6 µm, Medium Speed
This is a strong filter paper with a medium flow rate and retention. Grade 613 is commonly used in student laboratories. This strong general-purpose paper filter is also useful in Buchner funnels for barium carbonate, lead chromate and beryllium hydroxides.
Ahlstrom-Munksjö offers a full range of specially designed filter paper for use in the sugar industry. Grade 613 is particularly well suited for general laboratory filtration methods and qualitative analysis.