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Staining by pyrites and lignite on concrete surfaces

Product code: CAS52
Brand: Concrete Society
Occasionally concrete surfaces are marred by staining from impurities, such as lignite or pyrites, introduced into the concrete from the aggregates. These are naturally occurring in small amounts within most primary sands and gravels. This document provides guidance on the specification and where responsibilities might lie.

Published: 2015
Format: PDF
Pages: 4

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