Low-Ash Hardened Paper - 3910-2400 - Grade 391, 24cm 14cm x 16cm Suitable for heating up to

Suitable for heating up to temperatures less than 500° C

Grade 161 is used in general laboratory applications

This high performance grade is designed to retain extremely fine particles down to 0

and in the monitoring of air and water pollution

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

Low-Ash Hardened Paper - 3910-2400 - Grade 391, 24cm 14cm x 16cm Suitable for heating up toAhlstrom Munksj 391 2 3 m, Slow Speed This is a very fine retention filter for gravimetric analysis of very fine particles such as barium and lead sulfates, stannic and nickel sulfide, calcium oxalate and calcium fluoride.