Quartz microfibre filters are especially suited for emission monitoring at temperatures of up to 900 °C and wherever filters of the highest purity are needed. Sartorius quartz microfibre filters are free of glass fibres and binding agents.

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Quartz Microfibre Filters

Grade

Weight
(g/m2)

Thickness
(mm)

Penetration
0.3 µm (%)

Pressure Drop
at 5.3 cm/s (Pa)

Dry tensile strength,
longitudinal (N/m)

Dry tensile
strength,
crosswise (N/m)

Temperature
Resistance

Pre-heated 

Q3400

85

0.43

< 0.002

450

200

80

900 °C +/- 10 %

yes

T 293

85

0.43

< 0.002

450

150

70

900 °C +/- 10 %

no