Technical Filter Paper, Circle, black,90 mm, Grade 551, slow, smooth, 95 g/qm, 100 pcs.

Black Filter Paper

Recommended for the detection of very fine, light particles and precipitates.

Type 551 is a technical filter paper, made from pure cellulose and by adding black additives. White and light ones Particles can be easily recognized after filtration because of the strong contrast. The 551 variety is available as a round filter with the following sizes in millimeters: 55 – 70 – 90 – 240.