Ahlstrom Wet Strengthened Qualitative Grade 909 Filter Papers
    | Ahlstrom Grade 909 has a rough surface a medium flow rate and is a tighter version of Grade 962. Flow rate: medium. Retention: 3.0 microns.
Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention filtration speed loading capacity and wet-strength. All our qualitative grades consist of > 95% super refined α-cellulose and linter fibers. |