These filters are made with high purity cotton linters fibres and cellulose fibres (ash content of 0.06%). These qualitative filter papers allow you to determine with a great precision the nature of filtered solutions and to check the composition of the samples. They offer better resistance to chemicals and moisture compared to standard filters and thus can be used for food, beverages and environmental analysis. Very fast filtration qualitative filter paper.
- Equivalent to Whatman grade 4
- Recommended for very fast filtration
- Weight: 80g/m2
- Thickness: 0.21mm
- Pore size: 15 - 20µm
- Filtration speed: 10s
- Burst strength: >20kg/cm2
- Supplied as plain discs
This product has met the following criteria: