PAPER PRODUCTS

A widely used standard grade filter paper for routine applications with medium retention and flow rate.

- Single thickness thimbles have a wall thickness of approximately 1 mm (10.0 μm nominal particle retention)

Syringe Filter, PTFE

pH Indicator Paper

Slightly more retentive than Grade 1 with a corresponding increase in filtration time (i.e., slightly slower filtration speed).

Litmus Paper, Ross

- 1.0μm Pore size
- 3x thicker than GF/A

Whatman Membrane Filter, Nylon (Type WNYL)

A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.

Chromatography and Blotting Paper, Cellulose

Fast flow & retention of coarse precipitates

Slow flow & retention of coarse particles

Twice as fast as No.5 with similar retention)

General Application

Flow retention between No.1 & No.4)

Fastest flow, For coarse retention

Half thickness of No.113

General Application

Filter Paper, No. 113V, 30μm, Qualitative, Folded/Prepleated

• Economy range of syringe filters.
• Made from extractable free virgin polypropylene housing
• For small volume filtration of liquid, gasses and other material specific application.