Abstract
EXPANDED perlite, which is made by rapidly heating small particles of suitable volcanic glass, has recently been used extensively as a lightweight aggregate for gypsum plaster and concrete in the United States, and to a lesser extent in Australia and Europe. The phenomena described below are therefore of some concern to the building industry in those countries.
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Blakey, F. A., Constr. Rev., 27 (7), 23 (1954).
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HILL, R. Secondary Expansion of Perlite Concrete and Plaster. Nature 176, 29 (1955). https://doi.org/10.1038/176029a0
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DOI: https://doi.org/10.1038/176029a0
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