Whatman Grade GF/D Glass Microfiber Filters, Binder Free

Description

Thick filter media for increased loading capacity
Nominal particle retention of 2.7 µm
Can be used as a fine membrane prefilter

Fine membrane prefilter benefits

Whatman Grade GF/D from GE Healthcare’s Life Sciences business is a membrane prefilter that provides protection for membranes with fine retention. The filter can be used with Whatman Grade GF/B filters to provide efficient membrane protection, especially during liquid scintillation counting.

Parameter	Grade GF/D Glass Microfiber Prefilter, circle & sheet
Application :	Highly suitable for use in applications involving air filtration and for gravimetric analysis of volatile materials where ignition is involved. Because of the low resistance it is recommended for fluid flow and high particle loading capacity.
Grade :	Grade GF/D
Nominal Air Flow Rate :	2.6 s/100 ml/in²
Nominal Thickness :	675 µm
Nominal Basis Weight :	121 g/m²
Max recommended temperature :	550 °C
Material :	Borosilicate glass
Binder Type :	Binder Free
Typical Particle Retention in Liquid¹ :	2.7 µm
Typical water flow rate² :	681 ml/min
Format & Dimensions :	Circle – Ø 7 mm, Ø 10 mm, Ø 21 mm, Ø 24 mm, Ø 25 mm, Ø 35 mm, Ø 42.5 mm, Ø 47 mm, Ø 55 mm, Ø 70 mm, Ø 90 mm, Ø 110 mm, Ø 125 mm, Ø 142 mm, Ø 150 mm, Ø 257 mm Sheet – 460 x 570 mm (18.1 x 22.4 in)
Pack Size :	100 pieces – Ø 7 mm, Ø 10 mm, Ø 21 mm, Ø 24 mm, Ø 25 mm, Ø 35 mm, Ø 42.5 mm, Ø 47 mm, Ø 55 mm, Ø 70 mm 25 pieces – Ø 90 mm, Ø 110 mm, Ø 125 mm, Ø 142 mm, Ø 150 mm, Ø 257 mm, 460 x 570 mm (18.1 x 22.4 in)