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GE Healthcare Filter Circles, Qualitative, Grade 3

Double the thickness of Grade 1 with still finer particle retention and excellent oading capacity; more precipitate can be held without clogging. The extra thickness gives increased wet strength and makes this grade highly suitable for use in Büchner funnels. The high absorbency is particularly valuable when the paper is used as a sample carrier.
Description:medium flow
Particle retention in liquid:6 µm
Filtration speed herzberg:approx. 325 s
Air flow:26 (s / 100 ml / in2)
Typical thickness:390 µm
Basis weight:187 g / m2
PUOrder No.in Stock 
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Particle retention rating at 98 % efficiency.