These filter papers are made from super-refined cellulose, they have been specifically designed to have particular properties for each technical application. The applications range from the filtration of beverages to the purification of electroplating bath solutions.
Grade 520A: 15-18µm: A thin paper with great wet strength and a very high flow rate. Frequently used in technical applications such as the filtration of viscous liquids and emulsions (e.g. sweetened juices, spirits and syrups, resin solutions, oils or plant extracts).
Grade 520BII: 15-19µm: A thick paper with high wet strength offering a very high flow rate.
Grade 0858: 7-12µm: Grained, with medium fast flow rate and medium retention. A universal filter paper, used for the filtration of extracts, oils, beer, syrups etc., also applied in filter presses or for the aspiration of liquids.
To help you choose the right filter for your application please click on the image below that will take you to the application guide for:
 There is also a link to the Cytiva Filter Paper Selector Guide