Filter paper circles, MN 640 de, 90mm (Pack of 100 filters)

• Ashless, very slow filter paper for the filtration of finest particles in quantitative range

• Surface: Smooth

• Basis weight: 100 g/m2

• Thickness: 0.2 mm

• Filtration speed: 195 s

• Material: Cellulose

• Ash content: Less than 0.01 %

• Color: White

• Retention capacity: 1 to 2 micron

• Wetstrength: Light