Qualitative Filter Paper - 2370-0900 - Grade 237, 9cm 9cm Also available in thimble form

Also available in thimble form for air sampling

This glass microfiber grade is a smooth surface

Grade 240 is recommended for TAPPI T-205 and T-491 test methods

Suitable for heating up to temperatures less than 500° C

coal and coke

Qualitative Filter Paper - 2370-0900 - Grade 237, 9cm 9cm Also available in thimble formAhlstrom Munksj 237 3 m, Medium Speed 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 and loading capacity, enabling more precipitate to be held without clogging the filter. Grade 237 is also highly suitable for use in Buchner funnels and for dye filtration.