Ahlstrom 1610-1100 Glass Microfiber Filter Paper, Grade 161, 110 mm, 100/pk

Ahlstrom Grade 161 filter paper is a binder-free glass microfiber filter media commonly used for laboratory filtration tasks, such as total suspended solids analysis in water, cell harvesting, liquid scintillation counting, and general environmental or research sample filtration. Grade 161 is especially suited for medium-speed applications where balanced particle retention and flow are required.

This filter paper combines fine particle retention (~1.1 µm) with a high flow rate and large loading capacity, making it effective for filtering particulate-rich solutions without clogging quickly. It’s constructed from pure borosilicate glass microfiber, which also offers good chemical resistance and thermal stability.

The Ahlstrom 1610-1100 is a 110 mm diameter circular filter paper, and it is typically supplied as a pack of 100 discs, allowing for multiple filtration runs or batch testing.

Yes — because it’s made from borosilicate glass fibers, this filter paper can withstand elevated temperatures, often up to about 500 °C, making it suitable for applications that involve drying or ashing of samples prior to further analysis.

Compared with traditional cellulose filter papers, Grade 161 glass microfiber has finer particle retention, faster filtration rates, and greater chemical and thermal resistance. These characteristics help provide reliable filtration results, especially in environmental monitoring and analytical routines involving challenging sample matrices.