Type:Round Filter
name:MN 640 d
Surface:smooth
Unit weight:85 g/m²
Thickness:0.17 mm
Filter speed description:Slow filtering
Filtering speed:140 s
features:Quantitative filter paper
Material Science:cellulose
Ash content:< 0.01 %
Retention rate:2–4 µm
Moisture resistance strength:mild
Diameter:55 mm, 70 mm, 90 mm, 110 mm, 125 mm, 150 mm, 185 mm, 240 mm, 270 mm , 320 mm
Packaging specifications:100 sheets/pack
Harmful substances:not have