Filtry z włókna szklanego GF/D, bez lepiszcza
Filtry GF/D są grubymi filtrami o retencji drobnych cząstek oraz wysokim ładunku. GF/D mogą być wykorzystane jako prefiltr w przypadku stosowania filtrów GF/B; oferowane w wielu rozmiarach.
Whatman™ Grade GF/D fine membrane filters are thick and offer good loading capacity. GF/D can also function as a prefilter when used with GF/B, and it comes in many sizes to fit most filter holders.

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

We offer glass microfiber filters with a range of pore sizes and thicknesses. Browse other binder-free Whatman™ glass filters to find the right filters for your needs.

Fine membrane prefilter benefits
Whatman™ Grade GF/D 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.
Filtry z włókna szklanego GF/D, bez lepiszcza
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 Liquid 2.7 µm 
Typical water flow rate 681 ml/min 
Product Product Name Format Dimensions
1823-007 Grade GF/D Glass Microfiber Prefilter; 7 mm circle (100 pcs) Circles 7 mm
1823-010 Grade GF/D Glass Microfiber Prefilter; 10 mm circle (100 pcs) Circles 10 mm
1823-021 Grade GF/D Glass Microfiber Prefilter; 21 mm circle (100 pcs) Circles 21 mm
1823-024 Grade GF/D Glass Microfiber Prefilter; 24 mm circle (100 pcs) Circles 24 mm
1823-025 Grade GF/D Glass Microfiber Prefilter; 25 mm circle (100 pcs) Circles 25 mm
1823-035 Grade GF/D Glass Microfiber Prefilter; 35 mm circle (100 pcs) Circles 35 mm
1823-042 Grade GF/D Glass Microfiber Prefilter; 42.5 mm circle (100 pcs) Circles 42.5 mm
1823-047 Grade GF/D Glass Microfiber Prefilter; 47 mm circle (100 pcs) Circles 47 mm
1823-055 Grade GF/D Glass Microfiber Prefilter; 55 mm circle (100 pcs) Circles 55 mm
1823-070 Grade GF/D Glass Microfiber Prefilter; 70 mm circle (100 pcs) Circles 70 mm
1823-090 Grade GF/D Glass Microfiber Prefilter; 90 mm circle (25 pcs) Circles 90 mm
1823-110 Grade GF/D Glass Microfiber Prefilter; 110 mm circle (25 pcs) Circles 110 mm
1823-125 Grade GF/D Glass Microfiber Prefilter; 125 mm circle (25 pcs) Circles 125 mm
1823-142 Grade GF/D Glass Microfiber Prefilter; 142 mm circle (25 pcs) Circles 142 mm
1823-150 Grade GF/D Glass Microfiber Prefilter; 150 mm circle (25 pcs) Circles 150 mm
1823-257 Grade GF/D Glass Microfiber Prefilter; 257 mm circle (25 pcs) Circles 257 mm
1823-915 Grade GF/D Glass Microfiber Prefilter; 460 × 570 mm sheet (25 pcs) Sheets 460 x 570 mm (18.1 x 22.4 in)
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