Whatman^® Qualitative Filter Paper, Grade 91, Creped, Diam. 240 mm, Whatman (CAT#: STEM-L-4544-LC)

The Whatman^® Qualitative Filter Paper, Grade 93 manufactured by Whatman is ideal for routine filtration. It feaures high wet strength because of the addition of a small amount of chemically stable resin.

Material: Cellulose filters, circles
Packaging: Pack of 1000
Parameter: 70 sec/100 mL speed (Herzberg), 2 psi wet burst
Diam.: 240 mm
Thickness: 205 μm
Pore size: 10 μm (Particle retention)
Basis weight: 71 g/m²

Whatman^® Qualitative Filter Paper, Grade 91, Creped, Diam. 150 mm, Whatman (CAT#: STEM-L-4545-LC)