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Concrete Glossary

False Set

False set, like flash set, is a premature stiffening shortly after mixing — but unlike flash set, workability can usually be restored by continued or renewed mixing without adding water, since it's caused by a temporary chemical or physical phenomenon rather than an incompatible reaction.

Compiled by the Reborn Rental team, backed by our field engineers and dispatch staff working Denver-metro concrete washout and equipment rental jobs.

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