Whatman™ Grade 520 Qualitative Filter Paper, Wet Strengthened (Grades 520 A, 520 B & 520 BII)

Whatman Grades 520 A, 520 B & 520 BII - Wet-Strengthened Qualitative Filter Paper

Whatman Grade 520 A is a thin qualitative filter paper with great wet strength and a very high flow rate. Frequently used in technical applications like the filtration of viscous liquids and emulsions (e.g. sweetened juices spirits and syrups resin solutions oils or plant extracts). Filtration speed: 17.5 herzberg. Typical thickness: 300µm. Basis weight: 90 g/m². Retention: 15-18 µm.


Whatman™ Grade 520 B is a thick qualitative filter paper with high wet strength offering a very high flow rate. Filtration speed: 15 herzberg. Typical thickness: 500µm. Basis weight: 135 g/m². Retention: 15µm.


Whatman™ Grade 520 BII is a thick qualitative filter paper with high wet strength offering a very high flow rate. Made from super-refined cellulose. Filtration speed: 15 herzberg. Typical thickness: 500µm. Basis weight: 135 g/m². Retention: 15-19 µm. Available in both flat & pre-pleated versions.

9 Products