Grade 589/1 Filter for Coarse Precipitate Retention

With less than 0.01% ash, GE’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.

• 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

Blaine test filter paper

Whatman Grade 589/1 filter papers from GE Healthcare’s Life Sciences business are designed for fast filtration of coarse precipitates in support of tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs.

Grade 589/1: 12-25 µm

Specifications:

• Format: Circles
• Type: Ashless
• Typical Thickness: 190 µm
• Basis Weight: 80 g/m²
• Filtration Time to Herzberg: 50s
• Filtration Speed (Herzberg): 25s
• Ash Content: 0.01%
• Material: High-quality cotton linters
• Alpha Cellulose Content Min.: 98%
• Ribbon Filter Color: Black

Ordering Information: