Whatman Grade 589/1 Filter for Coarse Precipitate Retention, 150 mm, circle, 100/pk
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.