Ahlstrom Standard Grade 237 Filter Qualitative Papers
    | Ahlstrom Grade 237 is a high absorbency grade that is twice as thick as Grade 642 with similar particle retention. The extra thickness gives higher wet strength and loading capacity which enables more precipitate to be held without clogging the filter. This low ash grade contains more than 95% super refined alpha-cellulose and linter fibers. Filtration rate: medium. Retention: 6 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. |