ASTM C 531 Standard Test Method for Linear Shrinkage and Coefficient of Thermal Expansion of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes
Lab ID: 645
This test offers a means to compare the relative linear shrinkage and coefficient of thermal expansion. It may be used for research purposes to provide information on linear changes taking place in the test materials. Other dimensional changes may occur that do not manifest themselves as changes in length.
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The percent shrinkage of the test specimen and the linear coefficient of thermal expansion per degree temperature change.
Time for Results
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C531 Linear Shrinkage/ Thermal Expansion
This test method is limited to materials with aggregate size of 0.25 in. (6 mm) or less.