Perlite expansion and testing at the New Mexico Bureau of Mines and Mineral Resources, Socorro, NM
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Barker, J. M. ; Bowie, M. R. ; Hingtgen, J. S. (1988). Perlite expansion and testing at the New Mexico Bureau of Mines and Mineral Resources, Socorro, NM.
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Barker, J. M. ; Bowie, M. R. ; Hingtgen, J. S. (1988). Perlite expansion and testing at the New Mexico Bureau of Mines and Mineral Resources, Socorro, NM.
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Organization: Society for Mining, Metallurgy & Exploration
Pages: 6
Publication Date:
Jan 1, 1988
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Abstract
Abstract
| Techniques of testing perlite require a combination of art and science. The modifications made to the perlite Corp. vertical laboratory furnace include addition of instrumentation, flowmeters, vibrators, automatic feeders, and regulators. The basic testing sequence consists of expanded density, furnace yield, compacted density, percent sinkers, and compaction resistance. These tests are modified versions of those specified by the Perlite Institute. This sequence is designed as a preliminary evaluation of a material's suitability for horticultural-aggregate end uses rather than a detailed measure of filtration capability. |
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