Established as a dependable compound in analytical and synthetic chemistry, Whatman's Glass Fibre Filters, Grade Gf 9, serve as an essential component in filtration and separation processes. These filters, with a diameter of 110 mm, are categorized under Glass-/Quartz Fibre Filters, and are renowned for their high retention rate of 99.97%, ensuring efficient removal of particles as small as 3 µm. Made from borosilicate glass 3.3, these filters exhibit exceptional durability and resistance to heat, making them suitable for various laboratory applications. With a filtration time they offer reliable performance in the filtration of technical gases and workplace dust measurements.

• Category: Glass- / Quartz Fibre Filters
• Brand: Whatman
• Retention capacity [µm]: 3
• UNSPSC 13.5: 41104929
• Weight: 70 g / m2
• Material: borosilicate glass 3.3
• Retention rate: 99.97 %
• Diameter [mm]: 110
• Filtration time acc. to Herzberg: 120 s
• Binding agent: inorganic
• Filter type: filter circle