A filter media made from diatoms, which are fossils that collect at the bottom of sea beds in prehistoric seas. Also known as “kieselguhr,” the material is characterized by pores and cavities capable of capturing and retaining contaminants.
References for this information:
https://www.inda.org/about-nonwovens/nonwovens-glossary-of-terms/
https://www.edana.org/glossary
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