistant to most chemicals and withstand temperatures up to 500 °C (grade 550-HA up to 550 °C).