This tool uses perforated cenospheres to load and then release, or seal the admixtures within the concrete as needed.
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Description Versatile, low-cost tool called “hard encapsulation” to store or control the release of admixtures in concrete to minimize or avoid their undesired effects on the hydration of cement. This tool uses perforated cenospheres to load and then release, or seal the admixtures within the concrete as needed. Technology Versatile , low cost tool called hard encapsulation to store and control the release of admixtuere inconcrete. Sources http://ott.ua.edu/portfolio-item/uaipd15-0016-storage-and-release-control-of-admixtures-in-concrete-through-hard-encapsulation/