Whatman Grade GF 92 Glass Microfiber Filters with Binder

Effective pre-filtering

Prefiltration can improve performance and longevity of equipment in applications such as:

Parameter	Grade GF 92 Filter with Microfiber Prefilter, circle
Application:	Used as a membrane prefilter in applications such as the determination of crop protection agent residues by GC or HPLC, in cold sludge determination of beer, in soot separation before gas analyzers and as roll filters in automatic air filtration units. Highly suitable for use in applications involving air filtration and for gravimetric analysis of volatile materials where ignition is involved.
Grade:	Grade GF 92
Filtration Speed:	Medium
Air Flow Rate:	27 s/100 ml/1.56 cm²
Basis Weight:	70 g/m²
Operating Temperature:	less than 500 °C
Material:	Borosilicate glass
Binder Type:	Inorganic
Typical Thickness:	350 µm
Format & Dimensions:	Circle – Ø 42 mm, Ø 47 mm, Ø 50 mm, Ø 100 mm, Ø 135 mm, Ø 142 mm
Pack Size:	100 pieces – 100 mm, 135 mm, 142 mm 200 pieces – 42 mm, 27 mm, 50 mm