Glass Microfiber Filter Paper - 1410-1500 - Grade 141, 15cm 243 Grades 1765 and 1766 are

Grades 1765 and 1766 are most often used for pelleted

This grade has similar performance properties to Grade 151 and is made with acid-treated borosilicate glass microfibers with inherently low levels of barium and zinc

This grade uses the same acid-treated glass microfiber media as Grade 193

32 or 8x8 inches

Glass Microfiber Filter Paper - 1410-1500 - Grade 141, 15cm 243 Grades 1765 and 1766 areAhlstrom Munksj 141 3. 1 m, Fast Speed This grade offers better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention. Grade 141 is particularly recommended for pre filtration of membrane filters and is also used in combination with Grade 121 as a highly efficient protective and retentive grade density pre filter for membrane filters.