Circles, qualitative, grade 2025

The qualitative filter papers are manufactured from pure cellulose with a proportion of alpha-cellulose of almost 100 %. The ash content is about 0.06 %.

Grade 2025, slow filtering, particle retention 3-5 µm, filtration speed 100 s according to DIN 53137, basis weight 84 g/m², thickness 0.15 mm

For precipitation such as zinc, nickel and tin sulphide, calcium fluoride and calcium hydroxide.

Ø PK Cat. No.
mm
1 42.5 100 7697960 Open webshop
2 55 100 7697961 Open webshop
3 70 100 7697962 Open webshop
4 90 100 7697963 Open webshop
5 110 100 7697964 Open webshop
6 125 100 7697965 Open webshop
7 150 100 7697966 Open webshop
8 185 100 7697967 Open webshop
9 210 100 7697968 Open webshop
10 240 100 7697969 Open webshop
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