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Vermiculite

Whittemore’s expanded vermiculite serves as a critical component in fire safety, absorbency, and thermal insulation, providing our partners with versatile, lightweight solutions backed by decades of technical expertise.

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Why Choose Whittemore Vermiculite?

Whether you are formulating a professional growing mix, insulating a high-heat industrial furnace, or packaging hazardous materials, you need a mineral that is consistent, sterile, and safe. At Whittemore Manufacturing, we don't just process ore; we engineer a high-performance material that meets the rigorous demands of your industry.

Benefits of Vermiculite

Highly Absorbent 

Insulating

Lightweight

Compressible

Sustainable

Safe and All Natural

Dimensionally Stable

Non combustable

Our Process: Engineering Performance through Heat

Vermiculite is a naturally occurring mineral, similar to mica, that requires precise thermal processing to reach its full industrial potential. At Whittemore, we transform raw ore into a high-performance material through a rigorous, additive-free manufacturing process.

  • Precision Exfoliation: We heat screened vermiculite ore in specialized furnaces up to 1400°F. This extreme temperature causes the mineral to expand, creating a lightweight, accordion-like structure that is naturally fire-resistant and highly absorbent.

  • Strategic Global Sourcing: Since 1993, we have cultivated long-standing partnerships with elite mines in the U.S., Brazil, and Africa. Being selective about our source material ensures the consistency and quality of our final product.

  • Uncompromising Safety Protocols: Purity is our priority. Every supplier we partner with must adhere to rigorous ongoing testing protocols to ensure no asbestos is detected. We strictly follow the "Best Practices" established by The Vermiculite Association to provide our customers with complete peace of mind.

Grades and Sizes

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CORSE

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MEDIUM

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FINE

Vermiculite Applications

Construction

Industrial

Environmental

Pool Installs

Contact

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Vermiculite Resources

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Leon St Germain

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