InstroTek, Inc.

Leaders in Asphalt Testing Products, Nuclear Gauge Products and Services


Introducing the ALL-NEW MiST2 Moisture Induced Stress Tester! Updated for peak performance, the MiST2 boasts an Ultra-Quiet pressure system and a compact footprint that integrates into labs of any size. Welcome to the next generation in moisture sensitivity testing!



Welcome to the PRO LEVEL of Rapid Asphalt Drying! Building on the legacy of CoreDry® since 2004, CoreDryPRO™ sets a new industry standard, with cutting-edge electronics, a large color touchscreen, a versatile vacuum pump, and a sleek design. Get ready to experience the future of asphalt core drying with CoreDryPRO!


Upgrade Your Original NCAT Furnace...

With the advanced electronics of the InstroTek Ignition Panel! The Ignition replacement panel provides many new features such as power surge protection, serviceability, touchscreen, USB storage, Bluetooth, and so much more! The Ignition Panel works with both old and new NCAT furnaces.


The Latest on The Hot Mix Podcast

Check out our most watched episode this winter, "Tips, Tricks & Best Practices for ALL Nuclear Gauge Owners", where industry veteran Kerry Dubiel shares essential tips on nuclear gauge ownership and service. With a wealth of experience servicing over 20,000 gauges, Kerry provides insights on best practices, annual maintenance, and calibration. Whether you're a seasoned pro or new to the field, this episode is packed with practical advice to optimize your nuclear moisture/density gauge's performance and maximize ROI.

Lets Do This, Take me to the Hot Mix Podcast!

InstroTek Companies

On August 20th, 2008, InstroTek, Inc. completed the acquisition of CPN International, Inc. CPN, located in the San Francisco Bay Area has over 45 years of history and experience in the construction testing instrumentation.

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In February 2015, InstroTek completed the acquisition of HMA Lab Supply, Inc. in Richmond, Virginia. HMA Lab Supply specializes in equipment and supplies for the asphalt and aggregate testing industry and has been in operation for over 14 years.

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On May 16, 2018 InstroTek, Inc. completed the acquisition of Rainhart Company. Rainhart was established in 1945 by Charles Raines and Don Hart. Charles worked for Texas Department of Transportation and was a professor at the University of Texas. 

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