Low-Ash Hardened Paper - 3920-4000 - Grade 392, 40cm 16cm x 16cm Quartz meets the highest purity

Quartz meets the highest purity requirements due to the lowest possible heavy metal content

Ahlstrom-Munksjö 55

This eliminates the need to acid-wash the filters in your lab

This grade has medium flow rate and good particle retention and is most commonly used for applications requiring high chemical resistance to strong acid and alkali

Low-Ash Hardened Paper - 3920-4000 - Grade 392, 40cm 16cm x 16cm Quartz meets the highest purityAhlstrom Munksj 392 5 8 m, Medium Speed This grade has a medium flow rate and good particle retention and can be used for a wide variety of applications that require a lower ash content than standard qualitative grades, including gravimetric analysis of components in heavy industry.