Ahlstrom offers a full range of standard pleated grades that meet your needs from grades with rapid flow rates for filtration of viscous materials to grades with tight matrices for removal of fine precipitates. Ahlstrom’s pre-pleated grades can save valuable time and maximize the efficiency of the laboratory filter system. Pleating improves the effective surface area increasing flow rate and loading capacity thus decreasing filtration time. Pleated circles are available in 12.5cm to 50cm diameters.
Filter paper base: 642
Retention in µm: 2
Filtration Speed Herzberg sec/100mls: 229
Filtration Speed Rapidity mls/min: 30
Loading Capacity: Medium