About Imerys Perlite USA, Inc.
Experts in the mining and processing of perlite for over fifty years, Imerys Perlite USA, formally Harborlite Corporation, sources and prepares this versatile mineral for use in construction, filtration and horticulture applications. Imerys is recognized worldwide as the leader and innovator in the technology and logistics of mining, refining, shipping and storing of perlite. Imerys draws top grade perlite ore from proprietary mines in the Western US, Turkey, Peru, and Argentina. Imerys, a global miner and refiner of perlite and diatomaceous earth, operates in the US, Europe and Asia, engineering perlite and diatomaceous earth products, including high purity and pharmaceutical grades.