Filter paper circles, MN 1640 d, 55mm (Pack of 100 filters)

• Wet-strengthened, slow, ashless filter paper with very fine particle retention

• Standard paper for critical gravimetric analysis of fine precipitates like barium sulfate or metastannic acid

• The smooth surface allows fiber-free filtration, even for highly acidic and basic media

• Surface: Smooth

• Basis weight: 85 g/m2

• Thickness: 0.17 mm

• Filtration speed: 140 s

• Material: Cellulose

• Ash content: Less than 0.01 %

• Color: White

• Retention capacity: 2 to 4 micron

• Wetstrength: Strong