QUALITATIVE FILTER PAPER GRADE 237 185mm dia

Non Wet-Strengthened Grade. This high absorbency grade is twice as thick as grade 642 with similar particle retention. The superior absorbency offers excellent performance when used as a sample carrier. The extra thickness gives higher wet strength & loading capacity, enabling more precipitate to be held without clogging the filter.Retention in um: 3. Whatman cross reference: 3 CHR
UOM: 100 per pack
Lead Time: 1 week