Qualitative, resistant to moisture

Cellulose filters made from high quality cotton. The filters are used in qualitative analysis techniques to determine and identify substances. Some grades are reinforced with a stable resin, making them resistant to moisture.
Grade
Filtration rate / aspect
Retention (µm)
Thickness (µm)
Weight (g/m²)
91
curled
10
205
71
93
average speed
10
145
67
113
fast, curled
30
420
125
114
fast, smooth
25
190
77

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