Hahnemühle Qualitative Quartz Microfibre Round Filters QFH; 47mm Diameter
Item No.
7970403
Recommended filters for atmospheric pollution control and for particles determination at high temperatures. Filters made of pure quartz microfibre (SiO2). free of binding elements or additives. Extremely low content in alkali-earth metals. Determination of suspended particles (SPM and TSP) in ambient air acc. to the directive of the US EPA (Environmental Protection Agency) and the EN 23210. Retention: 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). Resistance to chemical reagents: excellent resistance to solvents. acids (except HF) and alkaline substances. Stability at high temperatures: higher resistance than glass microfiber. up to 1000 °C. Weight: 85 g/m2. Thickness: 0.45 mm. Further sizes on request.
Additional Details
Pack Size | 50pk |
Weight | 0.05 |
Weight Unit | Kg |
Tariff Code | 70193200 |
Country of Origin | Germany |
Additional Details
Pack Size | 50pk |
Weight | 0.05 |
Weight Unit | Kg |
Tariff Code | 70193200 |
Country of Origin | Germany |
Description
Diameter: 47 mm |