Ahlstrom Standard Grade 615 Filter Qualitative Papers
    | Ahlstrom Grade 615 is a fast filtering grade with a rough surface that is intermediate between grades 617 and 631. Flow rate: fast. Retention: 25 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. |