CatalogueDistillation, separation, filtrationFiltrationGlass-fibre filtersQualitative Quartz microfibre filters, QFH, round filters
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Qualitative Quartz microfibre filters, QFH, round filters

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.
Thickness:0.450 mm
Weight:85 g/m²
Qualitative Quartz microfibre filters, QFH, round filters


Qualitative Quartz microfibre filters, QFH, round filters
 TypeØ
mm
Dimens­ions
(WxD)
PK
 QFHProd.No.7.970 40347.0 50
 QFHProd.No.6.255 834150.0 50
 QFHProd.No.6.242 598 203 x 254 mm50

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