Qualitative Filter Paper, 320 mm dia, Cellulose, Grade 0860 1/2

Comparable to Grade 0858 but with a smooth surface, slightly thinner and faster. Time-saving Whatman™ qualitative grades are offered in this convenient form, which gives major advantages over flat circles.

Diameter	:	320 mm
Grade	:	Grade 0860 1/2
Material	:	Cellulose
Grade Type	:	Folded (Prepleated)
Type	:	Qualitative
Alpha Cellulose Content	:	98%
Filtration Speed	:	60 sec
Format	:	Circle
Nominal Basis Weight	:	75 g/m2
Particle Retention in Liquid	:	12 µm Max.
Properties	:	Medium Fast, Smooth
Thickness	:	170 µm

Savings in time required to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analysesDecreased overall filtration time because of the extra surface area exposed; the normal slow down of filtration speed due to the loading of particulate is postponedIncreased total loading capacity as more filter area is availableMaintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itselfThe prepleating does not significantly affect any of the technical data and the same figures may be used for the flat circles