Whatman 1001-090 90mm diameter Grade Number No. 1 qualitative filter paper

Whatman 1001-090 90mm diameter Grade Number No. 1 qualitative filter paper

circle disc (6 packs of 100 papers each)

Filter, paper, disc / circle, qualitative, standard, cellulose, high quality cotton linters, 90mm diameter, medium flow, 11um particle retention, 150s Herzberg filtration speed, 10.5s/100ml/in2 air flow, 180um thickness, 88g/m2 basis weight, white, Whatman, Grade No. 1, 1001-090.

parameter
0.25 psi wet burst
150 sec/100 mL speed (Herzberg)

diam. 90 mm

thickness 180 μm

ash ≤0.06%

pore size 11 μm (Particle retention)

Price is for all 6 packs, new and sealed in manufacturers original packaging