[LETTERHEAD OF UNIMIN CORPORATION]
April 24, 2018
VIA EDGAR
United States Securities and Exchange Commission
Division of Corporation Finance
100 F. Street, N.E.
Washington, D.C. 20549
Attention: | John Reynolds, Ruairi Regan and Brigitte Lippmann, |
| Office of Beverages, Apparel and Mining |
| | Registration Statement on FormS-4 |
Dear Mr. Reynolds, Mr. Regan and Ms. Lippmann:
Pursuant to Rule 461 promulgated under the Securities Act of 1933, as amended, Unimin Corporation (theRegistrant) hereby requests acceleration of the effectiveness of its Registration Statement on FormS-4 (FileNo. 333-224228), as amended (theRegistration Statement), so that it will become effective on Thursday, April 26, 2018, at 12:00 p.m., Eastern Time, or as soon thereafter as is practicable.
The Registrant requests that it be notified of the effectiveness of the Registration Statement by telephone call to Michael A. Levitt of Freshfields Bruckhaus Deringer US LLP, counsel to the Registrant, at (212)277-4004.
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