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The Path of Susterra and Zemea

CovationBio™ PDO brands Susterra®  propanediol and Zemea®  propanediol offer distinct performance advantages over petroleum-based alternatives.

Contact Us

For inquiries, product information or to request a sample.

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Regeneratively Sourced

At Primient Covation LLC, our mission is to revolutionize the chemical industry by providing sustainable alternatives. We strive to reduce the reliance on petroleum by creating plant-based products from field corn.

Harvest

Dent corn is harvested, dried, and then wet-milled to create a carbohydrate-rich bio-based feedstock called dextrose.

Fermentation & Refining

We are dedicated to creating sustainable solutions through innovative chemistry. Our mission is to reduce reliance on petroleum by providing eco-friendly alternatives for various industries.

Application

1,3 propanediol under the brand names Susterra®  propanediol and Zemea®  propanediol is used as a building block or ingredient for innovative bio-based products globally.

Our Brands

100% bio-based Susterra®
 propanediol
brings sustainability and performance
to footwear, outdoor app
Learn more
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Primient Covation LLC

198 Blair Bend Drive • Loudon, TN 37774

+1-866-404-7933

Copyright © 2025 Primient Covation LLC • Zemea® and Susterra® are registered trademarks of Primient Covation LLC. - All Rights Reserved. 

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