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Recommended for the detection of very fine traces of light particles and precipitates.
This grade is available as filter circle with the following sizes (in mm):
55 – 70 – 90 – 240.
Other sizes, sheets, rolls and special cuts are available on request.
| Grade | Properties | Filtration Herzberg [s] | Weight [gsm] | Thickness [mm] |
|---|---|---|---|---|
| 551 | slow, black | 850 | 95 | 0,20 |
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