Construction Services: Hot Mix Asphalt Testing New technologies and standards make hot mix asphalt testing critical to construction success. Midwest Testing Laboratory, Inc. offers the testing design services you need to ensure quality. In the field and in the lab, you can count on our highly-experienced technicians and state-of-the-art equipment to give you accurate results. Laboratory Services • Bituminous mix design services    – SuperPave mix design    – Marshall mix design • Tests of bituminous mixture    – Marshall properties    – Bituminous extraction and mechanical analysis    – Tensile strength ratio (TSR)    – SuperPave volumetric properties • Tests of bituminous materials    – Saybolt Furol viscosity and sieve test of emulsified asphalt    – Kinematic viscosity of cut back asphalt • Aggregate testing    – Fractured faces, flakiness index    – Fine aggregate angularity    – Specific gravity and absorption    – Mechanical analysis and lightweight particles    – Plasticity index, clay content, sand equivalent    – Calibration/verification of balances and sieves • Consultation and troubleshooting Field Services • Production quality control/quality assurance testing • Pavement coring services for density and thickness • Consultation and troubleshooting In addition to asphalt testing services, Midwest Testing Laboratory, Inc. offers a wide range of field services and testing, including drilling, sampling, and monitoring well and device installation. Related services: • Construction Services: Concrete and Soil • Geotechnical: Analysis and Reporting and Field Services