About SPEX SamplePrep, LLC
- SPEX SamplePrep, has provided superior sample preparation equipment since 1954. We manufacture mills and grinders that are used in laboratories throughout the world. Our Freezer/Mill® is a powerful cryogenic mill that grinds plastic and polymer samples to an analytical powder in minutes. To learn more about the Freezer/Mill, please visit www.spexsampleprep.com/freezermill.