Whatman 589/1 Black Ribbon Ashless Quantitative Filter Paper-CYTIVA 10300009

Herzberg filtration speed of 50 s* Black ribbon filter’ for fast filtration of coarse precipitates High purity (< 0.01% ash) Blaine test and ash content test compatible Also available prepleated as Grade 589/1 ½ With less than 0.01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.