QUARTZ MICROFIBRE FILTERS


DESCRIPTION

    

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.
  • Retention: Excellent retention of very fine particles through the absorption mechanisms of quartz fibres.
  • Air permeability: Extremely high. Enables to pass through large volumes of air.
  • 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 microfibre. Very good up to 950ºC; higher on starts loosing its normal properties.

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TECHNICAL SPECIFICATIONS

Grade
Weight
(gr/m²)
Thickness
(mm)
TSI Efficacy ( with particles 0.3 µm)
(%)
Max Tª
(ºC)
BINDERS
QFH
85
0.45
99.997
950
free

 

TRACE METALS (ppm)
Al
Ba
Ca
Cd
Co
Cr
Cu
Fe
Mg
Mn
Na
Ni
Pb
Sr
Ti
V
Zn
300
10
250
0.002
 <0.5
2
2
50
25
2
100
2
<1
3
<1
<5
6

 

Detection limit 0.01ppm.

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APPLICATIONS

  • Applications that require a maximum filter purity with a low metal content and no carbon traces.
  • Filtration and analysis of both acid and alkaline gases and solvents.
  • Immission: Sampling and analysis of PM 10 and PM 2.5 particles and other pollutants.
  • Emission: Pollution controls performed on air in industrial stacks, smoke ducts and aerosols.

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ORDERING INFO

∅ / Grade QFH
37 mm QFH037
42.5 mm QFH0425
47 mm QFH047
50 mm QFH050
55 mm QFH055
70 mm QFH070
90 mm QFH090
100 mm QFH100
110 mm QFH110
125 mm QFH125
150 mm QFH150
203 X 254 mm QFH203254

 

Presentation: 50 units / box
Other sizes available on request

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