36060-15M PYREX 15mL Buchner Funnels with 20mm Diameter Medi
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Corning These 15mL PYREX® Buchner funnels have a 20mm diameter medium porosity fritted disc with a porosity range of 10 to 15µm which is held toward the minimum pore diameter . The porosity for the pore diameter of the filter is determined in the same manner as specified in ASTM E-128 “Maximum Pore Diameter and Permeability of Rigid Porous Filters for Laboratory Use.” The disc should not be subjected to pressure differential in excess of 1 atmosphere. The top edge is beaded. Please check our Technical Information Listing on fritted ware, see Guide to Selecting and Using Fritted Glassware. - COG