The Applied Technical Services Family of Companies (ATS FoC) offers ASTM C566 testing to measure total evaporable moisture in fine and coarse aggregates. This drying procedure determines removable moisture under specified conditions, enabling concrete producers and engineers to assess aggregate moisture and adjust concrete production and mix proportions as needed.
Can ASTM C566 Testing Help Verify Aggregate Moisture Conditions?
ASTM C566 testing provides quantitative data on total evaporable moisture in aggregate samples. Technicians measure the sample’s mass before and after drying to calculate moisture content. This test identifies changes in aggregate moisture due to weather, storage, drainage, handling, or other factors. Regular testing helps concrete producers monitor conditions and make necessary adjustments. Results should be interpreted based on aggregate characteristics and specific production requirements.
About Our ASTM C566 Testing Services
The ATS FoC’s concrete testing lab conducts ASTM C566 testing with an emphasis on accuracy, controlled procedures, and clear reporting. Our technicians prepare representative samples, record initial and final mass, and calculate total evaporable moisture content. We use calibrated equipment, follow documented procedures, and maintain quality control throughout testing. Clients seeking accredited services should review our current accreditation and scope to confirm coverage of ASTM C566 and any additional required methods. We can also coordinate moisture testing with other aggregate and concrete evaluations for comprehensive material characterization.
Why Is Aggregate Moisture Content Important for Concrete Mix Design?
Concrete mixtures require precise proportions of cementitious materials, aggregates, water, and other components. Aggregate moisture directly affects the mix’s water content, so accurate moisture data is essential during batching. Wet aggregates add water, while dry aggregates absorb it. Without proper adjustments, changing moisture levels can impact workability, water-cement ratio, strength, consistency, and durability. ASTM C566 results help producers adjust batch proportions and maintain consistency. Using current moisture data in quality control supports reliable concrete production and helps meet project requirements.
Contact Our Concrete Testing Lab
Submit an online inquiry or call +1 (888) 287-5227 to discuss ASTM C566 testing and your project’s aggregate moisture requirements with our experts.

