Whatman^® Qualitative Filter Paper, Grade 91, Creped, sheets, 580 mm × 580 mm, Whatman (CAT#: STEM-L-4539-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, sheets
Packaging: Pack of 500
Parameter: 70 sec/100 mL speed (Herzberg), 2 psi wet burst
W × L: 580 mm × 580 mm
Thickness: 205 μm
Pore size: 10 μm (Particle retention)
Basis weight: 71 g/m²

Whatman^® Qualitative Filter Paper, Grade 91, Creped, Diam. 185 mm, Whatman (CAT#: STEM-L-4540-LC)