Whatman* Wet-Strengthened Grade Qualitative Filter Papers
Grade 91: 10 - 25 �m
Similar thickness to Grade 114 and retains coarse or gelatinous precipitates. Used in sugar and pharmaceutical laboratories for routine filtration.
Grade 113: 30 �m
Ultra high loading capacity with a particle retention making it ideal for use with coarse or gelatinous precipitates. Fastest flow rate of the qualitative grades. Creped surface.
Grade 114: 25 �m
Only half the thickness of Grade 113 and suitable for coarse or gelatinous precipitates. Smooth surface for easy recovery of precipitates.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.
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