Low-Ash Hardened Paper - 3880-1850 - Grade 388, 18.50cm 10.50cm 23 cm or 24

23 cm or 24

Ahlstrom-Munksjö grade 161

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

Grade 131 is suited for cell harvesting

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

Low-Ash Hardened Paper - 3880-1850 - Grade 388, 18.50cm 10.50cm 23 cm or 24Ahlstrom Munksj 388 12 15 m, Fast Speed This fast filtering grade is recommended for the filtration of coarse and gelatinous precipitates for gravimetric analysis.