Medium fast cellulose filter paper with high wet strength. This paper has the same chemical resistance characteristics as Grade 1573.

• Folded filters for easy use in applications involving a conical filter funnel

These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc.