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Have there been any laboratory investigations to support claims of resistance to environmental acidity and freeze/thaw?

April 26, 2017acidity Environmental freeze investigations laboratory resistance support thaw

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Have there been any laboratory investigations to support claims of resistance to environmental acidity and freeze/thaw?

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Sandstone has excellent freeze/thaw characteristics; recent studies on 1 cubes have shown no failures at 100 cycles. (Indiana limestone typically fails at 60 cycles in this test.) It does not exhibit any reactivity when tested with 0.1 M sulfuric acid. Many commercial sandstones being sold today do react with acid, some vigorously.