Grade 615 Qualitative Filter Paper

Photo of Ahlstrom 615 Qualitative Creped Filter Paper

This fast filtering grade is an intermediate grade between Ahlstrom 617 and Ahlstrom 631. Ahlstrom 615 has a rough surface and is used for filtering aluminum, ferric and magnesium hydroxides. It is also found in general construction filtration work and in the filtration of insoluble iron and ore. Ahlstrom