What is vermiculite?
Written by Rarefied Air | July 10, 2018
What Is Vermiculite? Vermiculite is a naturally occurring mineral composed of shiny flakes that resemble mica. When exposed to high temperatures, vermiculite flakes can expand up to 30 times their original size. Expanded vermiculite is lightweight, odorless, and fire-resistant, making it a versatile material used in various products, such as: Potting soil Concrete Brakes Pesticides
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