Paper & Packaging

A Global Leader in Paper PCC

MTI is the worldwide leader in Paper PCC, which is used as the filler of choice for papermakers worldwide to replace more expensive pulp. MTI continues to introduce new technologies to make greater use of Paper PCC, both in terms of higher percentage of Paper PCC used as a filler, and new applications for Paper PCC in packaging and coatings.

Our Brands

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Specialty Minerals

Specialty Minerals Inc. (SMI) is the world's leading producer of precipitated calcium carbonate (PCC) for the global paper and packaging industry.

barrets
Barretts Minerals (BMI)

Specialty Minerals Inc. (SMI) produces ground talc products in Barretts, Montana, using ore from its two nearby mines.