Ahlstrom Grade 542 Qualitative Filter Paper, Pre-Pleated

Ahlstrom Grade 542 Medium Rate Pre-Pleated Filter Paper. 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. Grade 542 has a medium rate filtering speed with particle retention of 2µm.