Continued on next page To see other variants and accessories, please enter the webcode on our website. webcode 745 Glass Filters webcode WW6PB008 Quartz Microfibre Filters, Hahnemühle These filters are recommended for atmospheric pollution control and for particles determination at high temperatures. • Made of pure quartz microfibre (SiO2), free of binding elements or additives • Perfect for trace analysis for their extremely low metal content • Determination of suspended particles (SPM and TSP) in the ambient air pursuant to the relevant specifications of the US EPA (Environmental Protection Agency) and EN 23210 • Excellent retention of very fine particles through the adsorption mechanisms of quartz fibres • Chemical stability: excellent stability with hardly any loss of filter-material due to chemical reactions under extreme conditions with acid gases (HCl, SO2, SO3, H2SO4, NO and NO3) • Excellent resistance to solvents: bases, acids (except hydrofluoric acid) and alkaline substances • Stability at high temperatures: higher resistance than glass microfiber, up to 1000ºC Technical specifications: Grade Weight g/m² Thickness mm TSI efficacy % (particles 0.3 µm) T Max C° Binder QFH 85 0.45 99.999 1000 no Vers. Dimensions mm Order No. PU pc/Pack Filter circles Ø 47 10 15 90047 50 Filter circles Ø 150 10 15 90150 50 Sheets 203 × 254 10 15 93254 50 Other sizes on request. 1 2 Glass fiber filters, MACHEREY-NAGEL 1MN 85/90 Glass fiber filter Most widely used general purpose glass fiber filter with very good mechanical stability. The filter contains an organic binder. Thickness: 0.40 mm Basis weight: 90 g/m2 max. termperature: 200 °C Type Diameter mm Order No. PU pc/Pack Round filter MN 85/90 55 10 46 94505 100 Round filter MN 85/90 70 10 46 94507 100 Round filter MN 85/90 90 10 46 94509 100 Round filter MN 85/90 110 10 46 94511 100 Round filter MN 85/90 125 10 46 94512 100 Round filter MN 85/90 150 10 46 94515 100 ‼ Available only in original packaging units. No fractions possible. 2MN 85/90 BF - Binder free glass fiber filter Suitable for difference weight analysis. This paper is especially used in water treatment facilities for example for determination of undisclosed solids. Thickness: 0.40 mm Basis weight: 90 g/m2 max. termperature: 500 °C Type Diameter mm Order No. PU pc/Pack Round filter MN 85/90 BF 55 10 46 94655 100 Round filter MN 85/90 BF 70 10 46 94607 100 Round filter MN 85/90 BF 90 10 46 94609 100 Round filter MN 85/90 BF 110 10 46 94611 100 Round filter MN 85/90 BF 125 10 46 94612 100 Round filter MN 85/90 BF 150 10 46 94615 100 ‼ Available only in original packaging units. No fractions possible. Separating Systems Filtration
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