Generic Materials Search: perlite
2 items found.
View the OMRI Generic Materials List Glossary in PDF format here.
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Crop Fertilizers and Soil AmendmentsNonsynthetic
See MINED MINERALS – UNPROCESSED.
205.203(d)(2) A mined substance of low solubility.
Allowed with Restrictions
Processing Non-agricultural Ingredients and Processing AidsNonsynthetic Nonagricultural
For use only as a filter aid in food processing.