What is it about?
The paper discusses the possibility of using the waste perlite powder, the very fine by-product of manufacturing and use of expanded perlite, as the component of polyester concrete (PC), in terms of the durability of concrete under chemical attack. The compositions of tested composites were designed on the basis of statistical design. The specimens were exposed to the solution of potassium hydroxide of concentration of 5% for 60 days and the measure of the resistance to potassium base were changes in mass and changes in flexural and compressive strength. Additionally the visual inspection of the specimens outer surface and fracture surface after the flexural strength test were conducted.
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Why is it important?
The paper discusses the possibility of using /disposing the very fine by-product of manufacturing and use of expanded perlite as the component of polymer concrete. This tape of waste is very difficult to store as it characterizes with very low bulk density and enormous amounts of this waste were stored.
Perspectives
The management of this type of waste is really difficult. That is why the solution developed by us was a response to the industry needs and implemented as part of the research grant. It seems to me that this is a really good way of dealing with this fine waste of expanded perlite.
Doctor Joanna Julia Sokołowska
Politechnika Warszawska
Read the Original
This page is a summary of: Effect of Perlite Waste Powder on Chemical Resistance of Polymer Concrete Composites, Advanced Materials Research, November 2015, Trans Tech Publications,
DOI: 10.4028/www.scientific.net/amr.1129.516.
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